I found a recipe for overhauling the Industar 61 and 26.
Matt's Classic Cameras: Industar 26 and 61 Relubing
Wow you've a lot more guts than me... I wouldn't dare try for fear of not being able to put it back together again!I've now overhauled the lens. It is like new! It was a quick and easy operation.
I've now overhauled the lens. It is like new! It was a quick and easy operation.