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Sony A68 boasts 4D focusing

Create: 12/23/2015 - 18:06
Sony A68


  • 4D autofocus uses phase-detection with 70 AF points
  • APS-C 24.2-MP CMOS sensor
  • Translucent mirror is paired with an OLED viewfinder

Sony continues to build out the lower end of its A-mount DSLR camera line with the addition of the A68.

Like its other recent cameras, the A68 uses a fixed translucent mirror paired with an OLED viewfinder. The non-swinging mirror should give it the ability to take photos at a higher rate. Sony claims up to eight frames per second.

The CMOS 24.2-MP APS-C sensor has an ISO range of 100-25,600 (100-12,800 in movie mode). The camera accepts both Memory Stick Pro Duo and SD cards, including the fast higher-capacity versions. It's not clear if the camera has two slots – one for each type of card.

Focus is via phase detection using 79 AF points. Sony claims the A68 can successfully focus down to -2EV available light.

Images can be recorded in RAW, JPG and RAW+JPG. The camera's default is 3:2 aspect ratio, which can be changed to 16:9. Movies can be recorded in one of three formats: MP4, AVCHD 2.0 and XAVC S. No single video recording can be longer than 29 minutes, 59 seconds.

Available speeds for the metal vertically traveling focal-plane shutter run from 1/4,000 to 30 seconds plus B. The flash synchronization speed is 1/160.

The 2.7-inch LCD on the back of the camera can tilt up or down but not side to side. Nor does it flip upward 180 degrees for selfies. It can be used for Live View focusing, or the photographer can use the 1.44-million dot OLED electronic viewfinder, which offers 100% frame coverage.

Inputs include a microphone mini-jack; a multi-purpose micro-USB port and Sony's Multi Interface Shoe. This camera is compatible with all Sony A-mount lenses, as well as Konica Minolta autofocus lenses. Image stabilization is built into the body.

While the camera is available only in black, Sony has added a splash of color elsewhere – in the tabs that are part of the on-screen menus.

The price for the body with the 18-55mm kit lens is US$699 or the body only for US$599. The A68 will be available in March 2016.

About the Author

Mike Elek is a longtime journalist and was one of the original editors for The Wall Street Journal Online. He also has worked as a reporter and editor in Pittsburgh; Philadelphia; Vineland, N.J.; Poughkeepsie, N.Y.; New York City; and Hong Kong. He is a U.S. Air Force veteran. He shoots with film and digital cameras.