Purple Provia

[RattyMouse]

Recently I got a bunch of slides back from the lab. The images contained a slight purple cast to them. All were shot in daylight (bright sun) and were either exposed right or slightly over exposed. Is this purple cast due to poor processing from the lab?

One example:

 

[RattyMouse]

Come on!!! 100 views and no one knows what is going on here??

 

[Slixtiesix]

Were these films beyond expiry date or stored in hot surroundings?

 

[RattyMouse]

Were these films beyond expiry date or stored in hot surroundings?

Not expired and stored in a refrigerator. That's why I suspect inaccurate processing.

 

[railwayman3]

I'd suspect processing, maybe stale developer if the lab is not getting sufficient throughput of films.
I had a similar issue with a UK ("Professional") lab, and a check on Kodak E6 processing problems seemed to indicate this. Another identical film, same emulsion number, taken same day with same camera, but processed at another lab, was fine.

 

[polyglot]

Their process is probably not in control. Colour shifts are usually due to pH errors in the CD bath... but I'm not seeing any purple in the scan, just huge overexposure.

 

[clayne]

Doesn't look too massively purple to me either. Surely correctable.

 

[destroya]

looks like over exposure to me. can fix any color cast you see, I don't see much, in post processing. what does the slide look like on the light table?

 

[Truzi]

No problems to my eye, purple is my favorite color

Seriously, though, I do see a _slight_ cast. However, I don't really know enough about photography to comment past that, so I defer to the comments on over-exposure.

 

[wildbill]

you'll blame the lab, the lab will blame fuji, fuji will blame you. That's how is goes in the film industry anyways.

 

[MattKing]

Over-exposure and a whole bunch of UV light in the scene, plus some concern about processing and/or film deterioration.

 

[lxdude]

I see a definite purple/lavender cast. The reds look blue-contaminated. The greens are dull. And it looks overexposed.

 

[RattyMouse]

Thanks everyone. Yes the image is over exposed. I am unsure if that is the source of the purple color or poor processing. I have only shot 3 rolls of Provia EVER so have very little experience. I see a distinct purple cast in these images so want to make sure that I understand why it happened.

 

[rolleiman]

Definitely some overexposure, plus possibly put through developer past its best?...Suspect some labs are not renewing their developer as they should.
Incidentally, having used Provia for some time; I've now switched to Kodak Portra 160 colour neg., I find it gives me nicer scans, in particular a longer contrast range. I've always found Provia a bit on the contrasty side.....just a thought.

 

[RattyMouse]

Definitely some overexposure, plus possibly put through developer past its best?...Suspect some labs are not renewing their developer as they should.
Incidentally, having used Provia for some time; I've now switched to Kodak Portra 160 colour neg., I find it gives me nicer scans, in particular a longer contrast range. I've always found Provia a bit on the contrasty side.....just a thought.

Provia slides are just so damn beautiful to look at. I hate to see it disappear.

 

[Mustafa Umut Sarac]

Is there a magenta cast skylight filter on your camera ?

 

[ME Super]

looks like over exposure to me. can fix any color cast you see, I don't see much, in post processing. what does the slide look like on the light table?

I can't correct anything in my post processing workflow. It has to be right in-camera. My post processing workflow consists of loading the slide into the projector tray and hoping I get it in there with the correct orientation. That's why I shoot slide film - for projection! Nothing beats a 4'x6' (1.2195m x 1.829268m for those of you on the metric system) projection - except maybe one that's bigger!

 

[clayne]

I can't correct anything in my post processing workflow. It has to be right in-camera. My post processing workflow consists of loading the slide into the projector tray and hoping I get it in there with the correct orientation. That's why I shoot slide film - for projection! Nothing beats a 4'x6' (1.2195m x 1.829268m for those of you on the metric system) projection - except maybe one that's bigger!

Right but a minute cast like this is entirely relative. Your eyes will tune it out if you look at it long enough. ;-)

 

[lxdude]

Right but a minute cast like this is entirely relative. Your eyes will tune it out if you look at it long enough. ;-)

On my monitor it's not close to being minute. It's definite. No matter how long I look at it, it will be there. My monitor is not calibrated, but it has always rendered well. That is, images that are good on calibrated monitors always look good on mine.
So there is some question of how bad the cast really is. There's also the question of what constitutes "minute" to different people.

 

[Poisson Du Jour]

Provia 100, 100F suffers reciprocity and will shift to a heavy magenta; I doubt this exposure you are showing was made at that point where reciprocity will work up.
You might also like to tweak the colour settings on your monitor if any images beside this have a pinkish-reddish characteristic. Incorrect monitor profiling is the single biggest cause of problems in viewing scanned images.

Personally I exploit Provia 100F in star trails photography where a really heavy purple cast eventuates (e.g 6 hours), this cast effectively nullified during scan post-op.

 

[DanielStone]

looks blue to me. check out the shadows. blue. cool light.

looks also like it was exposed under an open(aka blue) sky? That'd cool things down a bit. Especially with Provia 100F

add in some yellow to the midtones(and adjust your blue channel's toe(in curves) and it'll snap right in). Then you'll see what I mean.

I usually use an 81A all the time with slide film, just makes things better, and keeps shadows from going overly 'blue'.

-Dan