英语词汇“field stop”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

field stop

field stop n. Optics a stop (stop n.² 12) placed in or close to the image plane in an optical instrument, which has the effect of restricting the field of view.

ΚΠ

1889 Amer. Monthly Microsc. Jrnl. 10 265 A metal frame is used as a carrier for the dark-field stop.]

1910 J. P. C. Southall Princ. & Methods Geom. Optics xiv. 550 The actual stop that is thus responsible for the limiting of the field of view of the object may be called the field-stop;..it is the material stop or lens-fastening that subtends the smallest visual angle.

1979 J. Muirden Sidgwick's Amateur Astronomer's Handbk. (ed. 4) iii. 36 The apparent angular field (α) is the angular diameter of the field stop in the ocular as seen through the ocular from the observing position.

2007 A. M. Gandorfer et al. in F. Kneer et al. Mod. Solar Facilities i. 74 In the primary focus a field stop is placed, a heat rejection wedge with a hole that defines the useable field of view, corresponding to 148 000 km on the solar surface.

extracted from fieldn.¹

as lemmas

单词	field stop
释义	> as lemmas field stop field stop n. Optics a stop (stop n.² 12) placed in or close to the image plane in an optical instrument, which has the effect of restricting the field of view. ΚΠ 1889 Amer. Monthly Microsc. Jrnl. 10 265 A metal frame is used as a carrier for the dark-field stop.] 1910 J. P. C. Southall Princ. & Methods Geom. Optics xiv. 550 The actual stop that is thus responsible for the limiting of the field of view of the object may be called the field-stop;..it is the material stop or lens-fastening that subtends the smallest visual angle. 1979 J. Muirden Sidgwick's Amateur Astronomer's Handbk. (ed. 4) iii. 36 The apparent angular field (α) is the angular diameter of the field stop in the ocular as seen through the ocular from the observing position. 2007 A. M. Gandorfer et al. in F. Kneer et al. Mod. Solar Facilities i. 74 In the primary focus a field stop is placed, a heat rejection wedge with a hole that defines the useable field of view, corresponding to 148 000 km on the solar surface. extracted from fieldn.¹ < as lemmas
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