• APS-C 366.6mm2
  • 24.2 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • Detailed specifications
  • Ricoh GR III
  • Pentax K-3 III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Ricoh GR II
GR II vs GR III
Pentax K-3 II
K-3 II vs K-3 III
Successor:    
General
Model Number: GR III K-3 III
Alternate Model Number(s):   K-3 Mark III
Camera Format: Compact Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $899.95 $1999.95
Street Price: $984.30 $1,846.95
Date Available: 2019-03-22 2021-04-06
Tripod Mount: Yes Yes
Weight: 9.1 oz (257 g)
includes batteries
28.9 oz (820 g)
includes batteries
Size: 4.3 x 2.4 x 1.3 in.
(109 x 62 x 33 mm)
5.3 x 4.1 x 2.9 in.
(135 x 104 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 24.2 25.7
Sensor Format: APS-C APS-C
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 361.15mm2 (23.30mm x 15.50mm)
Approximate Pixel Pitch: 3.92 microns 3.76 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
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: 6000 x 4000 (24.0 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
3360 x 2240 (7.5 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
4000 x 4000 (16.0 MP, 1:1),
3200 x 3200 (10.2 MP, 1:1),
2240 x 2240 (5.0 MP, 1:1),
1280 x 1280 (1.6 MP, 1:1)
6192 x 4128 (25.6 MP, 3:2),
4752 x 3168 (15.1 MP, 3:2),
3648 x 2432 (8.9 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
Image File Format: JPEG (EXIF 2.3), 14-bit RAW (DNG), RAW+JPEG JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 4.3 12.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​30p/​24p) 3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
Movie File Format: MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM) MPEG-4 AVC/H.264 (MOV)
Composite Video Out: No 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: Display Port HDMI
Lens & Optics
Lens Mount: n/a Pentax K (KA/KAF/KAF2/3/4)
Lens: GR lens, 6 elements in 4 groups with 2 aspheric elements n/a
Focal Length (35mm equivalent): 28mm  
Focal Length (actual): 18.3mm  
Zoom Ratio: 1.00x  
Aperture Range: f/2.8 - f/16, with 9-bladed diaphragm; 2EV ND filter  
Integrated ND Filter: Yes No
Normal Focus Range: 10 cm to Infinity
3.9 in to Infinity
 
Macro Focus Range: 6 - 12 cm
2.4 - 4.7 in
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: 35mm eq. crop mode  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid AF Phase/Contrast Detection: Auto-area AF, Zone AF, Select AF, Pinpoint AF, Tracking AF, Continuous AF, MF, Snap, Infinity SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD Optical / LCD
Viewfinder Type: Optional hotshoe mounted optical viewfinders SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   1.05x
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,620,000 dots (540,000 px)
Touchscreen: Yes Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 102400 1600000
Minimum ISO (native): 100 100
ISO Settings: Auto, ISO 100 - 102,400 Auto, 100-1600000 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto White Balance, Multi Auto White Balance, Daylight, Shade, Cloudy, Fl. - Daylight Color, Fl. - Daylight White, Fl. - Cool White, Fl. - Warm White, Tungsten, CTE, Manual White Balance, Color Temperature Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings), Copying the white balance setting of a captured image
Shutter Speed Range: 1/4000 - 1200 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot, Highlight-weighted TTL open-aperture: Multi-segment with 307K-pixel RGBIr sensor, Center-weighted, Spot, Highlight-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Standard, Vivid, Monotone, Soft Monotone, Hard Monotone, Hi-Contrast B&W, Positive Film, Bleach Bypass, Retro, HDR Tone, Custom1, Custom 2; Highlight Correction, Shadow Correction Scene Analyze Auto, Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Tone Expansion, Bold Monochrome, Grainy Monochrome; HDR: Auto, HDR1, HDR2, HDR3, Advanced HDR, Exposure bracket value adjustable, Automatic composition correction function; Pixel Shift Resolution (On/Off)
Self Timer: 2, 12 seconds 2 or 12 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No 24.0 megapixels
Flash
Built-in Flash: No No
Flash Modes: Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye P-TTL; Modes available depends on external flash mounted
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync:   1/200
Flash Exposure Compensation: -2 to +1 EV -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe (Compatible with P-TTL Auto Flash) Hot Shoe, PC Sync socket
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (DNG), RAW+JPEG 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: MOV (Image: MPEG-4 AVC/H.264, Sound: Linear PCM) MPEG-4 AVC/H.264 (MOV)
Included Memory: 2,000.0 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No No
Bluetooth: Yes Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 3.0 Super Speed,Bluetooth,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Via Wi-Fi/Bluetooth Optional Wired or IR
Connections (extended): USB-C (supports DisplayPort) USB 3.2 Gen1 (Type-C), Micro B,Micro (Type D) HMDI, External cable switch terminal (2.5mm), X-sync socket, 3.5mm stereo mic input, 3.5mm headphone jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.66  
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): 0.65  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 4.3 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 30
RAW shooting speed in burst mode (fps): 4.1  
Buffer size for RAW shooting in burst mode (frames): 9  
RAW+JPEG shooting speed in burst mode (fps): 4.3  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 9  
Shutter lag (full AF, wide/mid): 0.18 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.028 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.026 seconds  
Shutter Lag (notes):    
Startup Time: 0.7 seconds  
Play -> Record Time: 0.5 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   800 shots
Battery Life, Video:    
Battery Form Factor: Proprietary DB-110 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary DB-110 Lithium-ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No Yes
Internal Charging Supported: Yes No
Software
Included Software:   Software CD-ROM includes Digital Camera Utility 5
OS Compatibility:    
Miscellaneous
Notes & Features: