Olympus-OM
[Top] [All Lists]

[OM] Re: OM4 metering problem (?)

Subject: [OM] Re: OM4 metering problem (?)
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Thu, 3 Nov 2005 08:01:31 -0500
Without the diode, meter will be quite non-linear and will be off a stop at 
atleast BV15 (1/1000th @ f5.6).
If mercury cells were still being made, and it were legal to give them away 
or sell them, I would still be using them.

John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington, NY 11743
631-424-2121  |  omtech@xxxxxxxxx
              www.zuiko.com
Factory Trained OM Service since 1977
__________________________________
----- Original Message ----- 
From: <bartjew@xxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Wednesday, November 02, 2005 1:09 PM
Subject: [OM] Re: OM4 metering problem (?)


>
> Hi John,
>
> I'm glad to you all agree on the Silver Oxide cells.
> What's the idea behind the additional diode (it causes a Voltage drop, but
> is that required?) when you're recalibrate anyway?
>
> Bart
>
>
> Citeren John Hermanson <omtech@xxxxxxxxx>:
>>
>> I suggest not calibrating OM-1s to alkaline batteries as the voltage of
>> that
>> type of battery starts to drop as soon as you use it. Camera can quickly 
>> go
>>
>> out of calibration in this case.
>> Suggest to him using 357, 303, SR44w, G13, MS76, KS76, s76 type battery
>> (silver oxide) and insert a diode (like 1N34A or 1N6263) at meter switch.
>>
>> John Hermanson
>> Camtech Photo Services, Inc.
>> 21 South Lane, Huntington, NY 11743
>> 631-424-2121  |  omtech@xxxxxxxxx
>>               www.zuiko.com
>> Factory Trained OM Service since 1977
>> __________________________________
>> ----- Original Message ----- 
>> From: <bartjew@xxxxxxxxx>
>> To: <olympus@xxxxxxxxxx>
>> Sent: Wednesday, November 02, 2005 6:21 AM
>> Subject: [OM] Re: OM4 metering problem (?)
>>
>>
>> >
>> > William,
>> >
>> > I've brought my camera to Harspel Camera Service, that's a full-time
>> > repair shop in Rotterdam-Zuid. I believe he has worked for the import
>> > company as a repair man, now he is running his own business.
>> >
>> > I presented him with my comatose  OM-4, and he claimed to be able
>> > to revive it. It wouldn't get his first priority, but by now it has 
>> > been
>> a
>> > couple of months; he should finish this week. If he's any good, I'll
>> > have some more jobs for him, starting with adjusting the light meters
>> > of my OM-1s for Alkaline batteries.
>> >
>> > I know Jaap Korten. I've met him a few times. Bought a 35/2 and a T32
>> > from him. He is a nice knowledgable guy, and has reasonable prices
>> > and sells under guarantee. And he is at a location that I can easily
>> visit
>> > :o)
>> > I understand he runs his Zuiko shop next to his daytime job. He told me
>> > he does his repairs only on Tuesdays, together with a 'partner' in the
>> > vicinity of Rotterdam. That *might* actually be the same Harspel guy,
>> but
>> > that's just a wild guess. There could be a dozen Olympus repairmen in
>> > Rotterdam, as the importer is seated in that city.
>> >
>> > Cheers,
>> > Bart
>> >
>> >
>> >
>> > Citeren Wiliam Wagenaar <wiliam@xxxxxxxxxx>:
>> >>
>> >> Bart wrote:
>> >>
>> >>
>> >> Guillaume,
>> >>
>> >> I hope to get my old OM4 back in a week or something from a repairman
>> in
>> >> Rotterdam (The Netherlands). Is that near enough? I'll try to remember
>> >> posting the verdict if he did a good job or not.
>> >>
>> >> Cheers,
>> >> Bart
>> >> ----
>> >> If it is "Wide-Angle" / Jaap Korten you did send the body to then I 
>> >> can
>> >> testify that he does great jobs for low prices. I know him since about
>> >> 1998
>> >> and have dealt with him several times. My experienc was good but as
>> >> allwasy
>> >> YMMV.
>> >>
>> >> Kind regards,
>> >>
>> >> Wiliam
>> >>
>> > ==============================================
>> >
>>
>>
>> ==============================================
>> List usage info:     http://www.zuikoholic.com
>> List nannies:        olympusadmin@xxxxxxxxxx
>> ==============================================
>>
>
>
>
>
> -- 
> _____________________________________________________________________
> Nu 12 maanden gratis Live Eredivisievoetbal bij 20 Mb ADSL voor maar
> EUR 39,95 per maand. Bestel op www.versatel.nl/voetbal
>
>
> ==============================================
> List usage info:     http://www.zuikoholic.com
> List nannies:        olympusadmin@xxxxxxxxxx
> ==============================================
> 


==============================================
List usage info:     http://www.zuikoholic.com
List nannies:        olympusadmin@xxxxxxxxxx
==============================================

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