Category: Science & Geeks
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Review of Sigma 80-400mm f/4.5-5.6 EX DG OS
Most wildlife photo amateurs are very found of long focal length tele-lenses. Quite often, the ideal is to be able to go up to 400mm. However, ideally, we should have a zoom to adapt up from a shorter focal length. These last years, the technology evolved so significantly that there is no doubt the 100-400mm…
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Happy birthday Hubble!
The Hubble space telescope just went through its 17th birthday. Unfortunately, its future seems to be pretty much compromised since the Moon and Mars ambitions of the President of the United States of America forced NASA to reduce drastically the number of space shuttle missions: There will probably never be any other repair mission to…
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Dumb hunters kill one out of seven last females of Amur Leopards
The WWF announced that hunters in Eastern Russia recently killed one female of the critically endangered species of Amur Leopard. The animal was shot and them beaten to death with one blunt object apparently. She was one of the last seven (7) female animals still living of that species. The end is approaching fast for…
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Generators for fully personnalized seals, signs and badges
Ultra-specialized, the web sites below will allow you to build or create easily enormously personnalized images: Clapper board: As if you were clapping for your own motion picture Cigarette pack Warning label 100% tailor-made Official-looking seals
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LightZone, a Linux kind of shareware
Lightzone is a RAW manipulation tool (“Your personal digital darkroom“) that some people like a lot for its specific set of qualities (clean neat interface, support for a lot of RAW file formats, ability to handle batch jobs, end-to-end color management) despite its hefty price tag ($150 for the Basic version and $250 for the…
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Heat and photographic equipment
Electronics and optics of our photo (or video) equipment are relatively sensitive to temperature. This leads us to as the question about its protection against heat. There are plenty of rumours and a lot of bad ideas about the best method to protect your photo camera against heat during a photo safari. Example of a…
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Internet forums: The whole story in video
OK! the video does not actually explains, but it translates. For those of you who know Internet forums (of all forms), it’s easy to recognize the local habits. Caution: Not safe for work. http://www.youtube.com/watch?v=Ge2FHDf_L78This is all best understood when you pull it into real life.
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DirectX 10 on WinXP
Microsoft promised that the new graphics standard for Windows (DirectX 10) will not be applied to anything older than Windows Vista. This was enough to push some people in looking for ways to make it work on Windows XP (WinXP), or on Mac, or on Linux. A guy, named Cody Brocious from San Diego, California,…
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Canon “EF Lens Work III”
Canon recently published a set of PDF documents collectively titled “EF Lens Work III” that give you all the details about the EF lens system and their application to the digital photographer. It is a very necessary reading for the Canon user, but also a very good information for the others.