Joined: Sun Jan 11, 2015 4:08 pm Posts: 381 Location: Lyon, France
I need a polarizing filter for my refractometer because it doesn't have one. Can I use any filter like a $4 camera polarizing filter from Amazon? GIA sells them but their like $50!!!!
Also random question, does anyone know a place in Bangkok to get RI Liquid? 1.81. GIA is $150 for 10ml. Cargille is $200 with shipping.
Joined: Fri May 12, 2006 11:24 am Posts: 7523 Location: Rome, Italy
of course you can use any suitable filter but be careful to choose a "linear polarizer" filter (marked "PL") instead the nowadays most common "circular Polarizer" ones.
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
Bill Hanneman wrote:
dchallener wrote:
American science and surplus sells them very cheap.
Is that an advertisment? I give them away.
I have a stack of them too Justin. PM me your address and I'll send you a couple on Monday. I have to go to the post office to return things to nickatnight.
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