• APS-C 369.7mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • APS-C 369.7mm2
  • 16.2 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A55V
  • Ricoh GR
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Ricoh GR II
GR vs GR II
General
Model Number: A55 GR
Alternate Model Number(s): SLT-A55 (w/o GPS)  
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $849.99 $799.00
Street Price: $733.99  
Date Available: 2010-10-15 2013-05-15
Tripod Mount: Yes Yes
Weight: 25.6 oz (727 g)
includes batteries, kit lens
8.6 oz (243 g)
includes batteries
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 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: 16.2 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, 16:9 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: 73 78
DxO Color Depth Score (bits): 23.0 23.6
DxO Dynamic Range Score (evs): 12.4 13.5
DxO Maximum Effective ISO Score (iso): 818 972
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),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (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, RAW (ARW 2.2), RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (DNG), RAW+JPEG
Continuous-mode frames/second: 9.0 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i)
1440x1080 (30/​25)
640x480 (30/​25)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p)
640x480 (30p/​25p/​24p)
Movie File Format: AVCHD, MP4 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: 3.00x 1.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No Yes
Normal Focus Range:   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: No Yes
Digital Zoom Values: n/a 35mm eq. crop mode
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. 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") 1,152Kdots, 100% coverage, 1.10x mag., 19mm eyepoint, -4 to +4 diopter Optional hotshoe mounted optical viewfinders
Focus Peaking: No No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x  
Viewfinder Magnification (nominal/claimed): 1.10x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 11.8x 16.0x
Top Deck Display: No
Exposure
Maximum ISO (native): 12800 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (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, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-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: +/- 2.0EV 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, Landscape, Macro, Sports action, Sunset, Night portrait, Night view, Hand-held Twilight, Sweep Panorama (2D/3D) 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: Full TTL exposure  
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 (ARW 2.2), RAW+JPEG 12-bit RAW (DNG), RAW+JPEG
Movie File Format: AVCHD, MP4 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
Bluetooth: No No
Built-In GPS: Yes No
Microphone Jack: Yes 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 HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack Micro HMDI (Type-D)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.52 1.02
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.52 0.96
Buffer size for RAW shooting in single shot mode (frames): 28 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.33
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.0 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 32 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): 0.22 seconds 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): 0.214 seconds 0.092 seconds
Shutter lag (full AF, with flash): 0.48 seconds 0.46 seconds
Shutter Lag (prefocused): 0.103 seconds 0.028 seconds
Shutter Lag (notes): Full AF, wide-area mode = 0.218s Full Autofocus lag, Multi AF mode = 0.287s
Startup Time: 0.9 seconds 1.6 seconds
Play -> Record Time: 0.6 seconds 0.5 seconds
Flash cycle time, full power: 3.7 seconds 1.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   290 shots
Battery Life, Still (CIPA Rating OVF/EVF): 330 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary DB-65
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 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: No
Internal Charging Supported: Yes
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) Software CD-ROM
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)  
Miscellaneous
Notes & Features: SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080i HD Video, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 10fps Burst Mode, Built-in GPS. SLT-A55 is identical but without GPS.