Panasonic GH4 4K ISO 1600-3200 - Monterey Bay Aquarium. I made plenty of mistakes and the thick glass made it hard to focus and keep images sharp. I can tell the compression on Vimeo has made it even less sharp, but you can try to download the original.
More info: cheesycam.com/random-gh4-4k-footage-iso-1600-iso-3200-monterey-bay-aquarium/
Shot with Panasonic 12-35mm F/2.8 goo.gl/smycS7
[Note: All of the weird pixelation is not in the original file. Download the original file to see this video without all the weird compression artifacts. Also Vimeo does not support 4K only 1080p, so download for the full 4K file.]