Olympus-OM
[Top] [All Lists]

Re: [OM] EV Ranges

Subject: Re: [OM] EV Ranges
From: John Hermanson <omtech@xxxxxxxxx>
Date: Mon, 28 Dec 1998 11:32:28 -0500
The OM-2N manual "guarantees" low light exposure to 2 minutes but in
practice it is almost ALWAYS 3.5 minutes.

John
Camtech
http://www.zuiko.com

Frank Ernens wrote:
> 
> Wayne Harridge wrote:
> 
> > > Much as I hate to admit it, go the OM-2 or 2n. It is unsurpassed for long
> > > time exposure in auto
> > >
> >         I saw somewhere (the FAQ maybe) that the maximum exposure time for
> > the OM-2N is 2 minutes, however I tested my OM-2N and found that the shutter
> > consistently closed after 3 min 48 sec with a body cap attached.  Is this
> > normal or is my OM-2N faulty.
> 
> I don't think so. My OM2N also goes past 2 minutes, but exposures made
> with it look correct down to 10-20s (as long as I have tried).
> You can end the exposure by moving the switch from AUTO to OFF.
> 
> The 2 minutes may well be regulated by a capacitor, being before
> the days of embedded CPUs, and some types of caps alter their
> values with age. I imagine it is unrelated to the circuitry which
> does the short timing.
> 
> < 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 >


<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz