Try this before you pull the aperture apart in your lens. It may be a simpler fix in the mount. This is not a guarantee but a quick check. If you see oil on the blades then you will have to pull the aperture. However this might be a simple fix.
This video shows how one can disassemble, repair, and reassemble these Promaster MC and Marexar CX MC 28mm 2.8 lenses. The problem is not always the aperture but more likely just the mechanism in the read mount that gets sticky from old grease.
These two videos show how to disassemble and repair a Minolta 58mm f/1.4 PF MC lens and then reassemble. Some people are converting this beautifully built lens to digital by removing the mount and making modifications as well as adding a M42 Adapter ring. The demonstration is broken down into two videos you can see […]
This little Chinon 50mm f/1.9 Auto is a lightweight lens but is built pretty cheaply. Also Optically it is simply not too exciting. Chinon usually produces some decent lenses, but this is not one of them.
If you want a fast & super tiny lens then this Pentax M 40mm f/2.8 SMC easily fits into your pocket and is fun to use. Image quality isn’t amazing but it has very little distortion and almost no ghosting.
This unique & sharp Helios 58mm f/2 44-2 lens has a nice and narrow mount with the rear element sticking out. This feature makes the lens great for Lens Whacking or Free Lensing. For normal, still photography this M42 lens does a good job and has the 58mm focal length I prefer over a 50mm. This […]