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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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F clef
f/d
F distribution
f.i.o.
f.i.w.
F layer
F. Lt
F/Lt
f-number
f.o.b.
f.o.r.
f.r.
F region
f-stop
f.w.d.
f-word
F2F
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f-number
f-number (plural f-numbers)


noun 
Definition:
 
camera lens setting: the ratio of the focal length to the effective diameter of a camera lens.
Symbol  f
[Abbreviation of focal]
Encarta® World English Dictionary [World English Edition] © & (P)2008 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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