(Common acronym or term printed on cameras.)
Filter diameter of the lens. (ie: the correct diameter of a filter that fits the filter threads on the end of the lens) Common filter diameters include 49mm, 52mm, 58mm, 62mm, 67mm and 72mm filters.
Numeric measurements in mm not preceded by the Ø symbol indicate the focal length of the lens, not the filter diameter.
cf. filter, filter threads, focal length, length printed in mm on lens.
Entry last updated 2002-04-18. Term 1394 of 1487.
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