Following closely on the heels of Nikon's D3S announcement which raised the bar in low light digital photography Canon has just launched the Canon EOS 1D Mark IV which ups the ante even further by claiming the same rated ISO performance with a greater 16MP resolution in a smaller sensor (APS-H, which has a 1.3 crop factor) allowing the use of smaller and lighter lenses and reducing vignetting issues. Read more to learn what else it has to offer... Read more »

Nikon today announced the D3S, a worthy "mid-life" upgrade to their workhorse pro D-SLR the D3. The biggest change is an upgraded sensor featuring the potential for shooting at ISOs up to a staggering 102,000. Realistically the typical ISO range seems to have been bumped up by 1-2 stops over the D3. The new sensor also captures HD Video, including in very low light conditions. The FX sized sensor retains the 12MP resolution of the D3, but adds a 1.2x crop mode for 8MP shooting with a slight telephoto effect--no doubt helpful when using those lenses which vignette with the FX sensors. It also doubles the buffer size and adds a quiet shutter mode among other nifty new features. It is expected to ship from Nikon in late November for $5199 street price. Full Press Release below...

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For years I've enjoyed using various GPS tools combined with my cameras, especially my favorite but expensive model from Redhen. Recently I got to play with an inexpensive and easy to use alternative, the i-GotU GPS...

Last week I wrote about a great way to improve the quality of your prints by creating customer printer profiles with Spyder3Print SR. But as anyone who prints a lot knows, that is only half the story. Between layout, spooling, swapping paper and ink, and reprinting on demand the actual production workflow is as big a challenge as print quality for anyone serious about printing.

Fortunately there are two excellent software packages that can help. Today we'll look at Imageprint 8 and Qimage 2009 Studio Edition. By reading the review hopefully you can learn whether one or the other of these applications should be part of your photography toolset...

Nikon has launched yet another ground-breaking entry level D-SLR. The headline feature of the camera is the new "Guide" mode which provides shooting suggestions for particular situations, but the one I'm most excited by is ... Read more »