• 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • APS-C 369.0mm2
  • 20.9 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Ricoh G900
  • Nikon Z50
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: G900 Z50
Alternate Model Number(s):    
Camera Format: Compact Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $799.95 $999.95
Street Price: $746.48 $806.95
Date Available: 2019-05-30 2019-11-15
Tripod Mount: Yes Yes
Weight: 8.7 oz (247 g)
includes batteries 		18.8 oz (533 g)
includes batteries, kit lens
Size: 4.7 x 2.6 x 1.3 in.
(118 x 66 x 33 mm) 		5.0 x 3.7 x 2.4 in.
(127 x 94 x 60 mm)
Waterproof: Yes No
Waterproof Depth: 65.00 feet (20 meters) n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 20.2 20.9
Sensor Format: 1/2.3 inch APS-C
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 1.19 microns 4.22 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None None
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 5184 x 3888 (20.2 MP, 4:3) 5568 x 3712 (20.7 MP, 3:2),
4176 x 2784 (11.6 MP, 3:2),
2784 x 1856 (5.2 MP, 3:2),
5568 x 3128 (17.4 MP, 16:9),
4176 x 2344 (9.8 MP, 16:9),
2784 x 1560 (4.3 MP, 16:9),
3712 x 3712 (13.8 MP, 1:1),
2784 x 2784 (7.8 MP, 1:1),
1856 x 1856 (3.4 MP, 1:1)
Image File Format: JPEG (EXIF 2.3) JPEG (EXIF 2.31), .NEF (RAW), 12 or 14 bit; RAW+JPEG
Continuous-mode frames/second: n/a 11.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 ()
1920x1080 ()
1280x720 () 		3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: MP4 (H.264 video with stereo audio) MOV, MP4 (Video: H.264/MPEG-4 AVC; Audio: Stereo Linear PCM, AAC)
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: n/a Nikon Z
Lens: Ricoh zoom lens; 11 elements in 9 groups, 5 aspherical elements, protective cover with SP coating Nikon Z DX 16-50mm f/3.5-6.3 VR
Focal Length (35mm equivalent): 28 - 140mm 24 - 75mm
Focal Length (actual): 5 - 25mm 16 - 50mm
Zoom Ratio: 5.00x 3.10x
Aperture Range: f/3.5 - 4.2 (wide) / f/5.5 - 6.6 (tele) f/3.5 (wide) / f/6.3 (tele) - f/16
Integrated ND Filter: No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity 		20 cm to Infinity
7.9 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in 		 
Filter Thread: n/a 46.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: Up to 8.1x; Intelligent Zoom up to 40.5x total at VGA n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 9-point AF, Spot AF, Auto tracking AF; Infinity-landscape, Pan Focus, Manual Focus Hybrid Phase/Contrast Detect AF with 209 PDAF points; Pinpoint, Single-Point, Dynamic-area AF, Wide-area AF (S/L), Auto-area AF; Face and Eye-detect AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type:   EVF: 2.36M-dot XGA OLED, 100% coverage, 1.02x magnification, 20mm eyepoint, -3 to +3 diopter, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 2,360,000 dots
Viewfinder Magnification (35mm equivalent):   0.68x
Viewfinder Magnification (nominal/claimed):   1.02x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,040,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom:    
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 51200
Minimum ISO (native): 125 100
ISO Settings: Auto (125-6400, adjustable), 125, 200, 400, 800, 1600, 3200, 6400 Auto, ISO 100 - 51200, expandable to 204,800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten light, Fluorescent light (D:Daylight Color, N:Daylight White, W:White Light), Ring Light, Manual Auto (2 types), Cloudy, Shade, Direct Sunlight, Flash, Fluorescent (7 types), Incandescent, Kelvin Color Temperature (2,500K-10,000K), Preset manual; Fine tuning available.
Shutter Speed Range: 1/4000 - 4 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot Matrix metering; Center-weighted (weight of approximately 75% given to 8mm circle in center of frame or weighting can be based on average of entire frame; Spot: meters circle with diameter of about 3.5mm (about 2.5% of frame) centered on selected focus point; Highlight-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: 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 Custom: U1, U2; Scene Modes: Autumn Colors, Beach / Snow, Blossom, Candlelight, Child, Close-up, Dusk / Dawn, Food, Landscape, Night Landscape, Night Portrait, Party / Indoor, Pet Portrait, Portrait, Sports, Sunset; Special Effects: Night Vision, Super Vivid, Pop, Photo Illustration, Toy Camera Effect, Miniature Effect, Selective Color, Silhouette, High Key, Low Key
Self Timer: 2 or 10 seconds 2/5/10/20s; 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Fill flash, Red-eye reduction, Slow sync, Red-eye reduction with slow sync, Rear-curtain sync, Auto, Auto with red-eye reduction, Auto slow sync, Auto slow sync with red-eye reduction, Flash off; Auto FP High-Speed sync supported
Flash Guide Number (ISO 100): n/a 7.0 m / 23.0 ft.
Flash Range Description: ISO Auto: Wide:approx. 0.2 - 5.5m / 0.66 - 18 ft., Tele:approx. 0.2 - 3.5m / 0.66 - 11 ft. GN=7m/22ft at ISO 100; range depends on lens aperture
Max Flash Sync:   1/200
Flash Exposure Compensation:   -3 to +1 EV in 0.3EV steps
External Flash Connection: n/a Hot Shoe
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: No UHS support UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   .NEF (RAW), 12 or 14 bit; RAW+JPEG
Movie File Format: MP4 (H.264 video with stereo audio) MOV, MP4 (Video: H.264/MPEG-4 AVC; Audio: Stereo Linear PCM, AAC)
Included Memory: 6,500.0 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: Yes No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 3.0 Super Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Wi-Fi/Bluetooth
Connections (extended): USB3.0 (Type C), Micro (Type D) HDMI Micro (Type-D) HDMI, Micro-B USB 2.0, 3.5mm Stereo Microphone Jack (plug-in power supported)
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):   11.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):    
RAW shooting speed in burst mode (fps):   11.0
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):   11.0
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 320 shots
Battery Life, Still (CIPA Rating OVF/EVF):   280 shots
Battery Life, Video:   75 minutes
Battery Form Factor: Proprietary DB-110 Proprietary EN-EL25
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary DB-110 Lithium-ion rechargeable 1 x Proprietary EN-EL25 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: Yes Yes
Software
Included Software:    
OS Compatibility:    
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.