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Normal mirror just in front of screen, Camera set 125ASA,
Ringflash at 3.3 (min) on Grafit box, Incident light reading f1.4
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| f8 | f11 | f16 | f22 | f22 +ND4 | f22+ND4+ND4 |
| still blown out ! |
Ringflash used to illuminate bacground same settings as mirror
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| f8 | f11 | f16 | f22 | f29 |
| full 255 |
Ringflash with 157 green gel same settings as mirror
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| f4 | f5.6 | f8 | f11 | f16 | f22 | f29 |
| bright | usable | poss |
Same setup but with white target and small black square overlaid
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| f4 | f5.6 | f8 | f11 | f16 |
| white just shows |