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Topic: How far do you dim the lights and when?
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Frank Angel
Film God
Posts: 5305
From: Brooklyn NY USA
Registered: Dec 1999
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posted 02-01-2006 04:09 AM
A well designed auditorium should have lighting that even when the main house is at "show" level during the movie, isles and crossover rows, step lights, etc. should all be lit well enough that patrons can move about the theatre safely. This is done with a variety of long-proven lighting techniques such as well-aimed down lights on the isle areas, LED tubes in the isles and on the step edges, etc., none of which impact the screen.
If this kind of proper lighting design is used, then even if no house lights are brought up during the credits, people should still be able to exit the room without any trip-and-fall issues (primary concern of the insurance companies and how sleezeball lawyers get their own home theatres).
Ideally, where houselights are brought up during credits, they should only be raised to a glow (and very gradually as John said) and never so high as to negatively impact image contrast. In addition, well designed house lights should be well focused so that they do not directly shine on the screen.
In lesser designed houses, patron safety should be the primary concern, and next a protocol of lighting changes before and after the show that interfers least with the screen contrast.
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