12/31/2023 0 Comments Free lut for sony a7siiThe only difference I see is that the 4K hdmi output does its typical Gamma change and slightly raises contrast and saturation. Here’s a comparison crop image between the Sony a7S II vs. Left: a7S (4k external) Right: a7S II (4k internal) The quality of the images should be virtually identical with the only difference that the a7S II records to the XAVC-S codec in 8-bit and the Shogun will record the a7S data in a better codec like Apple ProRes HQ also in 8-bit color. Obviously the Sony a7S II has the internal 4K advantage, but how does it compare to the Sony a7S recording 4K via hdmi to the Atomos Shogun? No difference in rolling shutter performance. Both cameras have the same rolling shutter performance in HD crop mode. Both in 4k as well as HD the a7S took about 20 milliseconds to readout the picture from top to bottom. In 4K the Sony a7S II had the same rolling shutter performance in our tests as the a7S. The so called “rolling shutter” is a phenomenon that skews a camera image when fast moving objects are recorded or during fast pans and handheld camera movement.ĭue to the same sensor the rolling shutter could be similar, but the internal processing could speed up sensor readout and improve rolling shutter on the new a7S II. Set your Sony a7S II to Slog3Cine (PP8 under Picture Profile Settings) in order to get the most dynamic range. We use a a DSC labs XYLA-21 transmissive chart and IMATEST evaluation software with a crisp Zeiss 50mm CP2 T/2.1 makro lens. Interestingly in Slog3 Gamma the a7S II gave us about half a stop more dynamic range. Dynamic Rangeĭynamic range is important for us filmmakers, it gives us the ability to capture high contrast scenes without over or underexposure, highlights and shadows are saved resulting in an organic, filmic look and possibilities in post production.Īpparently the Sony a7S and a7S II share the same sensor and thus should have a very similar dynamic range.Īt 4K resolution in Slog2 (a7S via Atomos Shogun, a7S II internal) both cameras have the exact identical dynamic range slightly below 12 stops in our scientific lab tests. Sony a7S II dynamic range tested with a XYLA-21 transmissive chart.
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