Canon’s EOS 40D digital single-lens reflex (DSLR) camera is the follow-up to the EOS 30D ( ) released two years ago. The 40D sits squarely in the middle of a DSLR market that spans everything from ...

Time to start squinting at your screen. Nikon releases sample images from its D3 professional-grade SLR, and Canon 40D shots also are emerging. Stephen Shankland worked at CNET from 1998 to 2024 and ...

Mostly minor fixes are in for these SLRs from the dominant SLR makers. Nikon had its own 'black dot' problem, though rarer. Stephen Shankland worked at CNET from 1998 to 2024 and wrote about ...

Need proof that technology trickles down? Just a couple of years ago, the 40D’s impressive features—10.1 megs, 6.5-frames-per-second shooting, self-cleaning sensor, nine-point autofocus system—would ...

Hi guys, I just upgraded to the latest 40d firmware but I want to revert back to something earlier, but I dont see canon offering older firmware like 1.08 or even 1.05 which is what the camera had.

My (until now) trusty 40D has developed a very annoying problem, which is that it will sometimes fail to fire the shutter when the shutter release is pushed all the way down. I've turned off AF to ...