| 单词 | sky shade |
| 释义 | > as lemmassky shade sky shade n. Photography (now rare) a screen or similar device attached to a camera in order to shade the lens from bright light from the sky and hence protect against overexposure; esp. such a device designed and patented by English photographer E. Muybridge (1830–1904) in 1869; (also) a lens hood. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > lens > lens hood sky shade1859 lens hood1891 1859 Photogr. Jrnl. 15 Dec. 110/1 The dark spot..may be remedied..by laying an annulus of blackened card against the inner sides of the front and back lenses, and by lining the inside of the tube with black velvet, and using a sky-shade, or hood, in front of the lens. 1909 G. L. Johnson Photogr. Optics & Colour Photogr. ii. 152 Skyshades are of great value in colour photography..as without some such screen the skies are invariably spoilt through overexposure. 1973 D. A. Spencer Focal Dict. Photogr. Technol. 568 Sky shade, any form of shield attached to the lens mount for preventing direct rays of the sun reaching the camera lens. < as lemmas |
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