• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • APS-C 369.7mm2
  • 16.2 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A57
  • Ricoh GR
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Ricoh GR II
GR vs GR II
General
Model Number: A57 GR
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $799.99 $799.00
Street Price:    
Date Available: 2012-04-15 2013-05-15
Tripod Mount: Yes Yes
Weight: 29.2 oz (828 g)
includes batteries, kit lens
8.6 oz (243 g)
includes batteries
Size: 5.2 x 3.8 x 3.2 in.
(132 x 98 x 81 mm)
4.6 x 2.4 x 1.4 in.
(117 x 61 x 35 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 16.1 16.2
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 4.82 microns 4.81 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 75 78
DxO Color Depth Score (bits): 23.4 23.6
DxO Dynamic Range Score (evs): 13.0 13.5
DxO Maximum Effective ISO Score (iso): 785 972
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)
4928 x 3264 (16.1 MP, Other),
4352 x 3264 (14.2 MP, 4:3),
3246 x 3264 (10.6 MP, Other),
3936 x 2608 (10.3 MP, Other),
3488 x 2608 (9.1 MP, Other),
2608 x 2608 (6.8 MP, 1:1),
2912 x 1936 (5.6 MP, 3:2),
2592 x 1936 (5.0 MP, Other),
1936 x 1936 (3.7 MP, 1:1),
1280 x 864 (1.1 MP, Other),
1152 x 864 (1.0 MP, 4:3),
864 x 864 (0.7 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1280 x 720 (0.9 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (DNG), RAW+JPEG
Continuous-mode frames/second: 10.0 4.0
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/​25p/​24p)
1280x720 (60p/​50p/​30p)
640x480 (30p/​25p/​24p)
Movie File Format: AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM)
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 GR lens, 7 elements in 5 groups with 2 aspheric elements
Focal Length (35mm equivalent): 27 - 83mm 28mm
Focal Length (actual): 18 - 55mm 18.3mm
Zoom Ratio: 3.06x 1.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 36 (T) f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No Yes
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:   10 cm to Infinity
3.9 in to Infinity
Filter Thread: 55.0mm 43.0mm
Thread Type: n/a (Hood & Adapter GH-2 required)
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 35mm eq. crop mode
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: Multi AF, Spot AF, Pinpoint AF, Subject-tracking AF, MF, Snap, infinity, Face recognition priority (only in Auto mode); Continuous Focus point adjustment: Auto, User-Selectable, Center
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 hotshoe mounted optical viewfinders
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) 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 13.6x 16.0x
Top Deck Display: No
Exposure
Maximum ISO (native): 16000 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600) Auto, Auto-Hi, Manual ISO 100 - 25,600
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, Multi-P Auto, Outdoors, Shade, Cloudy, Incandescent 1, Incandescent 2, Daylight FL, Natural White FL, Cool White FL, Warm White FL, CT, Manual
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 300 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 4.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot Multi (484 segments), Center-weighted, 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), Effects modes (B&W, B&W (TE), High Contrast B&W, Cross-Process, Positive Film, Bleach-Bypass, Retro, Miniaturize, High-Key) Multiple Exposure (2-4 shots), Dynamic Range Correction.
Self Timer: 2 or 10 seconds 2, 12 seconds
Time Lapse (intervalometer):   Yes
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, Flash On, Slow-Sync, Manual, Auto Red-Eye Flash, Flash On Red-Eye, Slow-Sync Red-Eye
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 5.4
Flash Range Description: Lens dependent Auto ISO: 20cm - 3.0m
Max Flash Sync: 1/160 1/4000 (ext: 1/400)
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:    
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
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 (DNG), RAW+JPEG
Movie File Format: AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM)
Included Memory:   54.0 MB
Included Memory Type:   Internal
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 No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional CA-2 wired release (via USB)
Connections (extended): Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input Micro HMDI (Type-D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.02
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.96
Buffer size for RAW shooting in single shot mode (frames):   Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.33
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 10.0 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 Unlimited
RAW shooting speed in burst mode (fps):   6.1
Buffer size for RAW shooting in burst mode (frames):   4
RAW+JPEG shooting speed in burst mode (fps):   6.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   4
Shutter lag (full AF, wide/mid):   0.28 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.092 seconds
Shutter lag (full AF, with flash):   0.46 seconds
Shutter Lag (prefocused):   0.028 seconds
Shutter Lag (notes):   Full Autofocus lag, Multi AF mode = 0.287s
Startup Time:   1.6 seconds
Play -> Record Time:   0.5 seconds
Flash cycle time, full power:   1.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   290 shots
Battery Life, Still (CIPA Rating OVF/EVF): 550 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary DB-65
Usable Battery Types: NP-FM500H Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary DB-65 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 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.