Upload & Sell: On
| p.1 #6 · Sigma 35f1.4 Nikon, Over Exposure past f4 |
Yes, sounds like a sticky aperture. It's more common with older lenses with some oil that has migrated out of the helical, but it can happen to new lenses once in a while, too. Definitely frustrating -- but also something that is usually easy enough to fix.