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Bolex light meter for reflex cameras


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#1 Stephen Brown

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Posted 10 October 2006 - 07:54 PM

I need some help. I should be able to figure this for myself but my math mind has gone soft. I have a H-16 non-reflex Bolex and a light meter for a reflex Bolex. How much more or less exposure do I allow when reading the meter? Is it a full f/stop or a fraction?

Thanks
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#2 Bryan Darling

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Posted 11 October 2006 - 12:03 AM

The meter is designed for the fact that the Reflex "subtracts" about 25% of the light from the exposure for the viewfinder. That said, it would be a 1/4 stop. For the sake of simplicity you can say 1/3 stop. Now to make it even easier, just rate the stock at a different speed. It saves you from doing math in your head. Say you are using 200ASA film, rate it at 160ASA instead since the meter will be adding the extra on its own.
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#3 Clive Tobin

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Posted 11 October 2006 - 08:45 PM

...Say you are using 200ASA film, rate it at 160ASA instead since the meter will be adding the extra on its own.


I think you have this backwards. You need to rate at 250 for what would normally be 1/3 stop underexposure, to compensate for the 1/3 stop overexposure of the light meter with adapted calibrations.
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