Category: Use your D-SLR

  • Review of Sigma 80-400mm f/4.5-5.6 EX DG OS

    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…

  • LightZone, a Linux kind of shareware

    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…

  • 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…

  • 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.

  • Digital Photo Academy

    Digital Photo Academy is a Panasonic-LUMIX initiative for the American users of digital cameras. They will be holding teaching courses and presentations open to all users of those D-SLR and compact cameras. The web site is not yet open, but more news just before May 2007. Atlanta Boston Chicago Cleveland Dallas Denver Detroit Houston Los…

  • All about Nikon VR

    In our series of reference technical papers, we invite you to go and check “What’s behind vibration reduction“, a very interesting description of the technology Nikon uses to reduce image blur caused by vibrations of the photo camera (or of the photographer). It is quite nicely done (cool desing from Nikon) and deeply documented. Just…

  • List of Sigma lenses compatible with Nikon D40

    Remember it: The Nikon D40 does not include the usual autofocus motor (for obvious cost reasons) and leaves this bruden onto the lens itself. Of course, it means that some lenses are not fully usable with the D40. Some others have no problem with the small Nikon digital camera because they include the needed motor.…

  • Unidentified Flying Raw (UFRaw) for Linux

    The Unidentified Flying Raw (UFRaw) is a utility to read and manipulate raw images from digital cameras. It can be used on its own or as a Gimp plug-in. It reads raw images using Dave Coffin’s excellent raw conversion utility – DCRaw. UFRaw supports basic color management using Little CMS, allowing the user to apply…

  • South Africa: Contents of the photo safari bag

    South Africa: Contents of the photo safari bag

    Ready to go to South Africa to find leopards during a safari photo trip, I am preparing my photo bag. For those of you interested in its contents and the reasons why I have filled it like that, I invite you to check this list together.