Do f-stops scale with sensor size the way focal length does?
19362
Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?
34583
How can I calculate sensor size (width and height) from focus length, vertical, and horizontal angle of view?
51290
Does my crop sensor camera actually turn my lenses into a longer focal length?
107818
What is the shape of the focal plane?
138159
Wavelength and resolution
80219
What is the relationship between field of view and focal length for fisheye?
113839
How can I visualize or simulate the effect of different focal lengths?
12994
Is it physically possible to build a long zoom (17-300 mm for example) at an aperture value of around 1.4 or 1.2?
150402
Is it normal for focal length to change while focusing?
86838
What do the red values mean on the distance scale of a lens?
46148
Yongnuo YN-685 underexposure issue in bounce mode at longer focal length
101960
Why are crop lenses indicated with focal lengths they don't have?
63434
Technically, why is the out of focus area blurred more when using a bigger aperture?
18669
Is it really better to shoot at full-stop ISOs?
52368
Does the diameter of the aperture increase with increases in the focal length with constant F-number(F-stops)?
62822
How can lens cause consistent front or back focus?
107024
Why does a bigger sensor have better dynamic range?