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单词 finderscope
释义

finderscopen.

Brit. /ˈfʌɪndəskəʊp/, U.S. /ˈfaɪndərˌskoʊp/
Origin: Formed within English, by compounding. Etymons: finder n., -scope comb. form.
Etymology: < finder n. + -scope comb. form.
1. A kind of viewfinder for a camera. Obsolete. rare.
ΚΠ
1912 Camera Craft Jan. 77 (advt.) The Ingento Finderscope confines your view in the finder to the actual exposed area of the film and also helps you to compose your pictures more attractively.
2. Astronomy. A small, low-magnification telescope with a wide field of view attached to a larger telescope for use as an aid for locating and aiming the telescope at an object of interest.
ΘΚΠ
the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > telescope > other telescopes
polemoscope1668
finder1738
night-glass1758
collimator1825
floating collimator1833
lookdown1865
guiding telescope1897
autocollimator1903
kinetheodolite1941
finderscope1946
satellite telescope1951
scotoscope1964
starlight scope1964
1946 Sky & Telescope May 10/1 Telescope parts and accessories..including such items as eyepieces, mirrors, diagonals, finder scopes.
1961 Science 20 Jan. 232/1 (advt.) 6-inch reflector... Achromatic finderscope.
1992 Astronomy June 55 Be sure to view the eclipsed Moon in your binoculars or finderscope.
2004 N.Y. Times (National ed.) 1 Apr. e5 (in figure) The telescope points to a guide star from the database. The user nudges the scope using the controller until the star is centered in the finderscope.
This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022).
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n.1912
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