Ben J. Posted February 24, 2017 Share Posted February 24, 2017 So I'm planning on using a full frame camera with a canon 16-35mm lens at 16mm meant for full frame, and I wanted to use a polarizer and another filter stacked on. The question I have is can I fit 2 stacked screw on filters without vignetting happening? If not, would well built step up rings with the filters going from native 77mm to 82mm get rid of vignetting? Here are the filters https://www.bhphotovideo.com/c/product/1141525-REG/b_w_1081478_77mm_xs_pro_mc_kaesemann.html https://www.bhphotovideo.com/c/product/902702-REG/Schneider_68_091277_77mm_Hollywood_Magic_1_2.html (this would be in front because of no front filter thread) Quote Link to comment Share on other sites More sharing options...
webrunner5 Posted February 25, 2017 Share Posted February 25, 2017 Are we talking for photos or video? Unless you are shooting 4k I would think 1080p output would be pretty soft especially using the Hollywood Black Magic 1/2 Filter. I would not think using the 2 of them together would produce much vignetting. Lots of people shot with a Polarizer and say a UV filter at the same time. But you are going to loose a stop or two using both at the same time. Quote Link to comment Share on other sites More sharing options...
Ben J. Posted February 25, 2017 Author Share Posted February 25, 2017 1 hour ago, webrunner5 said: Are we talking for photos or video? Unless you are shooting 4k I would think 1080p output would be pretty soft especially using the Hollywood Black Magic 1/2 Filter. I would not think using the 2 of them together would produce much vignetting. Lots of people shot with a Polarizer and say a UV filter at the same time. But you are going to loose a stop or two using both at the same time. Video on the a7sii at either resolution but 4k is a main thing I will be shooting in, and with canon L lenses. Hopefully like you say on a fullframe, 2 filters is okay to use, as I am looking to have both without cropped corners/vignetting. I just didn't know since 16mm is a very wide degree/angle. Quote Link to comment Share on other sites More sharing options...
tupp Posted February 25, 2017 Share Posted February 25, 2017 You can rent/borrow a 77mm and/or 82mm filter(s) and just hold/tape it in front of your lens to check for vignetting. Position it slightly forward to simulate two stacked filters with the added length of a step-up ring (and the extra millimeter or two from a polarizer). You could also just buy/rent a big matte box with the same filters. webrunner5 1 Quote Link to comment Share on other sites More sharing options...
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