Radius8
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- Nov 14, 2017
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One can quickly test polarizer orientation by using good quality polarized sunglasses which are typically (not always) polarized vertically, though some may be at 45 degrees. Hold the polarizer behind the sunglasses and rotate the polarizer until maximum transmission of light. Mounting the polarizer in that orientation should get you close to what Dashmellow demonstrated.
Also, circular polarizers have a "front and back". To tell which side should face the camera, hold the polarizer in front of a mirror. If you can see your reflection through the polarizer then the side that is facing you is the side that should face the camera, otherwise flip it around. If you see no difference between sides, then you have a linear polarizer and not a circular one. Either linear or circular work with our cameras. You really only need to use the circular for mirrored SLRs.
Also, circular polarizers have a "front and back". To tell which side should face the camera, hold the polarizer in front of a mirror. If you can see your reflection through the polarizer then the side that is facing you is the side that should face the camera, otherwise flip it around. If you see no difference between sides, then you have a linear polarizer and not a circular one. Either linear or circular work with our cameras. You really only need to use the circular for mirrored SLRs.