Why does lower focal length magnifies objects better comparing to other camera?
41934
How do zoom, magnification, and focal length relate?
153578
Variable focal length for macro lenses?
43047
Why do some lenses cost 10 times as much when the specs are very close?
7664
Why are effective pixels greater than the actual resolution?
51290
Does my crop sensor camera actually turn my lenses into a longer focal length?
113839
How can I visualize or simulate the effect of different focal lengths?
19150
Why do mirrorless cameras have quicker autofocus than SLRs using live view?
53920
What are the advantages of using the optical viewfinder over live preview to take photos on a DSLR?
103113
Why do zoom lenses and compact cameras have varied maximum aperture across the zoom range?
128590
Is the formula for object image size given focal length, etc. independent of sensor size?
140954
what's the relation between sensor size and image quality (noise, dynamic range)?
17851
How does using a lens with some focal length on a full frame camera differ from using a lens with "equivalent" focal lens on a crop camera?
10570
Does sensor size affect lens distortion?
5000
Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?
101736
What is the difference between Canon "L" lenses and non-L lenses?
38034
What makes a DSLR better than a Point & Shoot?
52368
Does the diameter of the aperture increase with increases in the focal length with constant F-number(F-stops)?