Sony SLT-A77

Announced Aug 24, 2011 •
24 megapixels | 3 screen | APS-C sensor
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Product description
Announced Aug 24, 2011

The A77 is the long-awaited replacement for the A700, and spec-wise it's impressive: the A77 features a new 24MP APS-C CMOS sensor, 12fps full-resolution shooting and the highest resolution EVF we've ever encountered (a 2.4M dot OLED finder). It also uses a new 19-point AF sensor, 11 points of which are cross-type (sensitive to detail in both the vertical and horizontal axis). Clever use of the main sensor's live view allows the A77 to track objects as they move across the frame, enabling the camera to have a better understanding of which AF point it should be using at any given time.

The A77 isn't perfect, but we're pretty confident though that whatever your level of expectations and expertise, its rugged and well thought-out ergonomics, innovative full-time live view and AF systems and exceptionally good EVF will keep you very happy indeed. However, the somewhat mushy JPEG image quality, high noise levels and slightly laggy operation stop the A77 from getting a gold award.

Quick specs
Body type Mid-size SLR
Max resolution 6000 x 4000
Effective pixels 24 megapixels
Sensor size APS-C (23.5 x 15.6 mm)
Sensor type CMOS
ISO Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000 (50, 25600 with boost)
Lens mount Sony/Minolta Alpha
Focal length mult. 1.5×
Articulated LCD Fully articulated
Screen size 3
Screen dots 921,000
Min shutter speed 30 sec
Max shutter speed 1/8000 sec
Format MPEG-4, AVCHD, H.264
Storage types SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
USB USB 2.0 (480 Mbit/sec)
Weight (inc. batteries) 732 g (1.61 lb / 25.82 oz)
Dimensions 143 x 104 x 81 mm (5.63 x 4.09 x 3.19)
GPS BuiltIn

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Our review

The A77 is a well-designed camera which spans the mid-range and semi-professional categories. Its headline features, high pixel count and blazingly fast continuous shooting, will attract a lot of interest, but of greater utility in day-to-day use are its effective ergonomics, reliable systems, and excellent full-time live view system and full-time AF.

Good for: Everyday stills and video work in a wide range of situations, and casual sports and action photography.

Not so good for: High ISO available light photography, and 'serious' sports and action work.

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Silver Award
81%
dpreview score
Scoring
Build quality
Ergonomics & handling
Features
Metering & focus accuracy
Image quality (raw)
Image quality (jpeg)
Low light / high ISO performance
Viewfinder / screen rating
Performance
Movie / video mode
Value
Sony Alpha SLT-A77 Review Samples
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Sony SLT-A77 Preview Samples
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