I have two APS-C (70D and 600D) bodies with Canon EF and EF-s lenses, and Sigmas, among them the Sigma 70-200 f2.8 HSM OS. I am also considering getting the new Tamron 150-600 lens, pending reviews. ...
I'm using 5D MKII body and 100-400 f/4.5-5.6 lens. I want to use a 1.4 converter; will the Kenko converter work and autofocus properly?
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 ...
Currently I have the 70-300mm L lens from Canon. I would like to go on a Safari trip, and was wondering, does it make sense to pick up the Canon EF 400mm f/2.8L IS II with the 1.4X and 2X ...
Canon DSLR bodies prevent poor auto-focus performance by disabling it completely when the lens reports maximum aperture at chosen focal length smaller than f/5.6. This implies that some lenses will ...
Photography.SE, hello there, this is my first question, hence please pardon my inexperience of phrasing the question. I am about to go to Yosemite and Yellowstone for 3 weeks next month, and ...
Is there a reason only certain lenses can be fitted with an extender? I'd really love to be able to fit the extender to some of my cheaper lenses.