KX light meter calibration or adjustment

Schetteb · 11-05-2018, 05:01 PM

Hello,
could anybody please send me a service manual for a Pentax KX (1975) camera or just give me an advice how to adjust the light meter? There are three potentiometers beneath the ASA-setting-knob.
Many thanks in advance and kind regards,

Bernd

Xmas · 11-06-2018, 09:11 AM

Try Pentax Manuals

Not a Number · 11-06-2018, 09:27 AM

You can buy the Spotmatic service manuals including the KM and KX supplement here:
Service-Manual.net - Pentax Camera Service Manual Downloads

The versions you can find online don't really cover calibration of the light meter and the manuals above may not either.

From what I can glean from the online versions you need a 3 micro Amp power source and a calibrated light source to check the meter.

11-05-2018, 05:01 PM	#1
Schetteb New Member Join Date: Nov 2018 Posts: 1	KX light meter calibration or adjustment Hello, could anybody please send me a service manual for a Pentax KX (1975) camera or just give me an advice how to adjust the light meter? There are three potentiometers beneath the ASA-setting-knob. Many thanks in advance and kind regards, Bernd

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11-06-2018, 09:11 AM	#2
Xmas Veteran Member Join Date: Mar 2015 Posts: 617	Try Pentax Manuals

11-06-2018, 09:27 AM	#3
Not a Number Moderator Join Date: Mar 2012 Location: Venice, CA Posts: 10,526	You can buy the Spotmatic service manuals including the KM and KX supplement here: Service-Manual.net - Pentax Camera Service Manual Downloads The versions you can find online don't really cover calibration of the light meter and the manuals above may not either. From what I can glean from the online versions you need a 3 micro Amp power source and a calibrated light source to check the meter.