| 单词 | shutter ghost |
| 释义 | > as lemmasshutter ghost c. Cinematography. Blurring or partial duplication of a projected image, esp. vertical streaking of bright parts, caused by incorrect positioning or timing of the shutter. Also: an instance of this; such a blur or fault in the projected image. More fully shutter ghost, travel ghost. ΚΠ 1910 F. H. Richardson Motion Picture Handbk. 176 In order that the shutter cut as small a percentage of the light as is practical without developing a ‘travel ghost’ (white streaks shooting up or down from white objects in the picture or from letters in a title), the shutter is made narrow. 1940 Chambers's Techn. Dict. 375/2 Ghost, vertical streaks on high-lights in a projected picture, arising from incorrect phasing of the rotary shutter with respect to the moving film. 1960 U.S. Camera Nov. 116/2 When, as happens on rare occasions, this timing gets off, or out of exact synchrony, what will be the visible result on the film image? It will be what is known among cine technicians as a ‘shutter ghost’, or ‘ghost image’. 1989 Encycl. Exhib. (U.S. National Assoc. Theatre Owners) 182/1 Shutter ghost (travel ghost) is the streak or blur that occurs to an image resulting from any vertical motion of film in the gate as the projector shutter opens. 1995 SMPTE Jrnl. Sept. 654/3 Ghosts below the white square indicate the shutter is opening too soon; ghosts above the white square indicate the shutter is closing too late. < as lemmas |
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