Dived Up has released a new book that offers techniques for underwater image makers using GoPro, Paralenz, and Sealife style action cameras. Written by Jeff Goodman, the book concludes with two exercises that offer an opportunity to put the theory into practice.
Sony has introduced the FDR-X3000R and HDR-AS300R Action Cams. The former features 4K capture with the latter HD, but both are equipped with Balanced Optical SteadyShot image stabilization. The have a 0.5 inch 8.2MP Exmor R™ CMOS sensor with “big pixels” designed for video with a native 16:9 aspect ratio and a BIONZ X™ processor and their lens is a 26mm focal length with a fixed f2.8 aperture. There is a digital crop function that offers 17mm, 23mm and 32mm equivalent settings. A waterproof housing is supplied with both cameras.