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Author Message   Mug Tinkerer Username: Mug Post Number: 1 Registered: 10-2009 Rating: N/A Votes: 0 Posted on Sunday, October 25, 2009 - 04:03 am:    Did anyone know how to (re)calibrate the Gossen Lunalite lightmeter ? The are three potmeters inside R12, R18 and R19. The deviation is not liniear so move the ASA knob is not the solution (its about 1 small EV)