Accidentally left 2.3x 85b filter on

Hi all, thanks for all of your great advice that I’ve turned to again and again over this past year as I’ve gotten into film.

I recently created a big mess that I’m hoping you can help me resolve. I love the look of Fuji NPS 160 that I’ve seen on the internets and I’ve just shot my first roll. It expired in 2004 (unknown storage conditions), so I rated it at EI 80. I then proceeded to accidentally leave my 85b filter (2.3x) on and shot the entire roll. The 2.3x filter factor I understand needs about 1-1.5 stops compensation.

One of the shots (people shot) on the roll was I think one of my favorites of the vacation I’m currently on and I would really hate to lose it. I know a fair amount of digital color correction can be done in post, but I’m just wondering what would be best to salvage this situation. Is it even possible to preserve any of the NPS color fidelity? I was thinking of just pushing 1 stop and hoping the film was stored well? Any suggestions for dealing with the 85b color in Lightroom?

thanks!

I rarely use color film so I can't give you technical advice. Why not cut some of the film from the roll and develop and edit as you think is the best way to go. That way you will only sacrifice a few frames instead of the entire roll. If you were originally correct you will only have cut one frame somewhere possibly in the right spot if lucky.

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You don't say if you're using a camera with an in-camera meter or not. If so, you are fine as far as exposure is concerned, you'll just have to deal with the color shift. If not, then it's underexposure and color shift. However, since you rated the film at half-speed, you may not have as much underexposure as you think. Plus, color neg film is fairly forgiving, so you may be alright. There's really not much you can do in the way of manipulating the processing to compensate.

Doremus

jeffreyg said:

I rarely use color film so I can't give you technical advice. Why not cut some of the film from the roll and develop and edit as you think is the best way to go. That way you will only sacrifice a few frames instead of the entire roll. If you were originally correct you will only have cut one frame somewhere possibly in the right spot if lucky.

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This is good advice and I think I will do this. I know that the important frame is near the end, so what I'll do is run the film back through the camera in the dark and advance to frame 1. Then I'll open it up and clip it close to the margin of the exposure to maximize the chance that I cut between frames. It's some extra work, but hopefully it will be worth it.

I shot with a Rolleiflex MX with handheld meter, so it was definitely at EI 80. The reason why I had the 85B on in the first place is that I had just shot a roll of Ektachrome 64T. I had gotten a frozen brick for cheap, but that was clearly a mistake with the cost of the filter and lab-only processing (not willing to do home E6 yet). I've really enjoyed shooting film but man it's expensive!

If you've got Ektachrome 64T, save it for indoor work under tungsten light where it excels. It's really beautiful in that application. Other films will give you better daylight results.

Doremus