What are the key features of Canon EOS 1DX SLR?
Why did Canon come up with APS-H and why did the top-of-the-line 1D's *still* use it and 1.3x crop, when FF existed for four years (the 5D)?
With the 1.5/1.6X (APS-C/DX) crop factors and full frame just about ubiquitous these days in the digital world -- why hadn't Canon's top-of-the-line 1D's moved to FF sooner? It took four years! Is ...
Why does the Canon 1D Mark III cost more than the 1D Mark IV ? According to snapsort it looks like the Mark IV is better. Mark 3: $7995 http://www.amazon.com/Canon-1D-Mark-III-Digital/dp/B000NP1C5O/ ...
I have read references to this feature on some Canon DSLR cameras and am wondering what benefits or uses it has.