My last post considered extracting stills from 4K video. A caveat I didn’t mention for many cameras─aside from the small file size─is rolling shutter. Background: To cope with the demands of video, cameras use an electronic, rather than mechanical, shutter. Shooting 4K, the electronic shutters produces frame rates of 24 or 30 fps, faster than […]
Extracting Stills from 4K 2018_05
An underused advantage of shooting 4K video is in extracting serviceable stills. 4K produces good-quality 3840 x 2160 jpgs at 24 or 30 frames per second in many cameras, a faster frame-rate than the stills obtained from high-end dSLR’s or most mirrorless cameras. Some cameras can even shoot 4K at 60 f/s; the demands of […]
GoPro Hero3 Video/Stills Modes Illustrated ____ 2013/10
I’ve been a GoPro fan since they introduced their fish-eye lens—and particularly since the Hero2 intro—when I thought the quality was good enough to actually buy one. The wide-angle, distorted view of the GoPro perfectly captures the essence of the POV (point-of-view) video action cam. The Hero3 Black Edition—in many ways 2x better than the […]