On Screen Troubleshooting: Difference between revisions

→‎Weave: Added note about edge beveling causing weave during projection.
(→‎Jitter: Added noet about jitter due to wear being audible while printed-in jitter is not. Clarified that jitter caused by "improper" gate tension is caused by gate tension that is too low.)
(→‎Weave: Added note about edge beveling causing weave during projection.)
Line 45: Line 45:


=Weave=  
=Weave=  
Lateral (side to side) movement. The most common mechanical cause is worn, dirty, or damaged [[lateral guide rollers]]. Less common is excessive play in the Starwheel Shaft Thrust Collar, which would cause the intermittent sprocket to move from side to side during projection. Weave can also be caused by film [[shrinkage]], and can also be printed in.
Lateral (side to side) movement. The most common mechanical cause is worn, dirty, or damaged [[lateral guide rollers]], or by acetate film that has been trimmed or beveled to remove edge tears. Less common is excessive play in the Starwheel Shaft Thrust Collar, which would cause the intermittent sprocket to move from side to side during projection. Weave can also be caused by film [[shrinkage]], and can also be printed in.


=Visible Negative Splices=
=Visible Negative Splices=
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