Why do kit lenses, some zooms, and primes have their aperture controlled by the camera?
91202
Why is the aperture ring removed from new Nikon lenses?
24842
Does using an extender actually change the aperture of the lens?
51290
Does my crop sensor camera actually turn my lenses into a longer focal length?
135149
How do camera body motors compare to in-lens motors for focusing?
130570
Why can't my SLR autofocus on certain parts of a scene?
80777
Canon 700d - lens does not move when focusing?
112671
Can I control depth of focus (v depth deph of field)
74363
Why is the bokeh shaped like the aperture?
38537
What is the relationship between ISO, aperture, and shutter speed?
111197
Do the Lightroom lens correction tools make good lenses less important?
20439
Do lenses have focal planes or focal spheres/ellipsoids?
35186
Would a prime be redundant with a fast zoom?
54122
Why does using a tilt-shift lens make things look miniature?
150402
Is it normal for focal length to change while focusing?
150525
What is the difference between a telephoto lens and a zoom lens?
70690
Why are only certain shutter speeds or apertures available?
27692
Why do I need an add-on lens to take smartphone macro photos?