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Topic: Wanted: Lens Filter to Correct Red Shift

Mathew James
Jedi Master Film Handler

Posts: 740
From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted June 29, 2016 05:15 PM

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Hi All,

I have a film(Columbia:Mysterious Island) that has shifted to red. Other than this issue the print is pretty good...good contrast and quality, and good sound.Looking for a better copy is always a possibility perhaps, but I was thinking that there may be a way to view this film and bring back some lost colour?

Has anyone had success using a filter? What kind? In Canada, we have Henry's everywhere and I would like to know what i should try to look for... Thanx in advance for any insight.

ps: This is for my elmo ST1200HD so if something fits perfectly....

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Cheers,
Matt 📽

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David Fouracre
Expert Film Handler

Posts: 123
From: Staffordshire, United Kingdom
Registered: Aug 2013

posted June 29, 2016 05:24 PM

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Hi Mathew,

You need a cyan filter. These are graded in various "steps" 3,6 etc. and you will find the suitable grade is dependant on the degree of fade(magenta) on your print. Obtain from photo dealer in acetate or mylar sheet (typically 100mm square).
I would suggest you try a Cyan 3 to start and see how you get on.
All the best.

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Mathew James
Jedi Master Film Handler

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From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted June 29, 2016 05:28 PM

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Wonderful! Thanx for that info David!
I will indeed go out and try this and will look forward to seeing how it goes.

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Cheers,
Matt 📽

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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

posted June 29, 2016 05:40 PM

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Hi Matthew...I bought a set of these filters off Ebay and they have worked well depending on how red your film is.

http://www.ebay.com/itm/16mm-film-ELMO-COLOR-CORRECTION-FILTER-fits-ELMO-16CL-PROJECTOR-LENS-not-scope-/201595145444?hash=item2ef001cce4

You can use the 3 filters individually or in combination...you'll have to experiment. The seller provides 3 filters that fit into a molded cap that fits over your lens. His listing is for 16mm...but just give him the circumference measurement of your 8mm lens and he'll make a custom cap for that lens. I had him do this for me.

I also bought some filters from Gerald Santana a while back. His blue filter worked very well also... however he is currently out of stock of the gels.

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Steve Klare
Film Guy

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From: Long Island, NY, USA
Registered: Jun 2003

posted June 29, 2016 06:21 PM

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I'm glad to "hear" you "say" that Janice, I ordered a set of those ebay filters this afternoon.

I have a couple of features: nice sound, good sharpness, good movies too, just a touch too red to show to an audience.

-we shall see!

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All I ask is a wide screen and a projector to light her by...

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Brian Fretwell
Phenomenal Film Handler

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From: London, UK
Registered: Jun 2014

posted June 30, 2016 04:24 AM

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I'll have to look for the ones that came with the Durst 35mm film enlarger I used for printing. I think there were 3 densities with that - the yellow and magenta were adjustable by sliding in before the reflective diffuser and not removable. They might work for me.

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Mathew James
Jedi Master Film Handler

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From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted June 30, 2016 09:00 AM

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Thanx for the link Janice! Those look great as well..

I am going to run into Henry's today to see what they have..I may pick up an acetate and try to make one myself first, and then graduate to a custom fit... I am thrilled to know some sort of 'fix' can be done to improve the film. Looking at the pics in your link really show what the filters can do.

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Cheers,
Matt 📽

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Mathew James
Jedi Master Film Handler

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From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted July 14, 2016 11:20 AM

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I was unsuccessful tracking this down locally at Henry's or others...so I am now going down Janice's suggested direction! I hope the ebay seller will make one to fit my elmo! I will update any news one i hear back from them!

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Cheers,
Matt 📽

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Maurice Leakey
Film God

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From: Bristol. United Kingdom
Registered: Oct 2007

posted July 14, 2016 02:59 PM

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Mathew
You may find this Canadian site of interest.
https://www.vistek.ca/results/ProVideoLightingFilters/filters-lighting-gel%20sheet/Gelatin-Sheet.aspx

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Maurice

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Janice Glesser
Film Goddess

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From: Sunnyvale, CA USA
Registered: Sep 2011

posted July 14, 2016 03:49 PM

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Identifying the best blue gels for filters is a lengthy trial and error process. There are hundreds of different gels and colors. I figure the guy on Ebay has already gone thru this process and has made a workable selection for the majority of faded prints he has tested.

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Michael Lattavo
Expert Film Handler

Posts: 160
From: Canton, OH, USA
Registered: May 2014

posted July 14, 2016 06:20 PM

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I've got those same filters Janice - love them!

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Steve Klare
Film Guy

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From: Long Island, NY, USA
Registered: Jun 2003

posted July 17, 2016 10:42 PM

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I got mine the other day. I'm pretty impressed!

Once you get past the expectation that this will take your red-faded print and make it instant Kodachrome, they do make a substantial improvement. This is compromise: better, never perfect.

Basically what I see happening here is it seems to turn red more into brown. What I liked is it did a pretty decent job correcting a classic red-print problem: Planet Earth in a red-faded film doesn't have blue skies: they are gray. Now, they are actually blue again: maybe not noon in the Caribbean, but at least a Winter afternoon in Canada kind of blue.

The colors are muted. In many a red faded print, the reds are spectacular...now, not so much. You lose some brightness on screen, but then again, a faded print is actually brighter than it really should be to begin with.

I have a fairly red print of "When the North Wind Blows". I ran it this weekend with the filters: picking and choosing. I reached the point where what was on screen looked pretty good. What is telling is when I took the filter off and saw what the print really looked like, I put it back right away!

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All I ask is a wide screen and a projector to light her by...

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George Seaton
Junior
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From: Liverpool, UK
Registered: May 2016

posted July 18, 2016 07:36 AM

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I've been very happy with my set, they have noticeably improved the colour of pink and fading prints. As an added bonus they also sharpen up 3D, I have the Universal 8 3D 400' digest of 'Creature From The Black Lagoon' and the Gill-man swims out of the screen in all his pin sharp glory again.

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George

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Douglas Warren
Master Film Handler

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From: West Chester, OH, USA
Registered: Feb 2008

posted July 18, 2016 07:49 AM

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I too have a set (for my Kodak Pageant 16 mm projector) and they're very good. I plan on getting more made for some of my other projectors ( Super-8 & 16 mm.)

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Turn out the lights,the movie is starting!

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Mathew James
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From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted July 18, 2016 12:54 PM

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Rick contacted me last week and is making one for my elmo this week. I am gonna use it on my 1.1 elmo lens which measures 15cm circumference(1 3/4" diameter), which is 45mm.
I cannot wait to get these and try them out!

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Cheers,
Matt 📽

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Douglas Warren
Master Film Handler

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From: West Chester, OH, USA
Registered: Feb 2008

posted July 19, 2016 04:14 AM

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Matthew, I think you'll be very pleased with your set. As Steve pointed out, once you use them on a film and them remove it, the difference really stands out!

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Turn out the lights,the movie is starting!

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Mathew James
Jedi Master Film Handler

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From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted July 26, 2016 12:48 PM

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So exciting!
Just found out today Rick finished with the color correction filter set and it is on its way!!!

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Cheers,
Matt 📽

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Mathew James
Jedi Master Film Handler

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From: Hamilton, Ontario, Canada
Registered: Dec 2014

posted July 29, 2016 01:14 PM

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My kit from Rick arrived today with the 3 cyan filter pieces.
I already tried it on the mysterious Island and the improvement was DRASTIC in my case!! The kids said 'Woah!' when i put it on and took it off, back and forth...you can really notice. I will fiddle with the right combo for whichever films need this.
I love this perfectly fitting lens cap.
Thanx for recommending this Janice!

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Cheers,
Matt 📽

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Janice Glesser
Film Goddess

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From: Sunnyvale, CA USA
Registered: Sep 2011

posted July 29, 2016 01:45 PM

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Fantastic Mathew! [Smile]

[Smile]

So glad to hear the filters are working for you. Any improvement in the color quality just extends the viewing life of our film collection...AND if the kids like it...well...that's all the endorsement you need [Smile]

[Smile]

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Joe Taffis
Phenomenal Film Handler

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From: United States
Registered: Jun 2003

posted July 29, 2016 02:17 PM

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After reading the reviews here, I ordered a set from Rick too! I have three or four prints that have fading colors. Looking forward to screening them again now [Smile]

[Smile]

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Joe Taffis

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Douglas Warren
Master Film Handler

Posts: 282
From: West Chester, OH, USA
Registered: Feb 2008

posted July 29, 2016 02:40 PM

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Great news and glad that you're pleased with your set! I too got mine in the other day for my Eiki 16 mm projector. I ran a print last night (an episode of "The Rat Patrol" TV series) and it really does make a difference.

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Turn out the lights,the movie is starting!

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Andrew Woodcock
Film God

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From: Manchester Uk
Registered: Aug 2012

posted July 29, 2016 04:57 PM

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It won't return true colour of any film of course, but just as Douglas has pointed out quite correctly, if you have enough lamp power to make the projected image vibrant while beaming it through a series of filters, it does improve the overall colour balance of red projected film even if never likely to completely and realistically restore any film to its former glory.

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"C'mon Baggy..Get with the beat"

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Dominique De Bast
Film God

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From: Brussels, Belgium
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posted July 30, 2016 01:37 PM

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I readed somwhere that xenon bulbs are a little bit blue and that it improves pink films, which I think hard to believe. Has anyone noticed that ?

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Dominique

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Janice Glesser
Film Goddess

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From: Sunnyvale, CA USA
Registered: Sep 2011

posted July 30, 2016 02:10 PM

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Yes, the brighter the bulb the better the filters work. I mainly use the filters on my 16mm projector. I was using a regular 250W HCL bulb on my Elmo 16CL with decent results. But, it wasn't until I replaced the bulb with a HCL-HL that I saw a significant improvement in color and brightness with the filters. The HL version cost a lot more...but the results are well worth it.

Dominique...I've never used Xenon bulb...but if the hue is blue/green then it seem logical that it would improve red tones.

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Dominique De Bast
Film God

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From: Brussels, Belgium
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posted July 30, 2016 02:25 PM

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yes, Janice. What would surprise me is that xenon bulbs are "blue". Wouldn't that affect the colours of the "normal" films ?

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Dominique

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