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Results tagged with lens
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user 77147
A photographic lens is used to focus the light onto film or a digital sensor. Many cameras have interchangeable lens systems, allowing the photographer to choose the type of lens to use.
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What do the F and f numbers written on lens mean?
On this particular lens rim is written "F:2.6 f=3.8mm".
What does it mean? Focal point 3.8 mm and aperture 1/2.6 of the focal point ??? …
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