Tuesday, August 26. 2008Canon EOS 50D announced![]() I was really surprised when I read that Canon itself leaked a webpage describing an EOS 50D! The surprise was due to the usual timespan of 1½ years after which Canon presented a successor of their respective EOS line. As the EOS 40D was presented in fall 2007, I didn’t expect a 50D to come before spring 2009. But probably the 50D came a little earlier to be placed against Nikon’s D300 that really outperforms the 40D. Having a brief look at the specs I have the impression that it’s rather a minor advance compared to the 40D, fortifying the impression of a pure marketing decision rather than a real technology jump. The significant changes in my eyes are
In the end only the last one in that list could be of interest if it implies a lower noise behavior at the same ISO speed. The jump from 30D to 40D was much more significant in my eyes, while that from 20D to 30D was only a cosmetic one in a similar way. However, as there obviously won’t be another successor in spring 2009, I can now be sure that my EOS 40D will stay a top camera for at least another year. Much more interesting in my eyes is the upcoming EOS 5D
Posted by Stephan Paukner
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Monday, August 25. 2008Binary archives in newsgroups![]() The usenet originally only consisted of text messages, but it soon became a way of exchanging binary files as well. As posts are usually restricted to only a few MB, larger archives have to be split up into several parts, each attached to its own newsgroup posting. But if some parts of these posts aren’t transferred correctly to other usenet hosts, the archive parts are broken. Not necessarily if the poster created PAR2 archives in addition to the actual data archive parts. In a RAID-like manner, parity information is placed redundantly into the additional files. Thus, it is possible to recover the complete archive if some parts of it are incomplete. As I downloaded some image archives (No, they were not p’rn) containing pictures in the PCD format that encapsulates six different resolutions of an image, I also had to find out how to explicitly extract the large (3072×2048) resolution out of it. All in all, I created the following (simple) script that
I did it this way:
Thursday, August 14. 2008Digitale Bilder organisieren![]() Obwohl ich schon einmal hier laut darüber nachgedacht habe, wie ich meine (digitalen) Fotos organisieren soll, reagiere ich nun auf eine Blogparade zu diesem Thema, auch um mich selbst etwas mehr zur Fotografie anzuspornen.
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