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[OM] Re: Leaving OM-2n on 'AUTO' - How much battery drain?

Subject: [OM] Re: Leaving OM-2n on 'AUTO' - How much battery drain?
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 10 Jan 2008 19:45:35 -0500
Hmmm.  I seem to have forgotten that a 2n takes two batteries.  Make 
that 2000 hours.

Chuck Norcutt

Chuck Norcutt wrote:
> But, based on Tim's reports of 357 capacity of 185-190 mah, if the meter 
> is only drawing 0.18 ma the battery should last roughly 1000 hours. 
> Doesn't sound like too much to worry about if you accidentally leave it 
> on from time to time.
> 
> Chuck Norcutt
> 
> John Hermanson wrote:
>> Sorry, close but no cigar.  The drain caused by the 2N meter being left 
>> on (0.18 ma) will be constant and won't turn off.  The 2S, 3, 4,  etc. 
>> will turn the meter off after 1-2 minutes, but there is still that pesky 
>> battery drain baseline that you can't do anything about.  On these 
>> models, turning the shutter speed dial to B/60 does not eliminate it.
>>
>> "Off" on the 2N is a modified "auto" setting.  If the camera is used in 
>> a bright light situation that would have given you a shutter speed above 
>> 1/45th, you will still get that correct auto speed while set to "off". 
>> It's like shooting on auto without the meter display turned on. Main 
>> circuit that controls auto speed turns on as the mirror starts to go up. 
>> A properly operating OM-2/2N has NO battery drain with meter off & 
>> shutter closed.
>>
>> John
>> CPS, Inc.
>>
>>
>> On 1/10/2008 4:15:07 PM, Lukasz Grabun (lgrabun@xxxxxxxxx) wrote:
>>> Amin Sabet pisze:
>>>
>>>> When I set the OM-2n to 'OFF,' I often forget to set it back to 'AUTO'
>>>> before shooting.  Furthermore, I often forget to set it to 'OFF' after
>>>> shooting and instead leave it on 'AUTO' for hours on end.  Can I just
>>>> leave it on 'AUTO' all the time, or will the batteries quickly die
>>>> this way?
>>> At last! A question I can answer!
>>>
>>> The camera turns automatically off after some time (10 minutes?). Not
>>> that I would leave it in AUTO mode by purpose.
>>>
>>> --
>>> Łukasz Grabuń
>>> http://grabun.com/
>>>
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