| slovo | definícia |
focal distance
(encz) | focal distance,ohnisková vzdálenost n: Marek Běl |
focal distance
(wn) | focal distance
n 1: the distance from a lens to its focus [syn: {focal
distance}, focal length] |
| | podobné slovo | definícia |
hyperfocal distance
(encz) | hyperfocal distance, n: |
Focal distance of a telescope
(gcide) | 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] |
Focal distance or length of a lens or mirror
(gcide) | 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] |
hyperfocal distance
(wn) | hyperfocal distance
n 1: the distance in front of a lens that is focused at infinity
beyond which all objects are well defined and clear |
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