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I have been doing some reading about BTZS and being new to film photography, have many questions, but will start with one.
I use HP5 400 speed film. I meter what I want to be zone 3 and reduce exposure by two stops and Develop accordingly. My Pentax spotmeters ISO is set to 400.
BTZS requires the ISO on the spotmeter be set to 100 while metering. If the same zone is metered, do I still reduce exposure by 2 stops? Seems I will be overexposing?
Thanks
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