What's the ranges of ratios of Focal Length to Sensor Height to approximate a human eye's view?
57844
What lens focal length most closely resembles the perspective of the human eye?
19362
Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?
80219
What is the relationship between field of view and focal length for fisheye?
146325
How is zoom measured?
90109
Are cropped images from a full-frame sensor equal quality to full APS-C images despite the lower resolution?
85095
Selecting optical size?
75644
Can I calculate the size of a real object by just looking at the picture taken by a Camera?
73821
Understanding the coordinate system for ImageTake
93638
How can I get the most possible depth of field out of close-up/macro shots?
110108
Most Common Aspect Ratio?
14565
How does background blur (bokeh) relate to sensor size?
134974
What is the focal length on your typical cell phone camera?
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?
5000
Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?
59384
Do the same camera settings lead to the same exposure across different sensor sizes?
138159
Wavelength and resolution
67858
Viewing glass from an oblique angle