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| p.1 #1 · Uneven Aperture Blades |
I recently came across a great deal on a Zeiss 100mm zf.1 makro-planar locally. I checked the lens out today and it looks great with one exception - the aperture blades were uneven. The unevenness was more apparent at smaller apertures, and as the lens opened up became less of an issue. It seemed one of the blades sometimes didn't sit flush with the rest of the group, which I felt was probably causing the non-symmetrical look. The unevenness was not consistent. Sometimes the shape of the blades was completely symmetrical, sometimes it was a bit distorted and uneven.
Is this a real problem? Will it be a liability issue down the road with the lens? Is this a reason not to buy the lens?
The link below has a picture example of what I'm talking about. The Zeiss I saw was probably a little worse than this.