What prevents a f/1.8, 24 mm - 70 mm or similar range zoom lens from being made?
129284
Why no zoom lenses with a maximum aperture wider than f/2.8?
69847
Why don't DSLRs come equipped with "classic" focusing screens (split prism, etc)?
65989
How to improve image sharpness on Canon 700D?
30788
Is the camera sensor or the lens the limit to resolution?
145622
How do constant aperture zoom lenses work?
54122
Why does using a tilt-shift lens make things look miniature?
17851
How does using a lens with some focal length on a full frame camera differ from using a lens with "equivalent" focal lens on a crop camera?
86838
What do the red values mean on the distance scale of a lens?
4389
How can a lens with a single focal length focus on more than one plane?
20168
Wide Angle Lens on a Step Down ring?
1276
Which piece of equipment is holding me back?
14182
How to ensure sharp focus when shooting with an open aperture?
113163
Why do some lenses focus past infinity?
35186
Would a prime be redundant with a fast zoom?
83545
What configuration would limit my DSLR's shutter speed to 1/200?
40865
What should I do when I have lenses with different filter thread sizes?
62759
Why am I allowed to turn my focusing ring beyond infinity?