Sony's A7s turns night into (very noisy) day with ISO 409,600

Zach Honig
Z. Honig|04.10.14

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Zach Honig
April 10th, 2014
In this article: 4k, a7s, alpha, nab2014, sony
Sony's A7s turns night into (very noisy) day with ISO 409,600

This week, Sony announced the A7s, a full-frame mirrorless camera that captures 4K video. But the 12-megapixel shooter has a few more tricks up its sleeve, including a phenomenally high top sensitivity of ISO 409,600, matching the Hi4 setting of Nikon's much larger (and pricier) D4S. Sony commissioned DP Den Lennie to shoot a demo reel that highlights the camera's 4K capabilities, but he had another chance to test out the cam at NAB. This time, Lennie put high-ISO video capture to the test, comparing ISO 6400 through 409,600 in a single clip. The difference is staggering, and while that top sensitivity brings more noise than you'd tolerate for a formal production, it could definitely come in handy for surveillance activities. See for yourself in Lennie's high-sensitivity demo video, embedded at the bottom of his post.

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