470
edits
Scratch Test: Difference between revisions
→Reel-to-Reel Method
JesseCrooks (talk | contribs) (→Related Pages: Linked to Test Film) |
JesseCrooks (talk | contribs) |
||
| Line 23: | Line 23: | ||
===Reel-to-Reel Method=== | ===Reel-to-Reel Method=== | ||
Prepare 50-100' of test film on a house reel. Project as normal, rewind, and repeat several times (50-100 is ideal, 10-15 may be more practical). Check for scratching on screen and/or on the bench when rewinding. Keep track of base and emulsion side so you can evaluate if anything shows up. | Prepare 50-100' of test film on a house reel. Project as normal, rewind to maintain the same orientation, and repeat several times (50-100 is ideal, 10-15 may be more practical). Check for scratching on screen and/or on the bench when rewinding. Keep track of base and emulsion side so you can evaluate if anything shows up. | ||
This method is most useful for evaluating vertical scratching. | This method is most useful for evaluating vertical scratching. | ||