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by Aditya

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1
vote
2answers
163 views

Can I use a FD lens + extender with Canon EOS mount?

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 ...
4
votes
3answers
3k views

Why isn't it safe to use EF-S lenses on fullframe?

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 ...
3
votes
1answer
263 views

Are there any quality 1.7x teleconverters for Canon EF mount?

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 ...
1
vote
3answers
235 views

Canon EF 24/28 mm f/2.8 IS USM Autofocus Lenses

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?
3
votes
2answers
6k views

What's the difference between Canon EF-S and EF-M?

What is the difference with Canon EF-S and EF-M lens?
27
votes
9answers
53k views

What is the difference between EF and EF-S lenses?

This is specific to Canon, but what is the difference between EF and EF-S lenses?