Top critical review
Caution - the CPL in this set is Useless. No matter how it is rotated, skies do not darken as they should with any working one!
on 24 June 2016
Caution: the CPL in this set does nothing whatsoever - no matter how it is rotated. I'm not the only reviewer to say this either. Also, I've owned several working CPLs before this Polaroid one. In other words, if you're looking for a polariser which works - the one in this set is next to useless.
UPDATE: If you need a CPL you really should consider buying this one instead, as I now know it to work just as a good CPL should:Hoya 46 mm Slim PL-CIR Filter
I will test others for my wife's 46mm lens, and edit this review when I've discovered one which simply works well, as a polariser (and any that I've owned previously!) should. For anyone who isn't aware, a true CPL filter should, when rotated, clearly darken skies and very noticeably bring out deep blues in the sea, skies etc. All that I've used previously did just that. Meanwhile...