Is there a sliding scale of how much the emulsion affects otf exposure being
that high speeds are determined (mostly) off the curtain and only under 1/60
are read completely off the film?
John Hermanson
___________________________________
Camtech, Olympus Service since 1977.
21 South Ln. Huntington NY 11743-4714
631-424-2121 http://www.zuiko.com
Free Olympus Manuals: 1-800-221-3000
___________________________________
----- Original Message -----
From: Frank Ernens <fgernens@xxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Tuesday, April 04, 2000 9:16 PM
Subject: Re: [OM] Elitechrome 100 reflectance tests
> Earlier I wrote
>
> > 1) At 1/250 in bright sun, TTL auto.
> > 2) At 1/60 in shade, TTL auto.
> > 3) At 1/60 in shade, using manual metering.
> > 4) Inside, using TTL flash (T20).
>
> I've just dug up my notes and the correct data is:
>
> OM-2SP OM-4
>
> 1) f/11 1/250 auto sunny f/8 1/250 + 1/3 auto sunny
> 3) f/11 1/250 manual/spot f/5.6 - 1/3 manual cw
> 2) f/11 1/8 auto shady f/11 auto shady
> 4) f/11 TTL flash f/11 TTL flash
>
> the difference being that 1/8 is well into OTF territory while
> 1/60 was not. The lens aperture calibration at f/8 and f/11 is
> known to be accurate from previous tests.
>
> Also, 03/2001 on the film boxes.
>
>
>
> < This message was delivered via the Olympus Mailing List >
> < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
>
>
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|