The Electro-Focus (EF) mount has been the standard lens mount for Canon cameras since it's introduction in 1987.
2
votes
3answers
144 views
Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body?
I just purchased Canon 6D (Full frame camera) and I hate to lose the usage of my simple 18-200 EF-S lens.
Any idea if there is a technology that allows me to use the lens on the 5d body?
1
vote
3answers
193 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?
1
vote
1answer
91 views
Misfunction of Canon EF 50mm f/1.8 on manual focus?
I have a Canon T3i (600d) and two lenses: EF-S 18-135mm and EF 50mm f/1.8.
While working with manual focus, I can shoot out of focus (on purpose) with the 18-135 (as expected).
But with the EF 50mm, ...
3
votes
1answer
165 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 ...
25
votes
9answers
13k 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?
3
votes
3answers
764 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
2answers
1k views
What's the difference between Canon EF-S and EF-M?
What is the difference with Canon EF-S and EF-M lens?
2
votes
5answers
798 views
Tamron 17-50 f2.8 lens vs Canon 17-40mm 4.0 lens
How is the quality of the Tamron 17-50mm f2.8 lens? Specifically, is it comparable to the Canon 17-40mm lens, in the following measurements.
Overall quality (Blur, aberrations, etc)
Parallel lines ...
-4
votes
3answers
184 views
What lenses could I get for EOS 60D beyond the kit? [closed]
I have just bought the EOS 60D and I am thinking to buy some new lenses.
What are the next best lenses to buy to get more detail in my pictures and do they have to be EF-S lenses (like the kit lens ...
1
vote
2answers
256 views
Why I can't find an A-mount to Canon EF Adapter?
I looked online for an adapter from A-mount to Canon EF but I couldn't find. The Minolta/Sony A-mount flange focal distance is 44.50mm and Canon EF flang focal distance is 44.00mm, in theory A-mount ...
