The lens looks very nice.

There is no scratch or other damages on the surfaces of both end glasses. There is no fungus, haze inside of the glasses.

The focusing ring turn smoothly from the closest to the infinity. The aperture blades are free of oil and works properly.

But it has two problems. There is an colorful area inside of the front group, looks like a drop of oil that needs to be cleaned. The second problem is the the M42 screw Mount can accept the end cap be fully screwed down, but reject to be fully screwed down on a M42 camera or M42 adapter. Of course, it can be screwed onto a M42 camera tightly, but not onto the right position, so it cannot be focused correctly.

End cap included. No front cap.

Sold as-is as parts or repair. No return accepted.