Yes, all OM-3, 4, 2S, PC, 40 have battery drain. It is highest when the
shutter is being held open. When the meter display turns off, the baseline
drain is still there. It was greatly improved in the 3Ti and 4T/Ti.
Turning the shutter speed dial to B/60 does not turn the drain off. The 2S
had such a short production run, new circuits with lower drain were never
produced. The flash LED modification for the 2S came out after Olympus had
stopped selling the 2S new.
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington, NY, 11743-4714,
631-424-2121, www.zuiko.com
Olympus OM Service since 1977
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----- Original Message -----
From: "Geilfuss Charles" <Charles.Geilfuss@xxxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Monday, February 21, 2005 2:06 PM
Subject: [OM] Re: OM-1 to OM-4T - worth an upgrade?
> I have been led to believe the increased battery "drain" of the OM-3
> & 4 is due to an ever-present drain while sitting on the shelf. It's
> present
> in all the OM-3 & 4's but was reduced considerably in the T/Ti versions.
>
> Charlie
>
> -----Original Message-----
> From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx]On
> Behalf Of jking@xxxxxxxxxxxxxx
> Sent: Monday, February 21, 2005 1:47 PM
> To: olympus@xxxxxxxxxx
> Subject: [OM] Re: OM-1 to OM-4T - worth an upgrade?
>
>
>
>>
>> As a bit of an extension to this string is there someone out there who
>> can give some insight as to what the power efficiency difference is
>> between the OM3 and the OM 3Ti and the OM4 and the OM 4Ti. I understand
>> that the electronic upgrades to the Ti series cameras improved battery
>> life but by how much. 10%? 50%? Is this an issue of concern when
>> looking at these cameras? An OM3 is significantly less expensive than
>> and OM3Ti as has been clear in a number of emails recently.
>> bob
>
> As far as I know the om4 series consume most power when the shutter is
> open and the camera is doing its otf metering. As far as I know the only
> power consumption on the om3 is the meter and thats switched off when the
> shutter is open because the camera can't control the shutter other than
> through the mechanical system which is why all the shutter speeds should
> work even with no batteries. Thats why its metering system is not OTF and
> if you set the ASA dial wrong you don't get correct exposure.
>
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