英语词汇“negative eyepiece”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

negative eyepiece

negative eyepiece n. Optics an eyepiece consisting of two planoconvex lenses with their plane side towards the observer, so named because the image is formed between the two lenses; cf. Huyghenian eyepiece n. at Huyghenian adj.

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > lens > [noun] > eye-piece

eyeglass1665

ocular1702

eyepiece1729

Ramsden1787

field glass1797

negative eyepiece1831

positive eyepiece1842

Kellner1865

orthoscopic1868

eye-point1875

comparison eyepiece1940

1831 D. Brewster Treat. Optics xliii. 361 This eyepiece is called the negative eyepiece.

1875 E. H. Knight Amer. Mech. Dict. II. 1521/1 The Huyghenian, or negative eye-piece..is the usual combination of lenses at the eye-end of a telescope or microscope.

1978 Amer. Jrnl. Bot. 65 1065 (note) The distal and proximal radii were measured on photographs taken with a ×90 objective and ×8 negative eyepiece.

extracted from negativeadj.adv.²int.

as lemmas

单词	negative eyepiece
释义	> as lemmas negative eyepiece negative eyepiece n. Optics an eyepiece consisting of two planoconvex lenses with their plane side towards the observer, so named because the image is formed between the two lenses; cf. Huyghenian eyepiece n. at Huyghenian adj. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [noun] > eye-piece eyeglass1665 ocular1702 eyepiece1729 Ramsden1787 field glass1797 negative eyepiece1831 positive eyepiece1842 Kellner1865 orthoscopic1868 eye-point1875 comparison eyepiece1940 1831 D. Brewster Treat. Optics xliii. 361 This eyepiece is called the negative eyepiece. 1875 E. H. Knight Amer. Mech. Dict. II. 1521/1 The Huyghenian, or negative eye-piece..is the usual combination of lenses at the eye-end of a telescope or microscope. 1978 Amer. Jrnl. Bot. 65 1065 (note) The distal and proximal radii were measured on photographs taken with a ×90 objective and ×8 negative eyepiece. extracted from negativeadj.adv.²int. < as lemmas
随便看	to knock formerly also hit out of time to knock galley-west to knock galleywest to knock head to knock heads together to knock heads with to knock in to knock in pieces to knock into a cocked hat to knock into the middle of next week to knock it back to knock off to knock off a person's head to knock off his or her perch to knock off the map to knock on to knock on in the head to knock on in the rarely at head to knock on the head to knock on the rarely at head to knock on wood to knock one a twister to knock one the twister to knock one's head against to knock oneself out