I bought a Luna Pro-S a few months but didn't get around to working with it until today. Something I don't understand when comparing it with my Pentax spot... I tak e an EV reading off a gray card with the Pentax and calculate appropriate aperture*exposure time combos. For comparison, I took sun and shadow "scale" readings with the Luna Pro, averaged them, and came up with the same aperture*exposure times I calculated with the Pentax. Good. The thing is, the scale reading on the Luna Pro supposedly translates to an EV reading and that EV reading is very different that what I got with the Pentax - don't recall precisely what the difference was but something like three or four units. Seems pretty clear EV means something different on each meter, but what? I couldn't tell from reading the Luna Pro manual. (Not a big deal, as it all seems to sort itself in the end, but I'm curious.)
Any insights appreciated.
Thanks,
Chris
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