Re: Pentax 135/2.5 with malfunction?

[Norm Baugher]

At that price, and it sounds mechanical, I would think taking a shot on 
getting it fixed would be well worth it...
Norm

Henri Toivonen wrote:
I got a good deal on a SMC 135/2.5, very cheap, but it doesn't work 
properly.
The aperture lever on the back isn't working. It moves but doesn't 
affect the aperture at all.
There isn't oil in there, it's somekind of mechanical thing.

Clues? Easy to fix? Worth the effort?
I would be getting it for some $20-25.