Sony A57 Review

4.5
June 7, 2012 | Mark Goldstein |

Specifications

Lens Mount

Sony α mount
YES

Lens Compatibility

All types of Sony α lenses
YES

Image Sensory

Image sensor type
CMOS Sensor
Image sensor colour filter
R, G, B, Primary color
Size (mm)
23.5 x 15.6mm (APS-C size)

Camera

Total sensor Pixels (megapixels)
Approx. 16.7
Effective Pixels (megapixels)
Approx. 16.1
Automatic White Balance
YES
White balance: preset selection
Auto / Daylight/ Shade/ Cloudy/ Incandescent/ Fluorescent / Flash / Custom
White balance: custom setting
YES
White balance: types of color temperature
2500 - 9900 k (G7 to M7,15-step) (A7 to B7,15-step)
White balance bracketing
3 frames, Selectable 2 steps
ISO Sensitivity Setting
ISO100 - 16000 equivalent

SteadyShot INSIDE

System: Sensor-shift mechanism
YES
SteadyShot INSIDE scale (in viewfinder)
NO
Camera-Shake warning (in viewfinder)
NO
SteadyShot INSIDE capability
Approx. 2.5 EV - 4.5 EV decrease in shutter speed (varies according to shooting conditions and lens used)
SteadyShot INSIDE compatibility
All Sony DSLR lenses and A-Mount bayonet lenses from Minolta and Konica Minolta
*SteadyShot INSIDE was previously known as Super SteadyShot

Anti-Dust

Charge protection coating on Low-Pass Filter and electromagnetic vibration mechanism
YES

Auto Focus System

TTL phase-detection system
YES
Contrast AF system
NO
Sensor
15 points (3 points cross type)
Sensitivity Range (at ISO 100 equivalent); EV
-1 to 18
Eye Start AF System (on off selectable)
YES
AF Area: Wide focus area
YES (auto with 15 areas)
AF Area: Spot
YES
AF Area: Local focus area selection
YES (auto with 15 areas)
AF Area: Multi Point
NO
AF Area: Center Weighted
NO
AF Area: Flexible Spot
NO
AF Modes
Single-shot AF, Automatic AF, Continuous AF
Predictive Focus Control
YES
Focus Lock
YES
AF Illuminator
YES (built-in)
AF Illuminator range (meters)
Approx. 1-5

Auto Exposure System

Light metering type
1200-zone evaluative metering
Light metering cell
Exmor™ CMOS Sensor
Light metering: Multi segment
YES
Light metering: Spot
YES
Light metering: Center weighted
YES
Exposure: Automatic
YES
Exposure: Program Auto
YES
Exposure: iAUTO
YES
Exposure: AUTO+
NO
Exposure: AUTO+
YES
Exposure: Shutter priority
YES
Exposure: Aperture priority
YES
Exposure: Manual
YES
Exposure: Scene selection
YES
Sweep Panorama
YES (2D, 3D)
Anti Motion Blur
NO
AE Lock
YES
Exposure compensation
YES, +/- 3.0EV (1/3EV steps)
AE Bracketing
With 1/3EV, 2/3EV increments, 3 frames

Shutter

Type
Electronically-controlled, vertical-traverse, focal-plane type
Shutter Speed Range (seconds)
1/4000 - 30 and bulb
Flash Sync Speed; second
1/160
Flash Sync Speed (With Steady Shoot On); second
1/160

Flash

Built-in-Flash Guide Number (in meters at ISO 100)
10
Flash Metering System
ADI / Pre-flash TTL
Flash Compensation
+/- 2.0EV (1/3EV steps)
Built-in-Flash Recycling Time (approx. time in seconds)
3
Flash Mode
Autoflash, Fill-flash, Slow sync, Rear flash sync, Red-eye reduction
Wireless flash mode
YES (with optional compatible accessory flash)
Red-Eye Reduction
YES
Flash Popup
Auto

Viewfinder

Type
Electronic
Focusing Screen
NO
Field of View (%)
100
Magnification (with 50mm lens at infinity)
1.04x
Eye Relief
Approx. 25.2mm from the Eyepiece lens
Diopter Adjustment
-4.0 to +3.0 diopter

Live View

Live View
YES

LCD screen

Screen Size
7.5cm / 3 Wide
Monitor Type
TFT
LCD Total Dot Number
921600
Brightness adjustable
YES
Tilting screen
YES
Rotating screen
YES

Recording

Drive Mode
Single, Continuous, 10 seconds and 2 seconds Self-timer, Bracket (continues, single, white balance bracket, DRO bracket)
Continuous-Advance Rate (approx. frames per second at maximum)
max. 12 fps
Number of Continuous Advance
Fine: 23 images/Standard: 25 images/RAW & JPEG: 18 images/RAW: 21 images
Recording Media
Memory Stick PRO Duo™, Memory Stick PRO-HG Duo™, SD, SDHC, SDXC memory cards
Recording Format
JPEG (DCF Ver. 2.0, Exif Ver. 2.3, MPF Baseline compliant), 3D still image MPO (MPF Extended stereovision compliant), RAW (Sony ARW 2.3 format), RAW & JPEG
Image Size L - JPEG (pixels)
4912 x 3264 (16M)
Image Size M (pixels)
3568 x 2368 (8.4M)
Image Size S (pixels)
2448 x 1624 (4.0M)
Panorama size:Max. degrees of sweep angle(focal length 16mm/18mm)
Wide: horizontal 12,416 x 1,856 (23M), vertical 5,536 x 2,160 (12M), Standard: horizontal 8,192 x 1,856 (15M), vertical 3,872 x 2,160 (8.4M)
3D Panorama size:Max. degrees of sweep angle(Focal length:16mm/18mm)
Wide: 7152 x 1080 (7.7M), Standard: 4912 x 1080 (5.3M), 16:9: 1920 x 1080 (2.1M)
Still Image quality
RAW, RAW+JPEG, JPEG Fine, JPEG Standard
Movie Recording Format
AVCHD / MP4
Video Compression
AVCHD Ver. 2.0 compliant / MPEG-4 AVC (H.264)
Audio recording Format
Dolby Digital (AC-3) / MPEG-4 AAC-LC, 2ch
Movie recording mode - AVCHD
1920 x 1080 (50p recording, 28 Mbps, 50i 24 Mbps, 50i 17 Mbps, 25p 24 Mbps, 25p 17 Mbps, 25p 12 Mbps)
Movie recording mode - MP4
1440 x 1080(Approx.25fps, 12Mbps(Average bit-rate)
Noise Reduction (Long exp.NR)
On/Off, available at shutter speeds longer than 1 second
Noise Reduction (High ISO NR)
YES
Noise Reduction (Multi Frame NR)
YES
Color Space (sRGB)
YES
Color Space (Adobe RGB)
YES
Color mode/DEC/Creative styles
Standard, Vivid, Portrait , Landscape, Sunset, Black & White, Saturation, Sharpness
Dynamic Range Optimizer
Off, Auto

Playback/Edit

White/Black Out Alert
YES
Index Playback
YES
Enlarge (Maximum magnification)
L size: 13.6x, M size: 9.9x, S size: 6.8x
Image Rotation
YES
Auto Image Rotation
YES

General

InfoLITHIUM Battery Indicator
YES
Histogram Indicator
YES
Exif
YES
Exif Print
YES
PictBridge
NO
Zone Matching
NO
Depth-of-Field Preview
YES
PRINT Image Matching III
YES
Remote Release Terminal
YES
IR Remote Control
YES
DPOF(Digital Print Order Format)
YES
Indicator of remaining memory space
YES
Beep Sound
On/Off selectable
File Number Memory
On/Off selectable
Folder Name Mode
Standard and Date
Operating Temperature (degrees C)
0 - 40

Jacks

Video Out
NO
HD/HDMI® Out
YES
USB 2.0 Hi-Speed
YES
USB Mode
Mass-storage, MTP

Power/Others

Battery System
NP-FM500H
Supplied Battery
NP-FM500H
Stamina (battery life in CIPA condition)
Approx. 550 shots(Viewfinder) / approx. 590 shots(LCD monitor) (CIPA standard)
Weight (g) (Body only)
Approx. 539

Dimensions

Width (mm)
132.1
Height (mm)
97.5
Depth (mm)
80.7

Entry Tags

hd video, hd, 3 inch LCD, review, 1080p, 16 megapixel, test, hdmi, video, movie, sony, RAW, DSLR, tilting, 10fps, EVF, alpha, JPEG, slt, 12fps, slt-a57, a57, Sony A57

Tracker Pixel for Entry