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Stacking polarizers to make variable ND
#1
I do own two circular polarizers
I read to make variable ND I need a circular in the back plus linear polarizer in the front
however two CPL can be used if the front filter is reverse mounted, is that true ? would it work ?
  


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Stacking polarizers to make variable ND - by toni-a - 01-09-2021, 04:42 PM

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