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Thread started 19 Jun 2007 (Tuesday) 14:41
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How to clean a B+W Circular Polarizer?

 
kster
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Jun 19, 2007 14:41 |  #1

I tried cleaning my CP a few days ago with lens fluid and lens tissue but it left small purple lines. What's the right way to clean a CP?

thanks,


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canonphotog
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Jun 19, 2007 14:48 |  #2

I'd start the way you did and finish with a lens cleaning microfiber glass and your breath. It will take time with the cloth and your breath, but you should be able to get it streakless again.


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MueveloNYC
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Jun 19, 2007 18:00 |  #3

I don't trust reusable cloths anymore (as they touch your fingers and get more oil). I keep a bag of pec-pads in my gig bag all the time now (throw away when done). Use that and your breath, works everytime. For really bad stuff, I use the Hakuba lens pen. Saved my butt when a seagull nailed the polarizer with bird crap!


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JohnJ80
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Jun 19, 2007 22:31 |  #4

any of these methods works - also look at a lens pen. Works great in my experience.

I only have B+W filters, and the lens pens work very nicely on them.

J


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kster
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Jun 20, 2007 09:17 |  #5

Thanks for the info guys!


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Rockfreak300
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Feb 18, 2008 18:17 |  #6

Fantastic thread. I was just going to make a new thread on this but I'm glad I found this first.

I just bought a B+W 77mm CP for my 70-200 and 24-70 and managed to get some sort of residue on the CP which spread massively by me trying to clean it.

What do you all think is the safest route to take? I haven't had any experience with a lens pen, someone enlighten me? :)

I know there is are also cleaning liquids you can use but I have always been a bit hesitant to throw liquid on a $150 multi-coated CP in fear of doing even worse to it.

Any ideas and suggestions are appreciated. Thanks guys!

- Chris




  
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JohnJ80
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Feb 18, 2008 23:37 |  #7

It is only glass. You can pretty much clean it the way you would clean any optic quality glass.

J.


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michael_
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Feb 18, 2008 23:50 |  #8

JohnJ80 wrote in post #4946469 (external link)
It is only glass. You can pretty much clean it the way you would clean any optic quality glass.

J.

have you used it before? its a bit more of a **** than just glass, i tried everything and found LEE filter spray with a zeiss lens tissue seemed to do the best job of removing the streakes but it was never perfect but never showed up in photos.


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Tsmith
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Feb 18, 2008 23:57 as a reply to  @ michael_'s post |  #9

This stuff works for me >Formula MC (external link)

IMAGE: http://www.2filter.com/img/Mcc.JPG



  
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jhom
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Feb 19, 2008 00:07 |  #10

For hard to clean glass I use denatured alcohol with lens tissue as recommended by a tech I spoke with from Hoya. It does a great job.


Jim

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JohnJ80
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Feb 19, 2008 00:09 |  #11

CIDER wrote in post #4946545 (external link)
have you used it before? its a bit more of a **** than just glass, i tried everything and found LEE filter spray with a zeiss lens tissue seemed to do the best job of removing the streakes but it was never perfect but never showed up in photos.

I have about 15 B+W filters including 3 CPs.

I just use either a lens pen or my eyeglass cleaning fluid with a micro fiber cleaning cloth - same thing I clean my glasses with and and all my lenses.

No big deal.

J.


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crayfish13
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Feb 19, 2008 00:21 |  #12

MueveloNYC wrote in post #3406345 (external link)
Saved my butt when a seagull nailed the polarizer with bird crap!

were you looking through the view finder when it happened?


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bryank930
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Feb 19, 2008 08:55 |  #13

jhom wrote in post #4946644 (external link)
For hard to clean glass I use denatured alcohol with lens tissue as recommended by a tech I spoke with from Hoya. It does a great job.

Thats interesting. I would think that denatured alcohol would be a little harsh to the coatings on the filter.


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Tapeman
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Feb 19, 2008 08:59 |  #14

Breath & micro fiber cloth.


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Rockfreak300
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Feb 19, 2008 09:31 |  #15

bryank930 wrote in post #4948291 (external link)
Thats interesting. I would think that denatured alcohol would be a little harsh to the coatings on the filter.

+1

That's interesting though.

Thanks for some of the tips everyone, I will be trying at least one of them out soon!




  
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How to clean a B+W Circular Polarizer?
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