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Hasil cari dari kata atau frase: Focal distance or length of a lens or mirror (0.00972 detik)
Found 1 items, similar to Focal distance or length of a lens or mirror.
English → English (gcide)
Definition: Focal distance or length of a lens or mirror
Focal
\Fo"cal\, a. [Cf. F. focal. See
Focus.]
Belonging to,or concerning, a focus; as, a focal point.
[1913 Webster]
Focal distance, or length, of a lens or mirror (Opt.), the
distance of the focus from the surface of the lens or
mirror, or more exactly, in the case of a lens, from its
optical center.
Focal distance of a telescope, the distance of the image of
an object from the object glass.
[1913 Webster]
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