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A Closer Look at the G3's IR Laser Auto Focus System A Closer Look at the G3's IR Laser Auto Focus System
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A Closer Look at the G3's IR Laser Auto Focus System
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Old 28th May 2014, 09:27   #1
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Default A Closer Look at the G3's IR Laser Auto Focus System

Earlier today LG announced its 2014 flagship: the G3. Based on Qualcomm's Snapdragon 801, the G3 features a 5.5" 2560 x 1440 display and a host of other improvements over last year's G2. Although the front and rear facing cameras don't change in terms of resolution compared to the G2, the imaging system did see some upgrades. Optical Image Stabilization (OIS) is back for the G3, but it now includes stabilizing along the z-axis as well (hence OIS+). The big new feature however is the IR laser rangefinder that aids in improving focus time for the rear camera. LG claims the G3 can grab focus in 276ms. It's clear that the G3's AF system is one of the most interesting that I've seen in smartphone imaging, full stop. While PDAF (Phase Detect Auto Focus) is standard on dSLRs, laser rangefinders are generally rare and from another era.


http://www.anandtech.com/show/8062/a...o-focus-system
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