• APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Sigma sd Quattro
  • Ricoh G900
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: sd Quattro G900
Alternate Model Number(s):    
Camera Format: Compact System Camera Compact
Currently Manufactured: Yes Yes
Retail Price: $799.99 $799.95
Street Price: $699.00 $746.48
Date Available: 2016-07-15 2019-05-30
Tripod Mount: Yes Yes
Weight: 22.0 oz (625 g) 8.7 oz (247 g)
includes batteries
Size: 5.8 x 3.7 x 3.6 in.
(147 x 95 x 91 mm)
4.7 x 2.6 x 1.3 in.
(118 x 66 x 33 mm)
Waterproof: No Yes
Waterproof Depth: n/a 65.00 feet (20 meters)
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3 Quattro  
Effective Megapixels: 19.6 20.2
Sensor Format: APS-C 1/2.3 inch
Sensor size: 364.25mm2 (23.50mm x 15.50mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 4.33 microns 1.19 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: Full Color RGBG
Anti Aliasing Filter: Not needed None
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: Yes No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 5424 x 3616 (19.6 MP, 3:2),
4816 x 3616 (17.4 MP, 4:3),
5424 x 3048 (16.5 MP, 16:9),
3616 x 3616 (13.1 MP, 1:1),
4480 x 3616 (16.2 MP, Other),
5424 x 2328 (12.6 MP, Other),
7680 x 5120 (39.3 MP, 3:2),
6816 x 5120 (34.9 MP, 4:3),
7680 x 4320 (33.2 MP, 16:9),
5120 x 5120 (26.2 MP, 1:1),
7680 x 3296 (25.3 MP, Other),
6352 x 5120 (32.5 MP, Other)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG (EXIF 2.3), Lossless compressed 14-bit X3F RAW, (Uncompressed 12-bit DNG via upcoming firmware update), RAW(X3F)+JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: n/a n/a
Video Capture
Can take movies: No Yes
Movie Resolution: 3840x2160 ()
1920x1080 ()
1280x720 ()
Movie File Format:   MP4 (H.264 video with stereo audio)
Composite Video Out: No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sigma SA bayonet n/a
Lens: n/a Ricoh zoom lens; 11 elements in 9 groups, 5 aspherical elements, protective cover with SP coating
Focal Length (35mm equivalent):   28 - 140mm
Focal Length (actual):   5 - 25mm
Zoom Ratio:   5.00x
Aperture Range:   f/3.5 - 4.2 (wide) / f/5.5 - 6.6 (tele)
Integrated ND Filter: No
Normal Focus Range:   50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   1 - 30 cm
0.4 - 11.8 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values:   Up to 8.1x; Intelligent Zoom up to 40.5x total at VGA
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid Phase/Contrast Detect AF: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF Mode Contrast Detection: 9-point AF, Spot AF, Auto tracking AF; Infinity-landscape, Pan Focus, Manual Focus
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD No / LCD
Viewfinder Type: EVF: 2,360K-dot LCD, 100% coverage, 1.10x magnification, 21mm eyepoint, -4 to +2 diopter  
Focus Peaking: Yes No
EVF Resolution: 2,360,000 dots 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: 1,620,000 dots 1,040,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:    
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 6400
Minimum ISO (native): 100 125
ISO Settings: Auto, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits Auto (125-6400, adjustable), 125, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3 Auto, Daylight, Shade, Tungsten light, Fluorescent light (D:Daylight Color, N:Daylight White, W:White Light), Ring Light, Manual
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Evaluative, center-weighted average, spot Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome HDR, Movie, High Speed Movie, Digital Microscope, Interval Shot, Interval Movie, Surf & Snow, Digital SR, Report, Watermark, Firefighting, Skew Correct, Text, Zoom Macro, Haze removal, Depth of field composition
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: n/a Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a ISO Auto: Wide:approx. 0.2 - 5.5m / 0.66 - 18 ft., Tele:approx. 0.2 - 3.5m / 0.66 - 11 ft.
Max Flash Sync: 1/180  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Hot Shoe, PC Socket n/a
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: Lossless compressed 14-bit X3F RAW, (Uncompressed 12-bit DNG via upcoming firmware update), RAW(X3F)+JPEG  
Movie File Format:   MP4 (H.264 video with stereo audio)
Included Memory: No memory included 6,500.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 3.0 Super Speed USB 3.0 Super Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Optional wired (Cable Release Switch CR-3)  
Connections (extended): Mini (Type-C) HDMI USB3.0 (Type C), Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution):    
Buffer size for JPEG shooting in burst mode (frames, max resolution):    
RAW shooting speed in burst mode (fps): 3.6  
Buffer size for RAW shooting in burst mode (frames): 14  
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   340 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary BP-61 Proprietary DB-110
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-61 Lithium-ion rechargeable 1 x Proprietary DB-110 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: SIGMA Photo Pro Download  
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: Waterproof (65 ft), dustproof, shockproof (6.5 ft), crushproof (220 lbf) and chemical-resistant; includes CALS mode, built-in GPS, electronic compass, barcode scanning function, password protected camera lock, 6.5GB of built-in memory and an electronic level.