Why is my aperture limited to less than the maximum even in manual mode?
103113
Why do zoom lenses and compact cameras have varied maximum aperture across the zoom range?
93638
How can I get the most possible depth of field out of close-up/macro shots?
106404
How to lock speed dials on Nikon DSLR (D600) while in manual mode
23545
When to use shutter priority instead of aperture priority?
38537
What is the relationship between ISO, aperture, and shutter speed?
145622
How do constant aperture zoom lenses work?
30788
Is the camera sensor or the lens the limit to resolution?
69119
Is the size of the entrance pupil the same as the size of the effective aperture?
50343
Why is my camera metering indoor scenes as darker than I expect, forcing me to use a high ISO?
106173
What is a "diffraction limit"?
113294
Why is my Metz 58 AF-2 using long shutter values when my Canon 60D is in Av mode?
83701
What settings should I be using to shoot "Supermoon"?
46631
Why is shutter speed changing after each shot in manual mode?
24382
What is the depth-of-field preview button on my DSLR supposed to show me?
84007
Why are there no fast APS-C zooms beyond 55mm?
93222
How does sensor size affect the brightness of an image given the same field of view and aperture?
9033
What is aperture, and how does it affect my photographs?