At 05:25 PM 6/21/99 +1000, you wrote:
>> However, I do have a question for the OM wizards. Does all film available
>> for 35mm have the same reflectance characteristics? It seems like a rather
>> large leap of faith for the OM designers to base an exposure on that
>> assumption.
>
>Big question mate. What's the light reflectance of unexposed film? We had
>some threads about this a while ago. It seems Olympus set it up for
>Kodachrome 64 (which fortunately I use). But there are differences between
>films and between different batches of fthe same film.
>
>Hey, just use K64!
>
>Foxy
>
Here's Gary Reese's post on the variation among modern films:
http://zuiko.sls.bc.ca/swright/archives/1998/msg07676.html
The results briefly:
"Results:
Grey card: f/5,6.9
Kodak Gold 100 f/5,6.2
Sensia II 200 f/5,6.2
Agfa RSX 50 f/5,6.3
Kodak Elite II 100 f/5,6.4
T Max 100 f/8,0.3
Agfacolor HDC 100 f/8,0.3
Kodak Gold 800 f/8,0.5
Kodak Gold 200 f/8,0.0
Kodak Gold 400 f/8,0.1
Agfa Scala f/8,0.7
Fuji Velvia f/5,6.7
Kodak Royal Gold 25 f/8,0.2"
See the original post for specifics of testing, etc.
Joel Wilcox
Iowa City, Iowa USA
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