Hugo Knapp Share Posted April 25, 2020 Hi there, Would anyone happen to know what an 'MDA' filter is? Or what filter it stands for? I was sparking on a set recently (just before the whole virus thing) and I noticed the DP's matt box on the shoot had an 'MDA' lable on it as well as a Pola for polariser. Just curious to know what the filter was. Cheers Quote Link to post Share on other sites
David Mullen ASC Sustaining Member Share Posted April 26, 2020 Maybe it was NDA for a ND attenuator? Quote Link to post Share on other sites
Hugo Knapp Author Share Posted April 26, 2020 Could be... A friend of mine just told me he's seen on instagram another DP using these and apparently it's some kind of secret vintage diffusion filter? Who knows... Quote Link to post Share on other sites
Stuart Brereton Share Posted April 26, 2020 Ah, DPs and their secret vintage filters.... đ Â 1 Quote Link to post Share on other sites
Gregory Irwin Sustaining Member Share Posted April 26, 2020 Mitchell Diffusion? Donât know what the A would stand for.  G 1 Quote Link to post Share on other sites
David Mullen ASC Sustaining Member Share Posted April 26, 2020 No, that makes sense, Mitchells came in strengths A through D or E I think -- I guess the "D" (for diffusion?) was unnecessary, you'd label it M-A if a Mitchell A filter. It's in this collection of tests: I used Mitchells for a few shots of one actress on my second feature, never used them again -- I felt that they just threw the focus off! The Tiffen Black Diffusion/FX is a better design of the same idea. 1 Quote Link to post Share on other sites
David Mullen ASC Sustaining Member Share Posted April 26, 2020 Speaking of filters, I see that Tiffen now has "antique" versions of their diffusion line... what does that mean? I'm guessing they put their lightest grade of Antique Suede as a base color. 1 Quote Link to post Share on other sites
Gregory Irwin Sustaining Member Share Posted April 26, 2020 1 hour ago, David Mullen ASC said: No, that makes sense, Mitchells came in strengths A through D or E I think -- I guess the "D" (for diffusion?) was unnecessary, you'd label it M-A if a Mitchell A filter. It's in this collection of tests: I used Mitchells for a few shots of one actress on my second feature, never used them again -- I felt that they just threw the focus off! The Tiffen Black Diffusion/FX is a better design of the same idea. Of course!!!  Mitchells do come in strengths of A-E.  I should have known since I own two sets!  Mitchell Diffusion A is the lightest diffusion in the set. G Quote Link to post Share on other sites
Hugo Knapp Author Share Posted April 26, 2020 Interesting! This definitely sounds like the most plausible answer. Thank you David and Greg!!đđ» Quote Link to post Share on other sites
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