Leica M4 - Vertical Banding

dscelfo

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Recently purchased a Leica M4 from a forum member and these are some shots from the first roll. The banding doesn't appear in every photo, but these were, I believe, all taken at the same shutter speed (1/60th).

The slowest shutter speeds stick (1/2 and below) but the seller never used them and wasn't aware. Just curious if this issue is diagnosable from these scans.

Thanks!
 

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My first inclination is that it is shutter drag; The curtains aren't traveling at a constant speed across the film plane.
 
Yep, shutter dragging. The speed across the screen isn't constant, and the gap width is not constant across the film opening.

Typical issue if the shutter bearing lubricant is dry, and likely since your slow speeds are not working correctly.

The fix is to open the camera up, lubricate the bearings, and recalibrate the shutter speeds. And to check the brake. If you had a band next to the edge, it would be shutter bouncing (not closing positively).
 
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