Another Olympus E-M1 and SONY a7 walkabout test, high ISO

Started Jan 29, 2014 | Discussions thread
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quezra Senior Member • Posts: 3,915
Re: Another Olympus E-M1 and SONY a7 walkabout test, high ISO

Daniel Wee wrote:

Typo in the 4th para: The F1.4 is as bright as F1.4 in FF.

Obviously since F1.4 is F1.4 anywhere.

Given DxOmark's test of the FE 55/1.8 you were actually correct:

http://www.dxomark.com/Lenses/Compare/Side-by-side/Panasonic-Leica-Summilux-DG-25mm-F14-on-Olympus-OM-D-E-M5-versus-Sony-FE-Carl-Zeiss-Sonnar-T-STAR-55mm-F18___450_793_1252_0

They have the same T-stop so yes, f1.4 = f1.8 in this case, it wasn't your Oly overexposing the same shot

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