Spring 2012

Spring 2012
by ani

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Focal length is the distance (measured in mm) between the surface of a lens and the focal point, when the lens is focussed at infinity. Smaller focal lengths indicate wide-angle lenses, larger focal lengths indicate a telephoto lens.

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How can I increase the flange focal distance (back focal length) of DSLR lens?

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1answer
110 views

How to overlay the image scaling based on the user distance & focal length

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330 views

How to get width and height of an image based on distance

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