What apertures are required to enable autofocus, including cross-type or high-precision focusing, on Canon DSLR cameras?
This is a follow-up to Why does Canon and Nikon limit or disable autofocus beyond certain f-numbers? I'm doing this to separate the AF aperture requirements from the linked question above. My goal ...
I'm running Lightroom 2.6 on Windows XP and it runs painfully slow. Just navigating from one image to the next takes a few seconds. What can I do to speed it up?
My question was prompted by this DPReview review of the Nikon DX 18~200mm, wherein on page 3 the author reveals some significant sharpness and distortion issues, leading to final assessments of ...
I've got a 27" 2.8 i7 iMac. I recently moved from iPhoto to Aperture for managing my photos, and am not all that happy with the performance. With a bit of diagnosis, I've seen that 4GB RAM doesn't ...
I heard about camera firmware update. Is it recommended update the firmware? Why? Anyone knows which firmware improve camera performance (Canon EOS Rebel XS)?