About the 1.6x crop factor on a crop body
75334
Why do Full Frame lenses and crop body lenses exhibit the same crop factor when used on a crop body camera?
145204
Calculate object size when I have physical pixel size
73821
Understanding the coordinate system for ImageTake
133267
How to work out sqft/m of land coverage?
16978
Is there a general formula for image size vs. print size?
51290
Does my crop sensor camera actually turn my lenses into a longer focal length?
156491
How to trim by hand using crop marks?
10820
What is the formula for percent of frame filled at a specific distance and focal length?
117453
The necessity of the B field
31763
How to make a press proof with crop marks and color bars?
155398
Normal Artifacts On Grazing Angles
58821
How can the aperture value written in Exif be larger than the nominal limit of the lens?
33910
R stem and leaf values
96529
How can I calculate magnification ratio I get by reversing a lens?
130932
Effective Refractive Index
47999
How do you find out the "sweet spot" of a lens?
156217
What causes this 'bokeh crop' effect?