http://www.kallepahajoki.net On Coding, Photography and Life Tue, 13 Oct 2009 19:11:28 +0000 http://backend.userland.com/rss092 en http://www.kallepahajoki.net/2009/10/13/vaaniiko-toimistojen-kahviautomaateissa-uusi-homepommi/ http://www.kallepahajoki.net/2009/08/31/hidden-pentax-gems-rikenon-50mm-f2-s/ I went for a short walk with the Vivitar 28mm/f2.8 I bought recently. Right next to us there’s a railway that is nowadays used for cargo only. The old Laukaa railway station is no further than 300m from us, and there’s a section of old railway no longer in use with an abandoned railway car [...]]]> http://www.kallepahajoki.net/2009/08/30/muted-colors-old-railways-a-walkabout-with-vivitar-28mmf2-8/ In this year’s first issue of Tähdet+Avaruus, there was a question sent by a reader about the distance that a lightning can be seen at. The answer referred to lightning seen in the upper parts of a cloud, which is silent when seen from farther than 15km away. The instant I read the answer, I [...]]]> http://www.kallepahajoki.net/2009/08/13/elosalama-eli-kalevantuli/ When arriving home at around midnight on thursday, I found before this scene brightly lit by a moon accompanied by a planet I later learned was Jupiter. Being tired from the ride home, I settled for a quick snap from our balcony. The exposure time is 15 seconds (at f/5.0, ISO100), and you can already [...]]]> http://www.kallepahajoki.net/2009/08/09/moon-over-the-suburb/ I’ve felt for a long time that I should be able to identify more of the constellations. I mean, I can instantly locate the Big Dipper (or Plough) that is part of Ursa Major (as can probably every kid over 5 years in Finland), and I even knew that I could locate Polaris based on [...]]]> http://www.kallepahajoki.net/2009/08/06/learning-the-constellations/ http://www.kallepahajoki.net/2009/08/06/alkuun-paasy-tahtivalokuvauksessa/ http://www.kallepahajoki.net/2009/07/31/why-video-on-dslr-matters/ http://www.kallepahajoki.net/2009/07/28/stop-down-metering-for-manual-pentax-lenses/ http://www.kallepahajoki.net/2009/07/26/hidden-pentax-gems-vivitar-28mm/