I think the original post (I'm going by memory here) related to the use of
1600 ISO film. With ISO 100 the max shutter time is 240 sec but is
progressively less for higher ISOs as 200:120, 400:60, 800:30, and 1600 15.
The OM4 takes a reading as best as it can and the rest is just math.
Warren
In a message dated 99-10-26 17:07:01 EDT, you write:
> What cutoff? My 4Ti is good for 240 seconds in auto.
>
> Giles
>
> nfoltz wrote:
>
> > microscopy exposures where an OM4T failed due to its 15 second cutoff.
> >
< 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 >
|