Sony debuts Alpha A7s with 4k video recording

Sony has just brought 4K video recording capability into its full-frame mirrorless line with the Alpha A7s. The “s” in the name is said to stand for sensitivity, which it backs up by having an ISO range of 50  to 409,600. According to Engadget, the 12.2-megapixel sensor limits downscaling with 3840 x 2160 4K video so you have higher quality footage. It can keep 1080p video internally but it will need an external recorder to take 4k videos. The camera will output this with 4:2:2 color sampling through HDMI.

It is equipped with Wi-Fi and NFC and it can keep XAVC S-format video with a class 10 or higher SDXC card. You can shoot with APS-C cropping in 1080p and has 120 fps support when you capture in 720p. 

Sony unveils Xperia Z2 flagship with 4K video recording and 2.3Ghz quad core processor

Sony's early salvo at Mobile World Congress in Barcelona includes a truly remarkable follow up to the Sony Xperia Z1. it is waterproof, as expected, but the Xperia Z2 brings a lot more innovation including a spanking new 20.7 megapixel camera that can capture 4K video, a 5.2" full-HD display, a Qualcomm Snapdragon 801 processor with 2.3 GHz quad-core Krait CPUs , 3GB RAM and high capacity 3200 mAh battery in an 8.2mm slim smartphone.

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Acer's 6-inch Liquid S2 smartphone makes a bid as first to record 4K video

Days away from an expected 4k-shooting smartphone from Sony, Acer has fired first in an unexpected mobile move. The Acer Liquid S2 is a 6-inch Android smartphone/phablet which a 4K video recording capable smartphone with ultra-fast connectivity including 4G LTE and the new Wi-Fi 802.11 ac standard.

The Liquid S2 isn't slated for release in North America anytime soon, but it does offer an interesting proposition for smartphones in general. It is the highest profile and specced mobile device Acer has ever delivered and by making it a 6-inch device with 4K recording capabilities, Acer has separated itself from existing competitors. Featuring Qualcomm’s Snapdragon 800 quad core 2.2GHz processor, a 13 megapixel camera, 2GB of RAM and 16GB of storage (expandable via microSD), the Acer Liquid S2 will get our attention and could be the first in a series of seriously competitive mobile devices from Acer as it angles to enter the global smartphone market. Hit jump for complete specs.

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