A Question to EIR users

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timbo10ca

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Apr 27, 2006
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Winnipeg, MB
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I just got a roll of EIR back from the lab I shot over the 1st week of October/07 in Utah.

On day one of the trip I realized I forgot to change the ISO setting on my incident lightmeter from 100 to the 200- 320 I use for EIR, depending on the amount of light present. I left the film in the camera for the week I was using it down there, with no special attention taken regarding cooling, etc. It went through the carry-on xray coming back to Canada, sat around for a couple days still in camera (because I didn't have a chance to finish the roll), then went into the fridge in a ziplock for 3 weeks while waiting for some sun. Last week the sun poked out for a couple days, so I took the camera out of the fridge and let it sit 24 hours in the ziplock before proceeding to finish the roll. I then froze it (in a ziplock) for a few days and took it into be processed.

So what I have are the 1st 5 shots perfectly exposed (which I was expecting to be 1 to 1 1/2 stops overexposed), and the rest 1 to 1 1/2 stops underexposed. Would this be due to IR availability at high altitude (I thought it would be more, thus overexposing, if anything), or due to the protracted period over which the film was used, and not kept cool? I think my metering and personal EI are correct, because I've tested this film (albeit only a couple rolls due to price). Could it be the IR availability at this time of year, especially the shots I took up here in Manitoba? Granted, some of the later film was shot under very light cloud, but I've done that before using an ISO of 200 and been o.k. An important note is that color rendition is exactly what I was expecting to see- none of the magenta shift I've heard EIR experiences when not kept refridgerated or shot and processed quickly.

Thanks,
Tim
 

colrehogan

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I took EIR through six carry-on x-rays back in 2002 in the US/UK and didn't have any problems with it.

Are you sure your camera's meter is functioning okay? I've never frozen or refrigerated the camera with EIR in it. Maybe try a similar experiment with some normal E-6 film, a few shots at ISO 100 and then some more with ISO 200-320 (and take some notes when you do this so you know which is which when they are developed).
 
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timbo10ca

timbo10ca

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Joined
Apr 27, 2006
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Location
Winnipeg, MB
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I took EIR through six carry-on x-rays back in 2002 in the US/UK and didn't have any problems with it.

Are you sure your camera's meter is functioning okay? I've never frozen or refrigerated the camera with EIR in it. Maybe try a similar experiment with some normal E-6 film, a few shots at ISO 100 and then some more with ISO 200-320 (and take some notes when you do this so you know which is which when they are developed).

I was using an incident light meter (handheld), which gives accurate reading for other E-6 film.

Tim
 
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