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06-26-2009, 01:42 PM   #1
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cleaning the body of a lens

I was wondering if there is a way to clean a lens that has scratches on the body (not the glass)

Thanks

06-26-2009, 04:07 PM   #2
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what do you guys think about that?

Paint, Flat Black Touch Up Pen - Part #: 15102-F
06-26-2009, 04:49 PM   #3
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QuoteOriginally posted by redpigeons Quote
what do you guys think about that?

Paint, Flat Black Touch Up Pen - Part #: 15102-F
The paint on your lens might not be flat (or matte). It could be gloss or semi gloss.

Use a very, very fine sable or squirrel brush or even a pin.

Dilute the paint considerably so that it flows readily. It is best to put on several thin coats to bring the paint to the same level as the original finish.

For very tiny touch ups you could use a fine felt marker pen. However, I have yet to see a truly black marker. They usually have a red or purple tint which becomes noticable on larger touch ups.

Mickey
06-26-2009, 09:03 PM   #4
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QuoteOriginally posted by redpigeons Quote
what do you guys think about that?

Paint, Flat Black Touch Up Pen - Part #: 15102-F
I have used paint pens similar to this. The key is to apply the paint over the scratch and quickly wipe the excess away leaving only the paint in the scratch.

You can also get white, red, green, tan, and other colors appropriate for touching up embossed lettering. I have a XR Rikenon that lost many of its numbers as I was removing tobacco residue from the barrel. The white paint pen did a great job of filling in the embossing such that you cannot even tell that the numbers had been redone.

Steve

P.S. You might want to test on an unexposed area to make sure that the paints are compatible. The thinner components in some paints may damage other paints.

P.P.S. I was told about the paint pen by the camera repair guy. I suspect that they use them as part of the clean-up process for used lenses they are preparing for sale.

P.P.P.S. You might also want to try the ultra-fine tip black Sharpie pen.


Last edited by stevebrot; 06-26-2009 at 09:09 PM.
06-27-2009, 03:57 AM   #5
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Related to this issue is what product can you use to freshen up the rubber grips on the focussing rings? I have a build up of whitish powder, (dried sweat, finger tip skin, salt spray?)can I use that silicon based stuff used for rejuvenating plastic and vinyl car interiors?
06-27-2009, 06:37 PM   #6
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For that I'd just use a q-tip with water on it and the dab off the excess water with a paper towel. It's what I've done in the past. I prefer to just do it the simplest way possible.

QuoteOriginally posted by Arjay Bee Quote
Related to this issue is what product can you use to freshen up the rubber grips on the focussing rings? I have a build up of whitish powder, (dried sweat, finger tip skin, salt spray?)can I use that silicon based stuff used for rejuvenating plastic and vinyl car interiors?
06-28-2009, 06:01 AM   #7
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Thanks Votesh - no harm done for this method - will see if it moves the gunk and let you know.
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