What’s an equivalent focal length of a fullframe lens on a crop sensor?
15644
What is crop factor and how does it relate to focal length?
8552
Which focal-length lens is usually used for portrait photography, and why?
148161
Sharpness and bokeh comparison of Nikon 50mm f/1.2, f/1.4G and f/1.8G
93222
How does sensor size affect the brightness of an image given the same field of view and aperture?
93638
How can I get the most possible depth of field out of close-up/macro shots?
37632
How to compare the focal length of a 50mm prime lens with the default lens of a point and shoot camera?
158679
How do I find a point-and-shoot camera specifically for bokeh / a very shallow depth of field?
67822
How to determine lens undistortion values for motion tracking?
26351
What macro techniques offer an alternative to expensive optics?
107818
What is the shape of the focal plane?
38465
Does a Nikon DX lens on a FX camera get subjected to the 1.5X crop factor?
37422
Since it's not "focal length", what is the term for the distance at which things are in focus?
113839
How can I visualize or simulate the effect of different focal lengths?
104610
What focal length lens do I need for photographing the moon?
109652
What is the limiting factor in lens construction when it comes to f-stop values?
39233
Would it be better to use a 35mm prime instead of a 50mm prime on a cropped sensor body?
53448
Do bigger focal lengths capture more light?