ILCE 7R ISO accuracy...

Started 3 months ago | Discussions thread
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anfat
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ILCE 7R ISO accuracy...
3 months ago

testing my 7R with "16 rule" I found that measuring a 18% gray card in sunny day, at ISO 100, at stop 16 the shutter speed was 1/200, I.E. one stop less than 1/100 that we should expect...contemporary measuring with my pentax digital spot meter the result was in agreement with "16 rule", I.E. 1/100...the measuring method on camera was spot..I would like to know if someone has found such results......

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Sony Alpha 7R Sony FE 35mm F2.8 Sony FE 55mm F1.8
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