online since 1994 https://heikkisiltala.net/wiki/ 2026-05-08T04:11:35+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2026-04-10T06:13:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/start?rev=1775801598&do=diff Derelict construction site 2022 Derelict construction site at Itäkeskus Helsinki. 8.11.2022, Sony Xperia 5 II · 23 photos · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 1] [Derelict construction site 2022 · photo 2] [Derelict construction site 2022 · photo 3] [Derelict construction site 2022 · photo 4] [Derelict construction site 2022 · photo 5] [Derelict construction site 2022 · photo 6] [Derelict construction site 2022 · photo 7] [Derelict construction site 2022 · photo 8]… text/html 2023-10-11T17:13:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_nas_power_consumption?rev=1697044405&do=diff The small NAS server: about power consumption The measurements were made and the writing started 2023-09-23. Writing completed 2023-10-11. Why measure the power consumption As power consumption of ICT equipment and power consumption in general have became popular subjects I decided to measure the power consumption of text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/dedicated_or_virtual_server?rev=1677105451&do=diff A dedicated server or a virtual server These are my notes on choosing between Hetzner's Dedicated Server EQ 4 and Virtual Private Server VQ 19. This was written in 2011 so this may not reflect the current similarities and differences between the two server types. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/nytech_nd_4020?rev=1677105451&do=diff Nytech ND-4020 This review and in-depth description was created 2004 - 2007. The latest update was done in July 2015. See for more details. See some photos shot with Nytech ND-4020! Nytech ND-4020 was my first digital camera. I purchased it June 2004 and used it very actively for three months. During that time I shot about 5 000 photos with it. The enthusiasm of photography spread like a fire and so the camera got replaced with text/html 2023-02-24T21:59:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/inside_sotkanet?rev=1677275965&do=diff Inside SOTKAnet This article was written in 2005. SOTKAnet indicator bank is a public accessible web information service that publishes detailed information on well-being and health in Finland. SOTKAnet was launched by STAKES, the National Research and Development Centre for Welfare and Health, on Monday 14th March 2005 at text/html 2023-02-22T20:42:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/c_ohjelmointi?rev=1677098558&do=diff C-ohjelmoinnin harjoitustyö C-ohjelmoinnin harjoitustyö syksyltä 1994. Tämä ohjelma ilmeisesti ... tekee jotakin :-D /* C-Ohjelmointi, syksy 1994 Heikki Siltala Harjoitustyo, tehtava 5 Ohjelman kaytto: NIMI tiedosto1 tiedosto2 sivunpituus Kaikki parametrit on aina annettava !!! Tiedosto1 on tiedosto, jossa olevien sanojen mukaan lista laaditaan. Tiedosto2 on tiedosto, josta katsotaan sanojen esiintymispaikat. Sivunpituus ilmoittaa, montako rivia on sivussa. Jos tama parametri on <=0 kayt… text/html 2023-09-22T21:31:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/one_disk_nas?rev=1695418296&do=diff Creating a small NAS server based on OpenMediaVault The initial version written 2020-07-15. Latest update 2020-08-01. See a separate page for long-term impressions. My goal was to create a small and simple network attached storage (NAS) server to serve as a file sharing server between devices connected to home network. The performance requirements for this system were low. I wanted to file storage to be encrypted. text/html 2023-02-26T17:32:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/system_description?rev=1677432730&do=diff About the design and implementation of Catz Written in 2011 so may contain outdated information. The key attributes * The service is stateless: the HTTP GET request's URL identifies the resource requested. There are no cookies nor sessions. * The public access is dynamic but read only. All data is loaded offline by a loader sumsystem. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/postgresql_vs_sqlite?rev=1676936233&do=diff PostgreSQL vs SQLite Written in 2011. If you need a very fast relational database for a limited amount of data (up to some gigabytes) and don't need scalability on concurrent writes then SQLite is for you. It is a cleverly designed ultra-lightweight ACID compliant relational database that requires no administration. text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/c?rev=1775946321&do=diff Music: C A part of my music collection listing. Listing updated 2026-04-10. Music: B<<<<<< Music: D>>>>>> Artist Album Format Date Origin Cage Astrology CD 6/2003 Veljekset Keskinen Tuuri Cage Unveiled CD 6/2003 Veljekset Keskinen Tuuri Candlemass The Best of Candlemass - As it is, as it was text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/ricoh_gr?rev=1677105451&do=diff Ricoh GR Review initially created June 2013, latest update September 2014. My rating: recommended for those who require the best possible image quality in a pocketable size and can live with a fixed 28 mm lens Pros * The best camera is the one that's with you and this camera has the potential to be it. text/html 2026-04-11T22:24:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/place?rev=1775946247&do=diff Places The Globe Statue in Mahlu 48 photos Derelict construction site 2022 23 photos Keuruu cemetery chapel in summer 2022 48 photos Roihuvuori primary school 2014 68 photos Jämsänkoski in summer 2013 66 photos Tallinn snapshots 2013 38 photos Tallinn Linnahall in 11 photos 2010 11 photos The old farm 34 photos Old industrial structures 68 photos Keimola Motor Stadium 41 photos Alakiventie scandal houses 71 photos Total 516 photos Some sample photos below. Vaihda kieli suomeksi. [Ta… text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/biolife/lahdekoodi?rev=1676936233&do=diff Biolife-elämäsimulaattorin lähdekoodi Lue lisää Biolife-elämäsimulaattorista. {Biolife -ohjelman lähdekielinen koodi (Turbo Pascal 5.5).} {Ohjelmoinut Heikki Siltala 1994 The Game of Life -pelin pohjalta.} program BIOLIFE; uses crt; {Ohjelma käyttää Crt -modulia kuvaruudun ohjaukseen.} type param=array [1..10] of byte; field=array [2..56,4..21] of byte; {Määrittelee pelikenttätaulukon mallin.} suku=integer; const ukko='@'; {Pelinappulan merkki määritetään tässä.} x… text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/cognos_bi?rev=1677105451&do=diff The automatic IBM Cognos BI Motto: Run your Business Intelligence, don't let your Business Intelligence run you! Written in 2013. I've been working with IBM Cognos BI (Business Intelligence) system for some years. Our application area for the BI system differs from typical application areas: we use it to provide public internet reporting and OLAP analysis tools. These are based on data extracted from our registers and other statistical data sources. text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/n?rev=1775946321&do=diff Music: N A part of my music collection listing. Listing updated 2026-04-10. Music: M<<<<<< Music: O>>>>>> Artist Album Format Date Origin Naria The Great Fall CD 19.4.2003 Veljekset Keskinen Tuuri Narnia Awakening CD Little Rose webstore Narnia Desert Land CD 18.6.2001 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_70_200mm_l_is_usm?rev=1677105451&do=diff Canon EF 70-200mm f/2.8 L IS USM Review of Canon EF 70-200mm f/2.8 L IS USM zoom lens. Review created 2008, latest update 2013. catza.net photos: Canon EF 70-200mm f/2.8 L IS USM Facts * a lens that many dream about * estimated retail price 2000 EUR * in my use from 6/2008 to 11/2008 * I still have mixed feelings about this lens: you don't really know how it fits to your style of shooting until you try it text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/sigma_30mm_ex_dc_hsm?rev=1677105451&do=diff Sigma 30mm f/1.4 EX DC HSM Review of Sigma 30mm f/1.4 EX DC HSM lens. Review created 2007, latest update 2013. catza.net photos: Sigma 30mm f/1.4 EX DC HSM Facts * a good example of a high quality third party prime lens * estimated retail price 370 EUR * in my use from 4/2007 to 11/2009 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/sigma_50mm_ex_dg_hsm?rev=1677105451&do=diff Sigma 50mm f/1.4 EX DG HSM Review of Sigma 50mm f/1.4 EX DG HSM standard lens. Review created 2008, latest update 2013. catza.net photos: Sigma 50mm f/1.4 EX DG HSM Facts * everything else in this lens is perfect but the front focusing tendency * estimated retail price 420 EUR * in my use from 11/2008 to current date text/html 2023-02-23T23:35:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/tamron_sp_af_28_75mm_xr_di_ld?rev=1677195350&do=diff Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical Macro Review of Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical Macro zoom lens. Review created 2007, latest update 2013. catza.net photos: Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical Macro Facts * rather typical zoom lens for hobbyists * estimated retail price 415 EUR text/html 2023-09-22T21:33:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_nas_impressions?rev=1695418415&do=diff The small NAS server: long-term impressions 2023-09-23: Writing in progress... Impressions after six months Impressions after six months written in 2021-02-21. The system has been running for about six months now and I'm still very happy of this setup. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/tbone_iem_100?rev=1676936233&do=diff the t.bone IEM 100 In-Ear System Written in 2013, latest update 2017-10-20. As of 2017 I would choose bluetooth headphones over this system. You can now get good bluetooth headphones on very low prices. I had cheap wireless headphones and used them at home for years. They were from Lidl supermarket and compared to the low price they worked fine. The issue started to be that after about ten years of use the foam ear muffs were almost flat and wearing the headphones started to be uncomfortable. … text/html 2023-02-24T21:58:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_blofeld?rev=1677275918&do=diff Waldorf Blofeld Desktop Written in 2014, latest update 2015. Waldorf Blofeld is currently one of my primary synthesizers in my home studio. I've the SL sample option installed. I've been using the synth over a year now and here are my findings so far. Pros * Blofeld is an affordable quality synthesizer. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_rocket?rev=1677105451&do=diff Waldorf Rocket Written in 2013, latest update 2014. Waldorf Rocket is a modern analog-sounding hardware monosynth created and made by a German company Waldorf. Pros * Strong sound for leads and basses. This thing has a virtual analog oscillator and a true analog filter. The combination sounds very analog. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_streichfett?rev=1677105451&do=diff Waldorf Streichfett Written in 2015. Waldorf had already showed great innovations by releasing Blofeld and Rocket. Then they released even more non-traditional synthesizer called Streichfett. I am a big fan of string sounds. I found that with my Blofeld I was playing string sounds perhaps half of the time. So after my positive feelings on text/html 2023-02-23T23:41:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/peanon_relaatiot_peanon_algebra?rev=1677195682&do=diff Peanon relaatiot ja Peanon algebra Opintoihini liittyvä Paikkatietojärjestelmät-seminaarin työ vuodelta 1997. Työn kuvat eivät ole säilyneet. * Helsinki 21.2.1997 * Paikkatietojärjestelmät-seminaari * HELSINGIN YLIOPISTO * Tietojenkäsittelytieteen laitos text/html 2023-02-26T05:17:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/viitenumerolaskenta?rev=1677388652&do=diff Viitenumerolaskenta Pascal-kielinen ohjelma vuodelta 1995, joka laskee viitenumeron viimeisen tarkistenumeron. program VIITENUMEROLASKENTA(input,output); uses crt; const l1='H'; l2='E'; l3='I'; l4='K'; l5='S'; l6='L'; l7='T'; l8='A'; var viite:array[1..20] of integer; c:char; vl:integer; rullaa:boolean; turha,tx,ty:integer; saako:boolean; procedure NOLLAA; var l:integer; begin for l:=1 to 20 do viite[l]:=-1; end; … text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/bulk_interface?rev=1676936233&do=diff Catz bulk intefrace 2021-04-25: This interface had its practical use until summer 2014. It is still available but considered deprecated. Listing the photos of an album The request is sent as HTTP GET and a plain text document is retured. The first line returned is an informational header. The following lines contain the data using the pipe character as a column separator. The fields retuned are text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/i?rev=1775946321&do=diff Music: I A part of my music collection listing. Listing updated 2026-04-10. Music: H<<<<<< Music: J>>>>>> Artist Album Format Date Origin Ian Gillan Is Heavy Rock MCR Ian Gillan The Best of Gillan CD Anttila Helsinki Ice Age Liberation CD 14.1.2025 Levykauppa Äx text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/nevermore?rev=1775946321&do=diff Nevermore A part of my music collection listing. Listing updated 2026-04-10. An artist page is available for artists having at least 5 items in the collection. Artist Album Format Date Origin Nevermore Dead Heart in a Dead World CD 10.3.2018 Levykauppa Äx Nevermore text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/v?rev=1775946321&do=diff Music: V A part of my music collection listing. Listing updated 2026-04-10. Music: U<<<<<< Music: W>>>>>> Artist Album Format Date Origin V.I.P. Plugged CD 2002 V.I.P. Very Important Person CD 2002 Valensia Gaia CD 15.10.2000 second hand store VR makasiinit Helsinki text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/virgin_steele?rev=1775946321&do=diff Virgin Steele A part of my music collection listing. Listing updated 2026-04-10. An artist page is available for artists having at least 5 items in the collection. Artist Album Format Date Origin Virgin Steele Age of Consent CD Virgin Steele Hymns To Victory text/html 2023-02-23T23:24:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_bodies/the_future_of_dslr_bodies?rev=1677194660&do=diff The future of DSLR bodies This article was written in 2008. In my opinnion the DSLR bodies have been designed very conservatively. There is really not much new and innovative in them. The marketing hype just exaggerates all the minimal improvements. What are the features I would like to see on future DSLR bodies? text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_28mm?rev=1677105451&do=diff Canon EF 28mm f/2.8 Review of Canon EF 28mm f/2.8 lens. Review created 2006, latest update 2013. catza.net photos: Canon EF 28mm f/2.8 Facts * was introduced back in 1987 so is a real classic in the Canon EF lens lineup * estimated retail price 240 EUR * in my use from 2/2006 to 5/2007 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_50mm_ii?rev=1677105451&do=diff Canon EF 50mm f/1.8 II Review of Canon EF 50mm f/1.8 II standard lens. Review created 2004, latest update 2013. catza.net photos: Canon EF 50mm f/1.8 II Facts * a hobbyist's dream-come-true: the perfect second lens right after the perfect first lens * estimated retail price 105 EUR * in my use from 9/2004 to 7/2006 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_50mm_usm?rev=1677105451&do=diff Canon EF 50mm f/1.4 USM Review of Canon EF 50mm f/1.4 USM standard lens. Review created 2007, latest update 2013. catza.net photos: Canon EF 50mm f/1.4 USM Facts * a great lens for those that need something better than Canon EF 50mm f/1.8 II * estimated retail price 380 EUR * in my use from 7/2006 to 11/2008 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_85mm_usm?rev=1677105451&do=diff Canon EF 85mm f/1.8 USM Review of Canon EF 85mm f/1.8 USM medium telephoto lens. Review created 2007, latest update 2013. catza.net photos: Canon EF 85mm f/1.8 USM Facts * a great lens for those that need something longer than the sister lens Canon EF 50mm f/1.4 USM * estimated retail price 420 EUR * in my use from 1/2007 to 12/2010 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_100mm_l_macro_is_usm?rev=1677105451&do=diff Canon EF 100mm f/2.8 L Macro IS USM Review of Canon EF 100mm f/2.8 L Macro IS USM telephoto macro lens. Review created 2013. catza.net photos: Canon EF 100mm f/2.8 L Macro IS USM Facts * brilliant all round lens * estimated retail price 930 EUR * in my use from 11/2011 to current date * currently the most used and the most useful lens in my bag text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_135mm_l_usm?rev=1677105451&do=diff Canon EF 135mm f/2.0 L USM Review of Canon EF 135mm f/2.0 L USM telephoto lens. Review created 2008, latest update 2013. catza.net photos: Canon EF 135mm f/2.0 L USM Facts * the king of Canon telephoto prime lenses * estimated retail price 1100 EUR * in my use from 11/2008 to current date text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_200mm_l_ii_usm?rev=1677105451&do=diff Canon EF 200mm f/2.8 L II USM Review of Canon EF 200mm f/2.8 L II USM telephoto lens. Review created 2013. catza.net photos: Canon EF 200mm f/2.8 L II USM Facts * excellent telephoto lens * estimated retail price 840 EUR * in my use from 2/2010 to current date * comes handy when I feel like a paparazzi: takes close-ups from a distance text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_s_18_55mm?rev=1677105451&do=diff Canon EF-S 18-55mm f/3.5-5.6 Review of Canon EF-S 18-55mm f/3.5-5.6 zoom lens. Review created 2004, latest update 2013. Facts * very cheap but usable starter's lens * typically comes bundled with a camera body (also known as “the kit lens” text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/jupiter_37am_135mm?rev=1677105451&do=diff Jupiter-37AM 135mm f/3.5 Review of Jupiter-37AM 135mm f/3.5 telephoto lens. Review created 2008, latest update 2013. Facts * an all-manual telephoto lens * estimated retail price 150 USD * in my use from 3/2008 to 12/2008 * was made obsolete by text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/lensbaby_composer?rev=1677105451&do=diff Lensbaby Composer Review of Lensbaby Composer special lens. Review created 2010, latest update 2013. * catza.net photos: Lensbaby Composer & Double Glass Optic * catza.net photos: Lensbaby Composer & Single Glass Optic * catza.net photos: Lensbaby Composer & Soft Focus Optic Facts * the strangest lens: strange to use and you get strange results * text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/mc_jupiter_9_85mm?rev=1677105451&do=diff MC Jupiter-9 85mm f/2.0 Review of MC Jupiter-9 85mm f/2.0 medium telephoto lens. Review created 2006, latest update 2013. catza.net photos: MC Jupiter-9 85mm f/2.0 Facts * an all-manual medium telephoto lens * estimated retail price 220 USD * in my use from 2/2006 to 11/2008 * text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/mc_rubinar_500mm_reflex?rev=1677105451&do=diff MC Rubinar 500mm f/8 Reflex Review of MC Rubinar 500mm f/8 Reflex lens. Review created 2006, latest update 2013. Facts * an all-manual mirror lens (also known as reflex lens, catadioptric lens, CAT) * in addition to this there appears to be 500 mm f/5.6 and 1000 mm f/10 CATs available text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/peleng_8mm_fisheye?rev=1677105451&do=diff Peleng 8mm f/3.5 Fisheye Review of Peleng 8mm f/3.5 fisheye lens. Review created 2006, latest update 2013. catza.net photos: Peleng 8mm f/3.5 fisheye Facts * a classic manual fisheye lens dating back to the good old days * estimated retail price 350 USD * in my use from 6/2005 to 10/2008 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/samyang_8mm_aspherical_if_mc_fisheye?rev=1677105451&do=diff Samyang 8mm f/3.5 Aspherical IF MC Fisheye Review of Samyang 8mm f/3.5 Aspherical IF MC Fisheye lens. Review created 2013. Facts * a modern manual fisheye lens * in my use from 12/2011 to current date * estimated retail price 290 EUR * this is the right fisheye lens for many: better than text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/sigma_10mm_ex_dc_hsm_fisheye?rev=1677105451&do=diff Sigma 10mm f/2.8 EX DC HSM Fisheye Review of Sigma 10mm f/2.8 EX DC HSM Fisheye lens. Review created 2008,latest update 2013. catza.net photos: Sigma 10mm f/2.8 EX DC HSM Fisheye Facts * a modern autofocusing diagonal fisheye lens * estimated retail price 570 EUR * in my use from 4/2008 to 11/2009 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/sigma_28mm_ex_dg?rev=1677105451&do=diff Sigma 28mm f/1.8 EX DG Review of Sigma 28mm f/1.8 EX DG wide-angle lens. Review created 2010, latest update 2013. catza.net photos: Sigma 28mm f/1.8 EX DG Facts * a high image quality wide-angle lens, much better than Canon EF 28mm f/2.8 * estimated retail price 440 EUR * in my use from 1/2010 to current date text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/sigma_70_300mm_apo_macro_super_ii?rev=1677105451&do=diff Sigma 70-300mm f/4.0-5.6 APO Macro Super II Review of Sigma 70-300mm f/4-5.6 APO Macro Super II telephoto zoom lens. Review created 2006, latest update 2013. catza.net photos: Sigma 70-300mm f/4-5.6 APO Macro Super II Facts * cheap but decent quality tele zoom for amateurs * estimated retail price 250 EUR text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/sigma_85mm_ex_dg_hsm?rev=1677105451&do=diff Sigma 85mm f/1.4 EX DG HSM Review of Sigma 85mm f/1.4 EX DG HSM medium telephoto lens. Review created 2013. catza.net photos: Sigma 85mm f/1.4 EX DG HSM Facts * a brilliant third-party lens * in my use from 12/2010 to current date * estimated retail price 820 EUR * a very usable lens for low light indoor photography like text/html 2020-05-09T13:13:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/start?rev=1589030035&do=diff Camera lenses All camera lens reviews are based on first-hand experiences in real-life photography. I am an amateur photographer and I have purchased all the reviewed lenses as a consumer. No pages in this namespace. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/tamron_2x_mc7_c_af1_bbar?rev=1676936233&do=diff Tamron 2X MC7 C-AF1 BBAR teleconverter Review of Tamron 2X MC7 C-AF1 BBAR teleconverter. Review created 2005, latest update 2013. catza.net photos: Tamron 2X MC7 C-AF1 BBAR Facts * a typical seven-element 2x EF teleconverter * estimated retail price 200 EUR * in my use for several years text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/tamron_sp_70_300mm_di_vc_usd?rev=1677105451&do=diff Tamron SP 70-300mm f/4.0-5.6 Di VC USD Review of Tamron SP 70-300mm f/4.0-5.6 Di VC USD telephoto zoom lens. Review created 2014. Sport photos shot with Tamron Facts * very usable telephoto zoom lens for outdoor use when there is plenty of light * in my use from 6/2014 to current date text/html 2023-02-22T06:32:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/tokina_17mm_at_x_pro?rev=1677047525&do=diff Tokina 17mm f/3.5 AT-X Pro Review of Tokina 17mm f/3.5 AT-X Pro ultra-wide-angle lens. Review created 2006, latest update 2013. catza.net photos: Tokina 17mm f/3.5 AT-X Pro Facts * an underrated gem: almost a perfect 17 mm lens * estimated retail price 270 EUR (currently a discontinued product) text/html 2023-02-22T06:32:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_stuff/cameras_lenses_and_else?rev=1677047561&do=diff Camera and lenses are not all you need Written in 2005, latest update 2010. If you are into serious photography, the first things you need are a camera body and one or more lenses. But in addition to these there are many things that are needed or come handy. Here are non-conclusive lists of things that I use or have used. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_stuff/lowepro_nature_trekker_aw_ii?rev=1677105451&do=diff Lowepro Nature Trekker AW II Written in 2009. Lowepro Nature Trekker AW II is my current primary camera bagpack. I mostly use Lowepro Stealth Reporter D650 AW but sometimes I have a need for a bagpack. The construction of Lowepro Nature Trekker AW II is very stury and in my use it will probably last forever. However the capacity is somewhat smaller than with text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_stuff/seculine_zigview_s2?rev=1676936233&do=diff Seculine Zigview S2 Written in 2007, latest update 2011. Seculine Zigview S2 was a nice addition to my camera bag. It consisted of a small camera that attached to the viewfinder of an SLR and then after a cord there was a small LCD screen to display the viewfinder image. The pros were that Seculine Zigview S2 worked as expected and was handy when trying to lower my shooting position. The con was rather short battery lifetime. What could have been handy too would be an extension cord to the cam… text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/fujifilm_x_s1?rev=1677105451&do=diff Fujifilm X-S1 This Fujifilm X-S1 review was initially created May 2013 and was last updated September 2015. My general rating: recommended for those who need all-in-one camera with good ergonomics. * General photos shot with Fujifilm X-S1 * Naisten Kymppi 25.5.2014 with Fujifilm X-S1 * Roosters - Butchers 6.9.2014 with Fujifilm X-S1 Pros * Nice all-in-one camera for walkaarounds, trips and holidays. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/panasonic_lumix_dmc_fz1000?rev=1677105451&do=diff Panasonic Lumix DMC-FZ1000 Initial impressions based on test shots. Written in 2014. Panasonic FZ1000 is right now the hottest camera on the planet. I have a principle to avoid anything that is very hot and wait a while to let it cool down. But this time I made an exception and decided to give FZ1000 a go as a replacement and update for text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/1?rev=1775801607&do=diff Photo 1 First photo · Photo 2>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 1] First photo · Photo 2>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/2?rev=1775801607&do=diff Photo 2 Photo 1<<<<<< Photo 3>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 2] Photo 1<<<<<< Photo 3>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/3?rev=1775801607&do=diff Photo 3 Photo 2<<<<<< Photo 4>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 3] Photo 2<<<<<< Photo 4>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/4?rev=1775801607&do=diff Photo 4 Photo 3<<<<<< Photo 5>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 4] Photo 3<<<<<< Photo 5>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/5?rev=1775801607&do=diff Photo 5 Photo 4<<<<<< Photo 6>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 5] Photo 4<<<<<< Photo 6>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/6?rev=1775801607&do=diff Photo 6 Photo 5<<<<<< Photo 7>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 6] Photo 5<<<<<< Photo 7>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/7?rev=1775801607&do=diff Photo 7 Photo 6<<<<<< Photo 8>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 7] Photo 6<<<<<< Photo 8>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/8?rev=1775801607&do=diff Photo 8 Photo 7<<<<<< Photo 9>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 8] Photo 7<<<<<< Photo 9>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/9?rev=1775801607&do=diff Photo 9 Photo 8<<<<<< Photo 10>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 9] Photo 8<<<<<< Photo 10>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/10?rev=1775801607&do=diff Photo 10 Photo 9<<<<<< Photo 11>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 10] Photo 9<<<<<< Photo 11>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/11?rev=1775801607&do=diff Photo 11 Photo 10<<<<<< Photo 12>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 11] Photo 10<<<<<< Photo 12>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/12?rev=1775801607&do=diff Photo 12 Photo 11<<<<<< Photo 13>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 12] Photo 11<<<<<< Photo 13>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/13?rev=1775801607&do=diff Photo 13 Photo 12<<<<<< Photo 14>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 13] Photo 12<<<<<< Photo 14>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/14?rev=1775801607&do=diff Photo 14 Photo 13<<<<<< Photo 15>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 14] Photo 13<<<<<< Photo 15>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/15?rev=1775801607&do=diff Photo 15 Photo 14<<<<<< Photo 16>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 15] Photo 14<<<<<< Photo 16>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/16?rev=1775801607&do=diff Photo 16 Photo 15<<<<<< Photo 17>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 16] Photo 15<<<<<< Photo 17>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/17?rev=1775801607&do=diff Photo 17 Photo 16<<<<<< Photo 18>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 17] Photo 16<<<<<< Photo 18>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/18?rev=1775801607&do=diff Photo 18 Photo 17<<<<<< Photo 19>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 18] Photo 17<<<<<< Photo 19>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/19?rev=1775801607&do=diff Photo 19 Photo 18<<<<<< Photo 20>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 19] Photo 18<<<<<< Photo 20>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/20?rev=1775801607&do=diff Photo 20 Photo 19<<<<<< Photo 21>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 20] Photo 19<<<<<< Photo 21>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/21?rev=1775801607&do=diff Photo 21 Photo 20<<<<<< Photo 22>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 21] Photo 20<<<<<< Photo 22>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/22?rev=1775801607&do=diff Photo 22 Photo 21<<<<<< Photo 23>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 22] Photo 21<<<<<< Photo 23>>>>>> Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “” text/html 2026-04-10T06:13:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/photos/20221108_tyomaa_itis/23?rev=1775801607&do=diff Photo 23 Photo 22<<<<<< · Last photo Derelict construction site 2022 · Full size · Vaihda kieli suomeksi [Derelict construction site 2022 · photo 23] Photo 22<<<<<< · Last photo Derelict construction site 2022 · Full size · Vaihda kieli suomeksi “”