Рет қаралды 5,801
There was A LOT oil on the aperture blades in this Mamiya-Sekor-C 1:2.8 f=45mm, but it's not that hard to fix. Just REMEMBER to set small mark's, so the aperture is correct again when you assemble the lens again.
I use Isopropylalcohol 99% to clean the aperture system.