• 35mm 864.0mm2
  • 30.3 megapixels
  • ISO 100 - 40,000
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • Detailed specifications
  • Canon EOS R
  • Pentax K-3 III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K-3 II
K-3 II vs K-3 III
Successor:    
General
Model Number: EOS R K-3 III
Alternate Model Number(s): R K-3 Mark III
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $3399.00 $1999.95
Street Price: $1,499.33 $1,763.62
Date Available: 2018-10-15 2021-04-06
Tripod Mount: Yes Yes
Weight: 48.0 oz (1,360 g)
includes batteries, kit lens
28.9 oz (820 g)
includes batteries
Size: 5.3 x 3.9 x 3.3 in.
(136 x 98 x 84 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: Canon  
Effective Megapixels: 30.3 25.7
Sensor Format: 35mm APS-C
Sensor size: 864mm2 (36.00mm x 24.00mm) 361.15mm2 (23.30mm x 15.50mm)
Approximate Pixel Pitch: 5.36 microns 3.76 microns
Focal Length Multiplier: 1.0x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 89  
DxO Color Depth Score (bits): 24.5  
DxO Dynamic Range Score (evs): 13.5  
DxO Maximum Effective ISO Score (iso): 2,742  
Image Capture
Image Resolution: 6720 x 4480 (30.1 MP, 3:2),
4464 x 2976 (13.3 MP, 3:2),
3360 x 2240 (7.5 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
5952 x 4480 (26.7 MP, 4:3),
3968 x 2976 (11.8 MP, 4:3),
2976 x 2240 (6.7 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
6720 x 3776 (25.4 MP, 16:9),
4464 x 2512 (11.2 MP, 16:9),
3360 x 1888 (6.3 MP, 16:9),
2400 x 1344 (3.2 MP, Other),
4480 x 4480 (20.1 MP, 1:1),
2976 x 2976 (8.9 MP, 1:1),
2240 x 2240 (5.0 MP, 1:1),
1600 x 1600 (2.6 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 v2.3), RAW (14 bit), C-RAW; RAW+JPEG JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 8.0 12.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24/​23.98p)
1920x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1280x720 (120p/​100p/​60p/​30p)
3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
Movie File Format: MP4 (Video: MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio:ALL-I: Linear PCM; IPB: AAC) 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: HDMI HDMI
Lens & Optics
Lens Mount: Canon RF Pentax K (KA/KAF/KAF2/3/4)
Lens: Canon RF 24-105mm F4 L IS USM n/a
Focal Length (35mm equivalent): 24 - 105mm  
Focal Length (actual): 24 - 105mm  
Zoom Ratio: 4.38x  
Aperture Range: f/4 - f/22; with 9 blades  
Integrated ND Filter: No
Normal Focus Range: 39 cm to Infinity
15.4 in to Infinity
 
Macro Focus Range:    
Filter Thread: 77.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom:
Digital Zoom Values:    
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection AF: Dual Pixel CMOS AF; Max. 5655 points (selectable); Face+Tracking AF (with eye detection), 1-point AF ([AF frame size] can be set to [Small]), Expand AF Area (Above, below, left and right/Around); Zone AF Large Zone AF (Vertical/Horizontal) 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: EVF / LCD Optical / LCD
Viewfinder Type: EVF; 0.5-inch OLED, 3.69 million dots, 100% coverage, 0.76x magnification, 23mm eyepoint, -4 to +3 diopter, eye sensor SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter
Focus Peaking: Yes Yes
EVF Resolution: 3,690,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.76x 1.05x
Viewfinder Magnification (nominal/claimed): 0.76x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.2
Rear Display Resolution: 2,100,000 dots 1,620,000 dots (540,000 px)
Touchscreen: Yes Yes
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom:   16.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 40000 1600000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-40000 in 1/3 or 1 EV steps, expandable to 50 (L), 51200 (H1) and 102400 (H2) Auto, 100-1600000 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto (Ambience priority/White priority), Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom, 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: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Real-time metering with image sensor; 384 [24x16] zone Evaluative (AF point-linked), Center-weighted, Partial (center 6.1% of frame), Spot (center 2.7% of frame; AF point-linked spot metering not provided.) 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: Custom shooting mode C1, C2, C3; Multiple-exposure; HDR 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, 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No 24.0 megapixels
Flash
Built-in Flash: No No
Flash Modes: n/a 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: 1/200s 1/200
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe 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-II UHS-II
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (14 bit), C-RAW; RAW+JPEG 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: MP4 (Video: MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio:ALL-I: Linear PCM; IPB: AAC) MPEG-4 AVC/H.264 (MOV)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No No
Bluetooth: Yes Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 3.0 Super Speed,Bluetooth,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Via Wi-Fi or Bluetooth or optional wired Optional Wired or IR
Connections (extended): Mini HDMI (Type C), USB-C SuperSpeed USB (USB 3.1 Gen 1), 3.5mm stereo microphone and headphone jacks, remote jack 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): 0.31  
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): 0.30  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 8.0 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 126 30
RAW shooting speed in burst mode (fps): 8.0  
Buffer size for RAW shooting in burst mode (frames): 65  
RAW+JPEG shooting speed in burst mode (fps): 8.0  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 51  
Shutter lag (full AF, wide/mid): 0.10 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.076 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.052 seconds  
Shutter Lag (notes):    
Startup Time: 2.1 seconds  
Play -> Record Time: 0.9 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 370 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 350 shots 800 shots
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E6N/LP-E6 Proprietary D-LI90
Usable Battery Types: Lithium-ion Rechargeable or BG-E22 battery grip Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E6N 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: Yes Yes
Internal Charging Supported: Yes No
Software
Included Software:   Software CD-ROM includes Digital Camera Utility 5
OS Compatibility:    
Miscellaneous
Notes & Features: