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Cleaning Photometric filters

CNY
CNY's picture
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Joined: 2010-07-23

While handeling my 1.25" V johnson, I touched the surface with my finger briefly. What is the best procedure for cleaning the filter? Thank You...

----Andy

cleaning filters
SNH01
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Joined: 2011-01-29

Since I had the same problem (now I use one-way-nitril-gloves):

First, try using a clean micro-fiber cloth. If this doesn't do the job alone, there are special liquids for coated optics.
But always be careful and very gentle ;-)

Greetings
Katy

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484