AaronJ Posted February 17, 2007 Share #1 Â Posted February 17, 2007 Advertisement (gone after registration) I was just down at Tamarkin picking up a new B+W 46mm 486 IR-CUT filter and asked how the filter would effect film (ie "can I just leave the filter on even if I am switching between my M8 and my M7?") He wasn't sure but assumed that the IR-CUT would have no real effect on the color of film exposures (slide or negatives.) Can I get a second opinion on this? Link to post Share on other sites More sharing options...
Advertisement Posted February 17, 2007 Posted February 17, 2007 Hi AaronJ, Take a look here Effects of IR-CUT Filter on Film?. I'm sure you'll find what you were looking for!
carstenw Posted February 17, 2007 Share #2 Â Posted February 17, 2007 The UV-IR filter cuts ultra-violet and infrared light, no matter where the light goes behind the filter. If the film is not sensitive to either, no harm done. The one possible exception is the potential for extra reflections due to the filter, but from reports, it seems that it is just as likely to remove reflections, so I would not worry about that either. I don't plan to remove my IR filters when using my lenses on my M6. Link to post Share on other sites More sharing options...
scott kirkpatrick Posted February 17, 2007 Share #3 Â Posted February 17, 2007 The red vignetting due to the filter can be seen on film as well as digital, and since on full frame the angle of view is larger, the effect is more obvious. So with a 21 -- 28, I would certainly recommend taking the filter off before using on a film Leica. (I've left it on for fun, but the result is a slide and i don't have a scanner to share it here.) Â scott Link to post Share on other sites More sharing options...
carstenw Posted February 17, 2007 Share #4 Â Posted February 17, 2007 Oops, you are so right. I was only thinking of vignetting, not colour shifts. Yes, some testing would be in order with wider lenses. Link to post Share on other sites More sharing options...
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