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How many coating layers do yall use?
How many coating layers do yall use? Beginner using a6000 16/50 3.5-5.6. I received a gift the other day, a CPL filter. It's my first filter and never heard of filters. I research filters in general and I have a pretty good understanding of how they work. The one I have is a K&F 40.5mm 18 layer. I found that there are different coating #. I just want to ask how many layer coatings ...
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