camera obscuran.

Brit.

/ˌkam(ə)rə(r) əbˈskjʊərə/,

/ˌkam(ə)rə(r) ɒbˈskjʊərə/,

/ˌkam(ə)rə(r) əbˈskjɔːrə/,

/ˌkam(ə)rə(r) ɒbˈskjɔːrə/, U.S.

/ˌkæm(ə)rə əbˈskjʊ(ə)rə/

Forms: 1700s cammara obscura, 1700s– camera obscura.

Origin: A borrowing from Latin. Etymon: Latin camera obscura.

Etymology: < post-classical Latin camera obscura, literally ‘dark chamber’ (1653 or earlier) < classical Latin camera camera n. + obscūra , feminine of obscūrus obscure adj. Compare French chambre obscure (1752; after Latin). Compare earlier obscura camera n.

Optics.

An instrument comprising a darkened room or box with a convex lens or a pinhole in one side, used for projecting an image of an external object on to a surface inside the instrument so that it can be viewed, drawn, or (in later use) reproduced on a light-sensitive surface. Also figurative (now rare). Cf. magic lantern n., pinhole camera at pinhole adj. 2.

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > instruments for projecting image > [noun] > camera obscura or lucida

darkroom1635

dark chamber1658

scioptric1704

dark tent1706

obscura camera1706

camera obscura1716

camera1734

camera lucida1753

box camera1828

1668 Philos. Trans. (Royal Soc.) 3 741. A Contrivance To make the Picture of any thing appear on a Wall, Cub-board, or within a Picture-frame, &c. in the midst of a Light room..or in the Night-time in any room that is enlightned..devised and communicated by the Ingenious Mr. Hook.]

1716 Bodl. MS Rawl. D. 414 26 A Magick Lanthorn also & a portable Cammara obscura were shown.

1724 E. Stone tr. W. J. 's Gravesande Ess. Perspective ix. 103 The Way to represent Objects in the Camera Obscura, is to make a small Hole in that side thereof next to the Objects, and place a Convex-Glass therein.

1725 A. Pope Corr. 2 June (1956) II. 296 When you shut the Doors of this Grotto, it becomes on the instant, from a luminous Room, a Camera obscura on the walls of which all the objects of the river, hills, woods, and boats, are forming a moving picture.

1753 S. Richardson Hist. Sir Charles Grandison III. xvii. 142 Shall I retire with you to solitude? Make a Lover's Camera Obscura for you?

1794 G. Adams Lect. Nat. & Exper. Philos. II. xv. 197 By camera obscura, opticians mean any darkened room, out of which all light is excluded, but what comes through a lens upon a white screen properly placed.

1839 Times 29 Oct. 3/2 The operator must only make use of a small lantern with a coloured glass, in an otherwise perfectly darkened room..in fixing the images produced in the camera obscura.

1860 G. B. Quackenbos Nat. Philos. xiv. 267 For practical purposes, the camera obscura must be portable. A close box, painted black on the inside, is therefore substituted for the darkened room.

1931 E. V. Lucas Visibility Good 16 How exciting it was when we went to the camera obscura at the earthly end of the old Chain Pier and watched the little creatures..moving hither and thither!

1997 J. V. Field Invention of Infinity vii. 145 In the early 1570s Danti made a hole in the round window..in the façade of Santa maria Novella to enable him to use the church as a camera obscura for making observations of the height of the Sun at noon.

2006 M. W. Marien Photography (ed. 2) i. 5/2 The camera obscura did not encourage imagination or personal style, and usually produced stiff, formal images.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	camera obscura
释义	camera obscuran. Brit. /ˌkam(ə)rə(r) əbˈskjʊərə/, /ˌkam(ə)rə(r) ɒbˈskjʊərə/, /ˌkam(ə)rə(r) əbˈskjɔːrə/, /ˌkam(ə)rə(r) ɒbˈskjɔːrə/, U.S. /ˌkæm(ə)rə əbˈskjʊ(ə)rə/ Forms: 1700s cammara obscura, 1700s– camera obscura. Origin: A borrowing from Latin. Etymon: Latin camera obscura. Etymology: < post-classical Latin camera obscura, literally ‘dark chamber’ (1653 or earlier) < classical Latin camera camera n. + obscūra , feminine of obscūrus obscure adj. Compare French chambre obscure (1752; after Latin). Compare earlier obscura camera n. Optics. An instrument comprising a darkened room or box with a convex lens or a pinhole in one side, used for projecting an image of an external object on to a surface inside the instrument so that it can be viewed, drawn, or (in later use) reproduced on a light-sensitive surface. Also figurative (now rare). Cf. magic lantern n., pinhole camera at pinhole adj. 2. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instruments for projecting image > [noun] > camera obscura or lucida darkroom1635 dark chamber1658 scioptric1704 dark tent1706 obscura camera1706 camera obscura1716 camera1734 camera lucida1753 box camera1828 1668 Philos. Trans. (Royal Soc.) 3 741. A Contrivance To make the Picture of any thing appear on a Wall, Cub-board, or within a Picture-frame, &c. in the midst of a Light room..or in the Night-time in any room that is enlightned..devised and communicated by the Ingenious Mr. Hook.] 1716 Bodl. MS Rawl. D. 414 26 A Magick Lanthorn also & a portable Cammara obscura were shown. 1724 E. Stone tr. W. J. 's Gravesande Ess. Perspective ix. 103 The Way to represent Objects in the Camera Obscura, is to make a small Hole in that side thereof next to the Objects, and place a Convex-Glass therein. 1725 A. Pope Corr. 2 June (1956) II. 296 When you shut the Doors of this Grotto, it becomes on the instant, from a luminous Room, a Camera obscura on the walls of which all the objects of the river, hills, woods, and boats, are forming a moving picture. 1753 S. Richardson Hist. Sir Charles Grandison III. xvii. 142 Shall I retire with you to solitude? Make a Lover's Camera Obscura for you? 1794 G. Adams Lect. Nat. & Exper. Philos. II. xv. 197 By camera obscura, opticians mean any darkened room, out of which all light is excluded, but what comes through a lens upon a white screen properly placed. 1839 Times 29 Oct. 3/2 The operator must only make use of a small lantern with a coloured glass, in an otherwise perfectly darkened room..in fixing the images produced in the camera obscura. 1860 G. B. Quackenbos Nat. Philos. xiv. 267 For practical purposes, the camera obscura must be portable. A close box, painted black on the inside, is therefore substituted for the darkened room. 1931 E. V. Lucas Visibility Good 16 How exciting it was when we went to the camera obscura at the earthly end of the old Chain Pier and watched the little creatures..moving hither and thither! 1997 J. V. Field Invention of Infinity vii. 145 In the early 1570s Danti made a hole in the round window..in the façade of Santa maria Novella to enable him to use the church as a camera obscura for making observations of the height of the Sun at noon. 2006 M. W. Marien Photography (ed. 2) i. 5/2 The camera obscura did not encourage imagination or personal style, and usually produced stiff, formal images. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < n.1716
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