[rollei_list] Re: Krimar speed

I'm guessing here Elias but no, I think it would be close. Most
important, with a Silver oxide cell, any discrepency would be
consistent and so could easily be accounted for and corrected with the
film speed dial...


Eric Goldstein

--

On 10/17/06, ERoustom <eroustom@xxxxxxxxxxx> wrote: 
That's a great link Eric, thank you.

Do you think the meter would be that much off if set for 1.5 (alk),
but run on a 1.55 (silvox)?

Elias


On Oct 16, 2006, at 11:52 PM, Eric Goldstein wrote:

> I will not quote from a web site without express permission. The
> referenced sites show/state that alkaline cells show an irregular drop
> in voltage over the life of the cell from about 1.55 volts to about .9
> volts. The voltage drop begins early in the life of the cell. Unless
> the meter circuit is regulated, this will result in a multiple f/stop
> drift for a given quantity of light. Mercury and Silver Oxide cells
> are virtually consistant and flat in their discharge voltage for the
> life of the cell. If Krikor's recalibration were done quickly with an
> absolutely fresh alkaline cell, then it should be ok for Silver Oxide
> cells which will give consistent readings.
>
>
> Eric Goldstein
>
> --
>
> On 10/16/06, Marc James Small <marcsmall@xxxxxxxxxxx> wrote:
>>
>>  At 10:57 PM 10/16/2006, you wrote:
>>
>> Here are some references for you, Marc:
>>
>>  olympus.dementia.org/Hardware/PDFs/batt-adapt-US.pdf
>>
>>  http://www.buhla.de/Foto/eQuecksilber.html
>>
>>
>>  Thank you very much, Eric.  I do not simply open cited web
>> sites.  If you
>> want to quote from this, please do so.
>>
>>  In any event, I have extensive experience shooting chromes with a
>> Rollei 35
>> and with a 35S with an alkaline cell and have never had a
>> problem.  I am
>> aware of the falling off of voltage but, other than that, a fresh
>> alkaline
>> cell will certainly be within all reasonable standards for meter
>> accuracy.
>>
>>  Marc
>>
>>
>>
>>
>>  msmall@xxxxxxxxxxxx
>>  Cha robh bàs fir gun ghràs fir!
>>
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