CPL filters with just one glass?

Started 3 months ago | Discussions thread
OP TMHKR Forum Member • Posts: 70
Re: CPL filters with just one glass?

BBbuilder467 wrote:

I just took a look at a Hoya and both sides rotate at the same time. The ND faders rotate seperately,, I've never noticed it with a linear or circular polarizer.

When I hold it up to the monitor, the linear goes dark from both sides, th CPL from only one. If it goes dark, it works. That's all that matters. I've got cheap ones that work as well as my expensive ones.

Yes, the monitor goes dark when I rotate them.

So you say there might be two glass elements that both rotate, and are so close together they appear as just one glass?

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