词汇 | halation |
释义 | halation noun[ U ] art specializeduk /həˈleɪ.ʃən/ us /heɪˈleɪ.ʃən/ an effect caused by an image in a photograph or on a screen spreading beyond its usual edges because of the way the light reflects off the object: We tried to take a picture of the moon last night, but halation made every attempt look like nothing more than a white blur. The film is made with a special layer that is supposed to reduce halation. The halation in the photo made you look like a saint. Halation tends to be more of a problem with film cameras rather than digital photography. Photography aerial photograph airbrush analogue aperture backlight backlighting expose ghost image ghosting glossy golden hour grainy happy slapping pap photojournalist photoshoot pic picture PillCam projection |
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