Effect of a rear element off-axis scratch on imaging?
I inadvertantly put a single semi-circular hairline scratch on the rear element of a 50/1.5 C Sonnar located mid-peripherally on the glass. Fortunately, the center portion of the glass is spared so not all light rays are affected. By f/5.6 the aperture blocks any rays from reaching the affected area. Other than causing a significant loss of potential resale value, will it have any decernable effect on image quality and flare given the use of T* coating?
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Last edited by awilder : 02-21-2008 at 10:24.
Reason: reword title