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Classic Camera Repair » Archives-2008 » Cleaning lens elements on Zeiss Super Ikonta tessar f2.8 « Previous Next »

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Walter23
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Username: Walter23

Post Number: 1
Registered: 06-2008

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Posted on Saturday, June 28, 2008 - 10:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have a Super Ikonta BX with the selenium meter on the top and the tessar f2.8 lens (coated, labelled optar). I need to clean the interior of it of fog. Is there a way to remove the front or rear cells? There's a slotted ring that looks like it would be used to remove the rear group with a spanner wrench, but it won't budge and I fear it might be cemented in. Is there any other way?
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Walter23
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Username: Walter23

Post Number: 2
Registered: 06-2008

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Posted on Saturday, June 28, 2008 - 11:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

BTW, I think the fog is just on the inside by the aperture (ie, on an outer surface of the rear group), so if I can remove the whole group (like removing the rear of a large format lens in shutter) it shouldn't be too hard to clean.
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Walter23
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Username: Walter23

Post Number: 3
Registered: 06-2008

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Posted on Saturday, June 28, 2008 - 11:26 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I looked more closely and the fog actually appears to be on the element immediately behind the front, rotating / focusing element. The fog does not rotate when I rotate the front, but it's definitely in the front part of the lens.
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Msiegel
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Username: Msiegel

Post Number: 30
Registered: 03-2008

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Posted on Sunday, June 29, 2008 - 06:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Walter,
you may want to have a look here:
http://photo.net/medium-format-photography-forum/007Xd3
Hope it helps.
Martin
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Walter23
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Username: Walter23

Post Number: 4
Registered: 06-2008

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Posted on Sunday, June 29, 2008 - 10:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Thanks.

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