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Xenon short-arc lamp: Difference between revisions
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→Lamp Alignment
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If you’re checking luminance through the port glass with your meter subtract 1~2fL. It’s always best to take your final readings in the auditorium itself. | If you’re checking luminance through the port glass with your meter subtract 1~2fL. It’s always best to take your final readings in the auditorium itself. | ||
===Damage== | |||
Improper lamp alignment or lamps that are run too hot can result in permanent damage to the film print. | |||
[[Film damage|Embossing]] is a permanent deformation that occurs when prints are projected with high intensity lamps and without proper heat absorbers. The excessive heat expands the picture area, and the frame stands out in relief. | |||
==Aging== | ==Aging== | ||