Re: MR-9 battery converter

["C.M. Fortunko" <fortunko@boulder.nist.gov>]

Steve,

Can you tell us more about this converter? Does Leica make it? How much does
it cost and who sells it?

As a user of CdS lightmeters, I am, of course, very interested.

Thank you,

chris

 
At 08:54 AM 11/18/96 -0500, you wrote:
> received my MR-9 battery converter this weekend, and given the discussion
>on the list about replacements for Mercury Oxide batteries (PX 625) I
>thought a preliminary report would be worthwhile.
>
>The converter is the size of a PX 625 and takes a smaller S76 silver battery
>(about $3.60).  While I cannot judge the electronics, the case appears well
>made and finished.  It fit into my Leica Meter and while I have not as yet
>shot a role of film with it, the meter responded as it should to the battery
>test level (centered on the "dot."  A few test exposures comparing the PX
>625 and the converter with the S76 resulted in identical readings.
>
>Assuming that durability is not an issue, this would appear to be one
>solution to the problem posed by the faze out of Mercury Oxide batteries.
>Unfortunately, there does not appear to be a way to replicate the "off-on"
>characteristic of mercury oxide; as I understand it, the silver oxide
>batteries fade more slowly and will have to be replaced regularly.
>
>My apologies to those of you on both the Rollei and Leica lists, but I
>assumed that there would be interest on both in this device.
>
>Steve
>
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