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redout filters
https://8mmforumworldwide.com/viewtopic.php?f=7&t=664		 Page 1 of 1
Author:  Erik Schoolcraft [ Sun Apr 29, 2012 10:25 pm ]
Post subject:  redout filters
I remember a long time ago on Ebay there was a guy selling color filters for every model of projector to help correct red films. They were basically a piece of cyan colored plastic fitted to a collar for a projector. I've seen some images from Grease which had faded but was using one of these filters and it looked off but better than beet red. Has anyone used anything like this and does it really do more than just put the color off more? I was wondering if it really corrected the color a bit or just made it less obvious.
Author:  Dan Lail [ Sun Apr 29, 2012 10:58 pm ]
Post subject:  Re: redout filters
I remember that guy. he said he was donating the sales to Veterans Of America I believe. He wanted $49.99 per pack. i never order any, I did read some forum posts back then stating he was rip off. Yeah, I remember the pic shot of a scene from Grease that was red and the after shot using one of his filters turning it to black and white. I occasionally use a bluish green filter on a beet red film with pleasant results.
Author:  Harrison Bradley [ Mon Apr 30, 2012 12:09 am ]
Post subject:  Re: redout filters
Filters only really work on prints that have barely faded, where a lot of the blue and green color layers remain, but if it's beet red it's a lost cause. With a quick experiment in photoshop, I found the best I could do to a beet red image was get an extremely desaturated image on the verge of just being black and white.
Author:  Erik Schoolcraft [ Mon Apr 30, 2012 6:03 pm ]
Post subject:  Re: redout filters
Those are kinda the results I figured on. Only have a couple films here turning. One print of the television show Mash is beet red. I have a ton of paper 3D glasses here. Maybe I should experiment holding up the cyan lens of one of them in front of the projection lens. Still what's gone is usually gone.
Author:  Erik Schoolcraft [ Sat May 05, 2012 1:35 am ]
Post subject:  Re: redout filters
Wow, that really didn't work. Held a cyan lense in front of the copy of Jason and Argaunats in reg 8 sound which was beet red. The only thing it did was send this print blue and grey. Like I said I guess is once color is gone it is gone.
Author:  Dan Lail [ Sun May 13, 2012 11:32 am ]
Post subject:  Re: redout filters
Quote:
Filters only really work on prints that have barely faded, where a lot of the blue and green color layers remain, but if it's beet red it's a lost cause.


It's like audio. If there is no spectrum of sound in all that unwanted noise, all the EQ and filtering in the world can't bring it out.
Author:  Mike O'Regan [ Sun May 13, 2012 1:51 pm ]
Post subject:  Re: redout filters
Faded is faded.
Author:  Dan Lail [ Sun May 13, 2012 6:29 pm ]
Post subject:  Re: redout filters
Quote:
Faded is faded.


Or as they say down south...parts is parts. :mrgreen:
Author:  Erik Schoolcraft [ Thu May 17, 2012 11:07 pm ]
Post subject:  Re: redout filters
Good point. As I said, once it's gone it's gone. I tried placing a cyan filter in front of the lens of my Eumig with a red film and had horrible results. It's kind of the as-is rules. Most of my digests are fine being a little faded but features that have gone beet red are just beet red.
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