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Guys...
There is only camera-lens scale, there is no conversion factor.
This term is confusing and misleading, and should never be used.
50mm lens is always 50mm lens. Period.
However, the combination camera-lens has certain field of view, and that parameter is smaller for some DSLR's by factor 1.6, when compared to standard, old-fashioned 35mm camera (and some much more expensive DSLR's with full frame sensor).
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