Philip Bloom Tests Sony A7S III "Dual ISO"

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Brian_Smith
Brian_Smith Veteran Member • Posts: 3,327
Philip Bloom Tests Sony A7S III "Dual ISO"
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Sony Venice Cinema cameras offer Dual ISO and while Sony officially states that Sony a7S III does not have dual ISOs, there is a point 4-stops above the base ISO where a7S III boosts the signal to the analog digital converter resulting in lower noise. This effectively creates a second base ISO.

Philip Bloom put Sony A7S III Dual Base ISO to the test and here's what he found

 Brian_Smith's gear list:Brian_Smith's gear list
Sony a9 Sony a7R IV Sony FE 24-70mm F2.8 GM Sony FE 85mm F1.4 GM Sony FE 100-400mm F4.5-5.6 +4 more
Sony a7S III
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