What non-AF, old lenses are adaptable to my EOS 550D EF-S mount?
12768
Can I use lens brand X on interchangeable lens camera brand Y?
51320
Is there a way to get Magic Lantern on my newer model Canon?
33012
Where can I find the maximum lens weight for my camera?
84007
Why are there no fast APS-C zooms beyond 55mm?
97709
How can I take crisp sharp shots without an expensive lens?
84627
Is there a standard tripod mount?
79769
Which lenses should be included in a travel photography kit?
101736
What is the difference between Canon "L" lenses and non-L lenses?
69837
What is the fastest lens available for a DSLR?
102058
Weird canon 17-55 f2.8 IS lens error
28157
Are Canon EOS and Nikon DSLR lenses interchangeable?
51707
What low-cost non-fisheye wide angle lenses are available for Canon and how do they compare?
129284
Why no zoom lenses with a maximum aperture wider than f/2.8?
10956
How do I choose a macro lens for a Canon APS-C camera?
26351
What macro techniques offer an alternative to expensive optics?
82290
Are there any cheap, fast lenses capable of highschool sports photography?
22374
What methods can be used to micro-adjust autofocus of a camera body to a particular lens?