Crop Factor in real world, Sigma 150-600mm C on Canon 1300D
75334
Why do Full Frame lenses and crop body lenses exhibit the same crop factor when used on a crop body camera?
17968
Does 4.0-72mm on the lens when equivalent focal length is 24-432mm mean crop factor of 6×?
75016
How to nail focus for DSLR astrophotography?
47315
How needed is the Image Stabilization on the Canon 70-200 f2.8 L USM lens?
19362
Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?
15772
Do full frame sensors gather more light than crop sensors?
94271
What is the reference plane used when the minimum focus distance is measured?
153578
Variable focal length for macro lenses?
21744
Focal length of an ellipse and related results
67974
What is a good focal length for street photography?
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?
101210
This sigma to binom?
102058
Weird canon 17-55 f2.8 IS lens error
135541
Texture scaling to real world measurements?
53448
Do bigger focal lengths capture more light?
86838
What do the red values mean on the distance scale of a lens?
93638
How can I get the most possible depth of field out of close-up/macro shots?