How to lubricate the focus thread on collapsible LEICA M SUMMICRON f=5cm 1:2 PTFE grease mo

Описание к видео How to lubricate the focus thread on collapsible LEICA M SUMMICRON f=5cm 1:2 PTFE grease mo

It took me loooong time to figure out how to come in to the focus system, because there where no screws that you could screw out.
Before disassemble, just loosen the little set screw on the back of the lens (NOT nesserary to take it out)... AND..., REMEMBER TO LOCK THE LENS AT THE OPEN POSITION...

A closer look at the ring on the focus block, i found out that i just could use a rubberdisc to take it off from the front, as you can see in the film. REMEMBER to do a mark when the helical is going off the thread, so you easily put it back again.
I use a little PTFE grease and it works fine.

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