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Summaron 35mm f3.5 repair

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Hello, I'm new to this forum and I'm seeking some experienced advice.


I recently purchased a Leitz Summaron 35 f3.5 with goggles from eBay at a very reasonable price - for a reason - the rear element has considerable haze/fog that is noticeable on every image.


I've been reading on the web that it is possible to clean the glass and even to DIY it:


Removing Haze from Leitz 35mm F/3.5 Summaron Lens - DJCPHOTO.COM


Now, I've tried going ahead with the instructions provided by the link above but I'm finding it impossible to remove the rear lens retaining ring. In addition, I have unscrewed the focusing helicoid and I think I have not been able to put it back together correctly.


Apart from sending my lens to more competent hands, does anyone have other advice or guidelines for cleaning the lenses (and putting the focusing helicoid back correctly...) myself?


Thanks for your time

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Sending it to 'more competent hands' is surely the better way to proceed? In the UK Malcolm Taylor does a fine job if you discuss the problem with him beforehand.

See also Customer Forum > Repair Specialists for other countries across the world.

Edited by microview

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You do not need to remove the rear retaining ring.  Remove the "Summaron 35mm 1:3.5 ...." ring and the ring that

holds down the front lens.  Once this is done, you have to gently pry out the front lens.  Using a hair dryer to

apply some heat will probably help to dislodge the front lens.  Once the front lens is out, you can clean the inner lens by opening

the aperture.

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