EF lens on an EF-S body
20308
Can I use a EF lens with a EF-S camera?
19971
Can I use Canon lenses on a Nikon dSLR?
104812
What differences exist between third-party and official lenses for Canon APS-C DSLRs?
137893
A half covered lens
85095
Selecting optical size?
61006
Can a lens shader be made in cycles
100631
Is an EF 50mm f/1.4 the same as 50mm with an EF-S lens on a Canon 550D?
129196
Does crop factor still apply to a vintage film SLR lens?
139137
Entity Framework and SQL Server View
97916
Can the EF lenses of a Canon EOS film camera be used on an APS-C digital EOS camera?
11097
Can I use old Minolta AF lenses on my new Canon?
113163
Why do some lenses focus past infinity?
78500
Can I desaturate incoming light using a filter or series of filters mounted to the lens?
57449
TikZ: How to make a convex lens
96444
Will any non-AF lens work on a Nikon camera with built in AF already in the camera body?
78506
Do gravitational lenses work on gravitational waves?
40865
What should I do when I have lenses with different filter thread sizes?