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A question about M6 Metering and bias


kenneth

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The majority of cameras which I have used in the past- Nikon- Olympus- Contax- Pentax all TTL tended to have centre weighted metering biased towards highlights needed for the correct exposure of Colour Reversal Film. The M6 I now have would seem to have it's centre weighted metering biased towards the shadow detail which is more needed for the correct exposure of Black and White Film. I have yet to shoot Colour Reversal Film through my M6 so I cannot comment on this but would be interested in comments from others on their findings

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I can't answer your question directly, but I've shot reversal (and negative) film without any problems.

 

The metering isn't centre weighted, it's more like a fat spot meter.

 

I love that- fat spot- maybe that should become Leicaspeak- Thank- you

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I have shot hundreds of rolls of slide film with my M6 TTL using the built in meter with absolutely no problems. It functions like a somewhat large spot meter. I shoot both color and B&W.

 

Ritchie- I am not saying I have a problem- just interested in the concept about meter bias

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There's no meter bias in an M6 TTL. The meter reflects from the gray strip painted on the shutter curtain - it's just a standard 18% grey measured by a photo cell. Any bias you experience is due to either pointing the meter at something that's not a midtone, or by deliberately setting a bias on the ISO dial.

 

But be aware that the M6 TTL can suffer from a tendency to meter less accurately over time. Depending on its age, it could be time for a CLA. I noticed problems with my M6 a few months ago, where the meter began to give increasingly false readings. To start with I just lived with it and adjusted the ISO dial to compensate. But by the time I sent it in for a repair it was routinely underexposing by 3 stops. Fortunately the repair is simple and cheap.

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