What exactly are tilt shift lenses and why are they so important
100105
How much of a difference is there between photos where perspective is fixed in post as opposed to being shot with a tilt lens?
10570
Does sensor size affect lens distortion?
20086
Why is the amount of light a lens lets in called the 'lens speed'?
12460
Why prefer the 18-55mm and 55-250mm lenses vs 18-200mm?
2349
Does white balance totally correct color shift due to lens glass or coating?
43047
Why do some lenses cost 10 times as much when the specs are very close?
79654
What is the effect of the number of cross-type focus points on sharp focus?
85191
Are manufacturers' Image Stabilisation ratings for zoom lenses deceptive?
133548
How can a speedbooster improve the light performance of a lens?
4389
How can a lens with a single focal length focus on more than one plane?
132064
Do I need a slim or normal polarized filter for a wide angle lens?
96529
How can I calculate magnification ratio I get by reversing a lens?
145622
How do constant aperture zoom lenses work?
71754
Why do two zoom lenses set to 200mm on the same camera produce different fields of view?
105343
Interference at the focus of a convex lens or a concave mirror
28004
What can a fisheye lens be useful for?
47641
what is the purpose of condenser lens in a slide projector?