Monday, May 05, 2014

Sony announces SLT-A77 II


Sony has announced the Mark II version of its SLT-A77 DSLR with APS-C sensor. Incorporating some updated features the camera will retail around £999 for body only, placing it squarely in the semi-pro category. Here are some details on its features:

Dedicated AF sensor with 79 phase-detection AF points:

Sony’s newly developed AF system comes with the world’s highest number of phase-detection AF points (79 including 15 cross points). Spreading the points over an area approximately twice as wide as in the α77, Sony has optimised subject tracking to stay locked on your subject even in difficult conditions with great performance extremely well in low-light conditions — as low as EV -2 (ISO 100) according to Sony.

12fps for up to 60 frames, with AF tracking:

Incorporating 12fps continuous shooting, the A77 MkII allows you to capture the decisive moment at the full 24.3-megapixel resolution of the sensor, even during the tracking of fast-moving subjects. Up to 60 frames can be recorded per burst.

Sophisticated AF algorithm:

Sony has developed an AF algorithm that it claims strikes the perfect balance of speed and stability. Apparently, it does this by accurately analysing detailed AF metering data from the 79 AF points, as well as subject position data that takes subject movement continuity into account. Tracking performance is further improved when using the Lock-on AF function, which analyses information on subject colour as well as subject position.

Other features include:

1. Expanded Flexible Spot - using one of 8 surrounding AF points to make sure highly accurate tracking of your moving subject continues without interruption.

2. Enhanced Focus Area modes - Lock-on AF, which optimises target frame size and ensures use of the optimal AF point, is now available as a focus area mode. You can choose the initial AF point for tracking from the Wide, Zone, Center, Flexible Spot or Expanded Flexible Spot area mode.

3. 5-step tracking adjustment - AF tracking duration is adjustable in 5 steps, with low settings prioritising stability and high settings prioritising speed. Three settings are also available when shooting movies.

4. Eye AF - The face is sharply focused thanks to extremely accurate Eye AF. A green frame appears over the prioritised eye when focus has been achieved.

5. AF Range Control - You can limit autofocusing to a specified range of distance from the camera so the α77 II stays focused on your subject even if objects enter the AF frame in front of or behind your subject.

For more detailed specification, check out the A77 II micro-site at A77 II.

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