I have a Sigma 400 mm FD lens which comes with an FD to EOS (EF) adapter. Is it possible for me to attach an extender to it. May be a 2X FD extender and then attach the FD to EOS (EF) adapter. Is ...
I've heard that EF-S lenses are not compatible with full frame bodies and that using such lenses could damage the mirror. Are the EF-S lenses not compatible with full frame bodies in terms of "not ...
I am planning to buy a Canon EF 300mm f/2.8 L IS II soon, probably in the first half of next year. I plan for it to be my wildlife and birding lens, and with the 1.4x and 2x Mark III teleconverters ...
Is there a good reason to choose one lens over the other? Granted that the 24mm lens is a bit wider than the 28mm lens but are there any other reasons?
What is the difference with Canon EF-S and EF-M lens?
This is specific to Canon, but what is the difference between EF and EF-S lenses?