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Sony Alpha 77 review

October 15, 2011

Overall Rating:

5

Sony Alpha 77


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  • Noise/resolution:
  • Metering:
  • Features:
  • AWB Colour:
  • LCD viewfinder:
  • Dynamic Range:
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Manufacturer:

Manufacturer:

Price as Reviewed:

£1,650.00

The many ‘world firsts’ on the Sony Alpha 77 include a 24.3-million-pixel APS-C sensor and a 2.4-million-pixel XGA OLED electronic viewfinder. In fact, there’s much to be excited about

Metering

Like the sensor found in the previous SLT cameras, the Alpha 77 makes use of a 1,200-zone evaluative metering system, collecting information in either multi-segment, spot or centreweighted areas.

A useful test to understand the behaviour of an evaluative multi-segment mode in a metering system is capturing the same scene but adjusting the level of brighter and darker areas in the frame. By angling the camera upwards in a landscape and increasing the amount of sky in the frame, the Alpha 77 could underexpose a little sooner for my liking, as skies can be a little bright even in a 50/50 split in the frame.

However, I largely kept metering to the multi-segment setting. Spot metering is limited to the active AF points, which varies according to the AF area selected. In local AF area, any one of the 19 points can be selected, while in zone AF it is one of the three central AF points from each of the three zones. All these points are in the centre portion of the frame, which limits where the spot reading is taken. I found a quicker method for an accurate exposure is keeping peaking activated to indicate blown-out highlights and adjust settings accordingly through exposure compensation.

  • External mic: Yes
  • White Balance: Auto, 6 presets, Kelvin, plus custom setting
  • Shutter Type: Electronically controlled focal-plane shutter
  • Built-in Flash: Yes – GN 12m @ ISO 100
  • Dioptre Adjustment: -4 to +3 dioptre
  • Memory Card: SD, SDHC, SDXC or Memory Stick Pro Duo
  • Viewfinder Type: 2.359-million-dot XGA OLED electronic
  • Output Size: 6000x4000 pixels
  • LCD: 3in LCD with 921,600 dots, tilted and articulated
  • Field of View: Approx 100%
  • AF Points: 19-point with 11 cross-type, auto or manual selection possible
  • White Balance Bracket: Yes, 3 images over 2 steps
  • Sensor: 24.3-million-effective-pixel HD CMOS sensor
  • Max Flash Sync: 1/160sec
  • Focal Length Mag: 1.5x
  • Exposure Modes: Auto, auto+, program, aperture priority, shutter priority, manual, and 8 scene modes including 3D sweep panorama
  • Weight: 732g approx including battery and card/s
  • File Format: Raw, JPEG, raw + JPEG simultaneously
  • Power: Rechargeable Li-Ion NP-FM500H battery
  • Shutter Speeds: 30-1/8000sec in 1⁄3EV steps plus bulb
  • Lens Mount: Sony Alpha mount
  • Colour Space: Adobe RGB, sRGB
  • Drive Mode: 12fps for 13 raw images
  • Compression: 2-stage JPEG
  • Connectivity / Interface: USB 2.0 Hi-Speed, HMDI
  • Metering System: 1,200-zone evaluative metering, centreweighted, and fixed centre spot
  • Dimensions: 142.6x104x80.9mm
  • DoF Preview: Yes
  • Focusing Modes: Manual, single-shot AF, automatic AF, continuous AF, face detection
  • ISO: ISO 100-16,000 (extended to ISO 50)
  • Exposure Comp: ±5EV in 1⁄3EV or 1/2EV steps
  • Tested as: Enthusiast-level DSLR
  • Video: AVCHD: 1920x1080 pixels (at 50fps or 25fps PAL); MP4: 1440x1080 pixels (25fps pal); VGA: 640x480 pixels (at 25fps)

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