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Kodachrome 40 ISO settings


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I have to shot a Kodachrome 40 expired in '90s, both indoors and outdoors, and I'll have it developed in positive black and white

I was wondering ... the K40 had this kind of settings:

ISO 40/17 Photo Lamp (3400 K, without any filter)

ISO 32/16 Tungsten (3200 K, filter Kodak Wratten 82A)

ISO 25/15 Daylight (5900 K, filter Kodak Wratten 85A)

Should I develop it in black and white, if I don't have to use filters? Right?

And since it is a film expired in the '90s, how much will I have to overexpose it in tungtsen and daylight?

Thank you. :)

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  • 2 weeks later...

This isnt too related, But I Was curious if labs develop expired ektachrome still? I went to send in some old stock and pro 8mm says you have to pay some outrageous price for old stock. Im confused though since its just e6 developing?

 

Ah no ... old Ektachrome could be one of many processes used over the years.

see here.... https://en.wikipedia.org/wiki/Ektachrome#Variants

 

John S B)

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