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Lightmeter battery on K3's


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#1 Antonio Bunt

Antonio Bunt
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Posted 31 March 2007 - 12:44 PM

Hello, I have been trying to get information on the battery that fits the lightmeter on the K3. In some sites it appears as the RZ-55 or the PX640 but I have never found accurately which one is it. Can someone tell me which is it? Can I get a Wein zinc-air replacement without the need for an adapter? What's the correct voltage 1.35 or 1.5V? Thanks a lot!
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#2 Olex Kalynychenko

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Posted 01 April 2007 - 05:49 AM

Hello, I have been trying to get information on the battery that fits the lightmeter on the K3. In some sites it appears as the RZ-55 or the PX640 but I have never found accurately which one is it. Can someone tell me which is it? Can I get a Wein zinc-air replacement without the need for an adapter? What's the correct voltage 1.35 or 1.5V? Thanks a lot!


You can use of modern battery type 625 , 1.5 v with metal disk adapter.
But, the sensor of your camera can lost of sensitivity and not will work correct with 1.5 v battery.
i can recommend install of 2 x 625 batteries ( 3 v ) and adjust of volume of resistro inside camera.
And lightere will show correct aperture.

The original russian batteries not sell now.
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