Even though the Sony a7s looks to be an amazing camera, I still have my eye on the Panasonic GH4. Having 4k in such a tiny little package at that price point really makes the GH4 attractive for lightweight travel. The only real concern I had was high ISO shooting. If the GH4 can deliver at 3200 ISO it’ll be good enough for most applications and it looks like the Panasonic GH4 delivers.

The above test was shot in 4k from 1600 ISO to 6400 ISO (the limit of the beta firmware) and to me both 1600 and 3200 ISO look completely usable. Even 6400 ISO could be usable if you are scaling down to 1080p. The Panasonic rep said this might even get a little better when the latest firmware comes out.

As for editing and recording, I used a Sandisk 95mb/s card in the Gh4 without any issue at 4k and I was able to edit at half resolution in Premiere CC on my laptop and full resolution on my desktop. Doesn’t look like the Codec Panasonic is using for 4k will be to much of an issue.

You can download the file here to see it without all the youtube compression. Overall it’s pretty impressive.

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