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Uhoh7
Tinkerer
Username: Uhoh7

Post Number: 1
Registered: 02-2011

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Posted on Tuesday, February 01, 2011 - 01:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Here is my Kiron (vivitar) 105:

first look, aside from dust, looked good:

http://farm6.static.flickr.com/5296/5408006681_a9506d54d0_z.jpg

http://farm6.static.flickr.com/5251/5408006767_eb3cc89503_z.jpg

but at closer look, the second element (ithink) from the mount:

http://farm6.static.flickr.com/5296/5408006615_29a979312b_b.jpg

What is it?

Worth a CLA?

DIY difficult?

TY sirs
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Br1078lum
Tinkerer
Username: Br1078lum

Post Number: 46
Registered: 11-2010

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Posted on Tuesday, February 01, 2011 - 07:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

That, is a case of the fungus. Depends on what you paid for the lens, sentimental value, etc on whether you want to tear it down to fix. Soaking the element in Ponds Cold Cream, or in a 50/50 mix of Hydrogen Peroxide/Ammonia for hours or days is the recommended method. But the fungus could have etched the surface of the element beyond good use. Then it might make a good soft portrait lens, even without the fix.

PF
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Donnie_strickland
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Username: Donnie_strickland

Post Number: 105
Registered: 09-2006

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Posted on Tuesday, February 01, 2011 - 07:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

It might be fungus; I can't say for sure. It might be oil spots. Either way, I'd have it looked at; it should be removed.

I haven't worked on a Kiron 105 so I can't offer any advice on DIY repair.
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Neuberger
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Username: Neuberger

Post Number: 22
Registered: 01-2010

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Posted on Wednesday, February 02, 2011 - 07:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

PF, what makes you so damn sure, just by looking at Uhoh7's picture postcard, that what you believe to be seeing "is a case of the fungus"?
Uhoh7: Before doing anything else read this first: https://kyp.hauslendale.com/classics/forum/messages/20735/16849.html
Whoever invented this odd and vague story: Pond's Cold Cream is good for your skin, perhaps, but definitely NOT for lens surfaces.
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Gez
Tinkerer
Username: Gez

Post Number: 255
Registered: 09-2007

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Posted on Wednesday, February 02, 2011 - 08:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

The cold cream myth seems to have originated on manualfocus.org, it doesn't make any sense at all. Rinsing with water and dishwash liquid will remove the fungus, any etching to the glass will depend on how long the fungus has been present and the type and quality of the coatings.
A wipe with hydrogen peroxide solution will sterilize the surfaces.
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Br1078lum
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Username: Br1078lum

Post Number: 47
Registered: 11-2010

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Posted on Wednesday, February 02, 2011 - 10:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Nueberger, a foul tongue will get you nowhere.

PF
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Uhoh7
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Username: Uhoh7

Post Number: 2
Registered: 02-2011

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Posted on Friday, February 11, 2011 - 03:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

ty for all replies. I've had the pics at several MF forums, they all think it's haze or dried oil, not fungus. I send for CLA, since the rest is totally mint. Paid 122USD last fall.

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