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How to tell when film is starting to go bad?


leicanewbie

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Silly question probably, but nonetheless...

 

I purchased a box of Velvia 50 reversal film a few months ago, expiry Feb 2007. Or at least on

the box it says "process before 02 2007". It's been in the fridge since October, so that

the film would keep longer.

 

I expected to do more photography than I actually got around to, so there's 15 rolls still

there, and I would prefer to use them up, but I don't want to waste my time and money

if these things are going to degrade in a couple of months.

 

What are some signs that I should look for in my slides that the remaining rolls should

be thrown out?

 

Bear in mind I'm a klutz photographer so sometimes my pics come out over or

underexposed.

 

thanks

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If you keep film in temperature about -10degrees celsious and cooler, you can keep it for years. After about 10 years film will be affected with cosmic radiation. So, few months for film in frige, film should be OK.

 

I still use Delta 100 with expire date november 2005, and no problems at all...

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Problem could be if film was held in very warm and humid enviroment before you bought it, so if you know how film was stored before you bought it, you could assume in what condition film would be.

 

And, unfortunatelly, you can see if film is OK, only after processing, so...

 

Good luck

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I have often used film for which the "develop by date" had long passed. Long meaning a year or two,.. or three. Never noticed any bad effects. I also eat youghurts and other foods well past their date - provided they look and smell OK. The old films also smelled and looked good ;-)

 

Don't worry,

Chris

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Milan, you can tell when good film is starting to go bad when you open the tub and it jumps out, wraps itself around your neck and tries to throttle you...

 

Regards,

 

Bill

 

Yes - the same goes for yoghurt, camembert and stilton cheese... :D :D :D

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What are some signs that I should look for in my slides that the remaining rolls should

be thrown out?

 

Film stored for too long looses sensitivity which is no problem with B/W film but with slide film this will also result in a color cast.

 

But, as it has been said before, frozen film can be kept for years beyond its expiration date.

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