Does Zooming the lens Changes the Aperture?
6544
How do zoom lenses restrict their widest aperture at the telephoto end?
59384
Do the same camera settings lead to the same exposure across different sensor sizes?
38465
Does a Nikon DX lens on a FX camera get subjected to the 1.5X crop factor?
30241
How do different aperture and shutter settings affect a photo with the same overall exposure?
12506
What exactly determines depth of field?
149630
Why do photo cameras lose focus when you zoom, when movie or TV cameras keep it?
21523
How can aperture be f/11 on a lens with an aperture range designation of 3.5-5.6?
115919
How to prevent zoom-creep?
19362
Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?
83556
What are the theoretical minimum and maximum apertures?
113163
Why do some lenses focus past infinity?
42808
Simply bad focus or too big aperture?
86838
What do the red values mean on the distance scale of a lens?
154428
What is the difference between zooming in and cropping?
133641
How do DSLRs figure out what aperture to select in P mode?
91202
Why is the aperture ring removed from new Nikon lenses?
112891
Why does the max aperture change when use Nikon 60mm AF-D Micro on D90 camera?