Summaron 2.8/35 CLA

[jc_braconi]

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Summaron 2.8/35 CLA also an old lens autopsy.

Found some picts, made some years ago, about dismantling a Summaron 2.8/35 screw mount, for cleaning, lubricate and adjust,

things you can do when you have the right tools.

You can see with all the pieces cleaned that is not "mechanicaly" simple as a Summicron 2/50 lately posted.

 

 

 

[Guest Ron (Netherlands)]

Thank you JC. Guess you started with unscrewing the black ring on the back?

Could you provide further info on the different steps looking at the parts in your pictures?

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[jc_braconi]

Yes, but usually this collar is tightened so preventing to damage the 2 slots I untight it by using the two clamps externally.

After using the spanners you can unscrew an remove it.

Next step is to unscrew/remove the 3 external screws and remove the plate and the infinity lock.

I do not clearly remember the next steps now as time is passed.... (I have to do it again to explain) but the following operations are conducted by what you will see inside,

Just note the position of pieces with a pen marker when you unscrew them.

I think the picts can help.