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SDQ Dynamic Range

Started Jul 21, 2017 | Discussions thread
xpatUSA
xpatUSA Forum Pro • Posts: 23,017
Re: SDQ Dynamic Range

PrebenR wrote:

Sugasmune wrote:

It was measured in another topic, the photographic DR was little under 8 EV.

Who measured that?

Shutterbug says they measured it to 11.6 at iso 100. This sounds high to me, but I don't buy under 8 EV.

https://www.shutterbug.com/content/sigma-sd-quattro-h-mirrorless-camera-review#zpQFb6jrLjSAGuoj.97

Thanks for the link. There's a DP2 Merrill review there too and (by coincidence?) it's DR is also measured at 11.6 EV.

Bill Claff is an acknowledged expert on DR here on DPR and has published his method (PTC curve) at his website. He has tested Sigmas in the past but disappeared from his site a long time ago. Not saying it was he who tested the qh ...

http://www.photonstophotos.net/

OT, but he did test my SD9 which came to 9-and-a-bit EV.

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