[rollei_list] Re: Krimar speed
- From: "Eric Goldstein" <egoldste@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Mon, 16 Oct 2006 23:52:40 -0400
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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