Gossen sixon 2 calibration

George_s

Newbie
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Joined
Feb 5, 2009
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Hello all , I have a gossen sixon 2 and I want to calibrate it , because when it comes to day sun light then it is 2 stop underexposed , the zero point is fix it , the meter back has 3 screws does anyone can give me some help
 
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