Thread: 1.25 v 31mm filters
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Old 23-11-2018, 10:12 AM
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Loupy31 (Peter)
Invented the Four Track

Loupy31 is offline 		 
Join Date: Jun 2005
Location: Clayton SA
Posts: 328
1.25 v 31mm filters
Hi guys, what is the difference between the 2 filter sizes, the physical size is .7mm, but why are have 2 so similar ??

Peter
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