• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A57
  • Olympus Stylus XZ-2
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A57 XZ-2
Alternate Model Number(s):    
Camera Format: SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $799.99 $599.99
Street Price:   $469.95
Date Available: 2012-04-15 2012-11-15
Tripod Mount: Yes Yes
Weight: 29.2 oz (828 g)
includes batteries, kit lens
12.6 oz (357 g)
includes batteries
Size: 5.2 x 3.8 x 3.2 in.
(132 x 98 x 81 mm)
4.4 x 2.6 x 1.9 in.
(113 x 65 x 48 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 16.1 12.0
Sensor Format: APS-C 1/1.7 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 4.82 microns 1.92 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 75 49
DxO Color Depth Score (bits): 23.4 20.4
DxO Dynamic Range Score (evs): 13.0 11.3
DxO Maximum Effective ISO Score (iso): 785 216
Image Capture
Image Resolution: 4912 x 3264 (16.0 MP, 3:2),
4912 x 2760 (13.6 MP, 16:9),
3568 x 2368 (8.4 MP, Other),
3568 x 2000 (7.1 MP, 16:9),
2448 x 1624 (4.0 MP, Other),
2448 x 1376 (3.4 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
5536 x 2160 (12.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
3872 x 2160 (8.4 MP, Other),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
3968 x 2976 (11.8 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG JPEG, 12-bit RAW
Continuous-mode frames/second: 10.0 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p(PS)/​60i(FX)/​60i(FH)/​24p(FX)/​24p(FH))
1440x1080 (30p)
640x480 (30p)
1920x1080 (30p)
1280x720 (30p)
Movie File Format: AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) .MOV (MPEG-4 AVC / H.264), Linear PCM, 16-bit, 48kHz stereo audio
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: Sony 18-55mm f/3.5-5.6 DT SAM i.Zuiko Digital ED; 11 elements in 8 groups
Focal Length (35mm equivalent): 27 - 83mm 28 - 112mm
Focal Length (actual): 18 - 55mm 6 - 24mm
Zoom Ratio: 3.06x 4.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 36 (T) f/1.8 (W) / f/2.5 (T) - f/8
Integrated ND Filter: No Yes
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
60 cm to Infinity
23.6 in to Infinity
Macro Focus Range:   1 - 60 cm
0.4 - 23.6 in
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking Contrast Detection: 35-area multiple AF (All target, Group target area (9-area), Single target)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD No / LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1.44M/1.25M-dot LCD (480K/418K-dot time-multiplexed RGB), 100% coverage, 1.04x/0.97x magnification, 23.1/25.2mm eyepoint, -4 to +3 diopter Optional VF-2 or VF-3 external EVF
Focus Peaking: Yes No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.69x  
Viewfinder Magnification (nominal/claimed): 1.04x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 920,000 dots (307,200 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 13.6x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 16000 12800
Minimum ISO (native): 100 100
ISO Settings: Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) AUTO ISO 100 - 12800 (customizable, Default 100-1600) Manual ISO 100 - 12800, 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) Auto, Lamp, Fluorescent 1, Fluorescent 2, Daylight, Cloudy, Shade, Underwater Auto, One-Touch
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 324-zone Digital ESP, Center-weighted Average, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night scene, Hand-held Twilight (6 shot layering), Night Portrait; Sweep Panorama, 3D Sweep Panorama, Auto Portrait Framing, Picture Effect (Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature), Dynamic Range Optimizer (Off/Auto/Level), Scene (Portrait, e-Portrait, Landscape, Sport, Night, Night + Portrait,Sunset, Documents, Panorama, Fireworks, Multiple Exposure, Beach & Snow, Underwater - Wide, Underwater - Macro), HDR , 11 Art Filters and 5 Art Effects
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off Auto, Red-eye reduction, Red-eye reduction slow sync., Slow sync at 1st curtain, Slow sync at 2nd curtain, Fill-in, Off.
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 5.2
Flash Range Description: Lens dependent ISO 1600: W:0.6 to 11.1m / T:0.6 to 8.5m
Max Flash Sync: 1/160  
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit ARW 2.3), RAW+JPEG 12-bit RAW
Movie File Format: AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) .MOV (MPEG-4 AVC / H.264), Linear PCM, 16-bit, 48kHz stereo audio
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional RM-UC1 Remote cable
Connections (extended): Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input Dedicated Multi-connector (USB/AV/Remote); Micro HDMI Type-D, Accessory Port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.21
Cycle time for RAW shooting in single shot mode (seconds per frame):   1.27
Buffer size for RAW shooting in single shot mode (frames):   7
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.62
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 10.0 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 4
RAW shooting speed in burst mode (fps):   5.0
Buffer size for RAW shooting in burst mode (frames):   3
RAW+JPEG shooting speed in burst mode (fps):   4.9
Buffer Size for RAW+JPEG shooting in burst mode (frames):   3
Shutter lag (full AF, wide/mid):   0.12 seconds
Shutter lag (full AF, tele):   0.11 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.069 seconds
Shutter lag (full AF, with flash):   0.18 seconds
Shutter Lag (prefocused):   0.033 seconds
Shutter Lag (notes):    
Startup Time:   1.8 seconds
Play -> Record Time:   1.4 seconds
Flash cycle time, full power:   3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   310 shots
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary Li-90B
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary Li-90B Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: Sony Software CD-ROM OLYMPUS [ib] software CD-ROM
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)  
Miscellaneous
Notes & Features: SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4.5 EV correction), Full HD 1080p60 Video, Up to 12 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, New Auto Portrait Framing, Tilting 921K-dot LCD, 1.44M-dot EVF. 3-inch 920K-dot tilting touchscreen LCD, Full HD movies, hybrid control ring, HDR backlit correction, 11 Art Filters and 5 Art Effects, FlashAir compatible, removable grip, accessory port. Body available in black only.