| 单词 | roller blind shutter |
| 释义 | > as lemmasroller blind shutter 2. Photography. A shutter mechanism consisting of one or two flexible blinds on rollers, containing a slit that is moved across rapidly under spring tension so as to admit light to the plate or film. Frequently attributive, esp. in roller blind shutter. Now chiefly historical.Early forms of roller blind shutter consisted of a single blind of fabric, sometimes with a choice of slit sizes, placed in front of or behind the lens. The modern form of focal plane shutter is a development of this, consisting of two metal blinds that together form a variable slit. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > shutter Venetian shutter1844 obturator1853 shutter1862 roller blind1882 leaf shutter1892 time shutter1893 between-lens shutter1909 barn door1942 1882 Eng. Mechanic 27 Oct. 190/2 I am now making a shutter: a spring roller-blind with a slit in it, which travels very rapidly across the plate. 1887 Pract. Guide to Photogr. (new ed.) xiii. 112 One of the best shutters is Kershaw's patent roller blind shutter. 1909 Photogr. Jrnl. 49 174 The roller-blind..rapidly uncovers a considerable area. 1984 Mod. Photogr. (Nexis) 1 Nov. The Contax II of 1936..retained such ‘Contaxy’ features as..a vertically running, metal roller blind type shutter and a removable take-up spool in the right hand chamber. 1999 Herald Express (Torquay) (Nexis) 5 July 11 He..made himself a wooden camera with a roller blind shutter and an aerial survey lens. < as lemmas |
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