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Re: [OM] Kodachrome and OTF and other musings.

Subject: Re: [OM] Kodachrome and OTF and other musings.
From: Matthias Wilke <Matthias.K.Wilke@xxxxxxxxxxxxxxxxxx>
Date: Thu, 17 Dec 1998 01:09:06 +0200
Hello Ken,

you wrote:

>I've come across and been reminded (board hitting side of head) of an
>interesting characteristic of the Kodachromes that ended up destroying a
>number of what would have been beautiful images:  If there is an extremely
>bright object in the scene, such as the sun during a sunset or sunrise,
>there is far more reflectance off the film hitting the OTF sensor than with
>the Fujichromes.  (don't ask about Ektachromes as I rarely shoot them).
>This resulted in auto exposures AT LEAST 2-3 stops underexposed.  My manual
>exposures were right on, but the auto exposures (using OM-2S) were way off.

Have you also an OM-2n with two OTF sensors. If so, have they less problems
with this phenomen? I ask because of my thesis in the subject "Which OM"
recently. When I used Kodachrome with my OM-2n years ago, I cannot remember
this problem, but I remember a green to cyan flavour in shadows.

>I was shooting a barge going through Lock and Dam 21 back at the end of
>November and finished a roll of K25, shot a whole roll of Provia and a roll
>of K64 in the OM-2S primarily using the 24/2.8 and Tokina AT-X 35-70/2.8
>lenses.

What do you think about the Tokina. I recently bought one for 160 DM (95 US
Dollar) and I think, you can use the aperture of 1:2,8 succesfully, but not
at close distances. Do you know the number of elements/groups of this lens
and the original new price?
Matthias



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