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α99 II: Brian Smith Breaks Down Key New Features

Sony Artisan Brian Smith has written an article about his favorite new features in the a99 II that was announced at Photokina. He breaks down what's completely new, what's new to full frame and what's new to A-mount. Among Smith's highlights are:

AF & Metering Features

4D Predictive AF which uses a combination of the camera's 79-point Phase-Detection AF sensor and the 399-point Focal-plane Phase-Detection AF Sensor. This system is only possible with a translucent mirror camera.

Low-light AF performance matching the α7S & α7S II

New metering modes & improved Spot metering

Shooting Speed

12 fps shooting at full 42.4 megapixels

8 fps with minimal display lag in Live View 

Flicker-free high-speed shooting in challenging lighting conditions like fluorescent

5-axis In-Body Image Stabilizing (IBIS) developed for A-mount cameras

Video Features

4K internal recording without pixel binning or line skipping

Fast & slow motion video recording modes

S-Log2 and S-Log-3

Ability to extract 8 megapixels stills from 4K video

File Naming and Storage 

Custom naming and copyright embedding

Image storage options when shooting tethered

See Brian Smith's comprehensive writeup with specifics on how each of these features works on his blog.