• 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 600.00mm (35mm eq.)
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • Detailed specifications
  • Canon PowerShot G3 X
  • 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: G3X K-3 III
Alternate Model Number(s):   K-3 Mark III
Camera Format: Mid-Sized Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $999.99 $1999.95
Street Price: $749.00 $1,846.95
Date Available: 2015-07-15 2021-04-06
Tripod Mount: Yes Yes
Weight: 26.1 oz (739 g)
includes batteries
28.9 oz (820 g)
includes batteries
Size: 4.9 x 3.0 x 4.1 in.
(123 x 77 x 105 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: 20.2 25.7
Sensor Format: 1 inch APS-C
Sensor size: 116.16mm2 (13.20mm x 8.80mm) 361.15mm2 (23.30mm x 15.50mm)
Approximate Pixel Pitch: 2.41 microns 3.76 microns
Focal Length Multiplier: 2.7x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 63  
DxO Color Depth Score (bits): 21.4  
DxO Dynamic Range Score (evs): 12.3  
DxO Maximum Effective ISO Score (iso): 521  
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
4320 x 2880 (12.4 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
4320 x 2432 (10.5 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
720 x 408 (0.3 MP, Other),
4864 x 3648 (17.7 MP, 4:3),
3840 x 2880 (11.1 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
3648 x 3648 (13.3 MP, 1:1),
2880 x 2880 (8.3 MP, 1:1),
1536 x 1536 (2.4 MP, 1:1),
480 x 480 (0.2 MP, 1:1),
2912 x 3648 (10.6 MP, Other),
2304 x 2880 (6.6 MP, Other),
1232 x 1536 (1.9 MP, Other),
384 x 480 (0.2 MP, Other)
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 (.CR2), RAW+JPEG JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 7.3 12.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​30p/​24p)
1280x720 (30p)
640x480 (30p)
1920x1080 (30p/​15p)
1280x720 (6p/​3p/​1.5p)
640x480 (6p/​3p/​1.5p)
3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
Movie File Format: MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo)) 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: n/a Pentax K (KA/KAF/KAF2/3/4)
Lens: Canon Zoom Lens with USM; 18 elements in 13 groups n/a
Focal Length (35mm equivalent): 24 - 600mm  
Focal Length (actual): 8.8 - 220mm  
Zoom Ratio: 25.00x  
Aperture Range: f/2.8 (W) / f/5.6 (T) - f/11, with 9-blade aperture; built-in 3-stop ND filter  
Integrated ND Filter: Yes No
Normal Focus Range: 5 cm to Infinity
2.0 in to Infinity
 
Macro Focus Range: 5 - 50 cm
2.0 - 19.7 in
 
Filter Thread: n/a n/a
Thread Type: Bayonet adapter n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes
Digital Zoom Values: Up to 4x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect AF with Face Detection; 31-point AiAF, 1-point (center for face select and track), Touch AF 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 hot-shoe attachable EVF-DC1, 2.36M-dot OLED EVF. 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: 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): 3.2 3.2
Rear Display Resolution: 1,620,000 dots (540,000 px) 1,620,000 dots (540,000 px)
Touchscreen: Yes Yes
Articulating Screen: Yes No
Tilt Swivel Screen: No No
Selfie Screen: Yes No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 12800 1600000
Minimum ISO (native): 125 100
ISO Settings: Auto, ISO 125-12800 in 1/3 EV steps Auto, 100-1600000 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Fluorescent H, Flash, Custom 1, Custom 2 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: 1/2000 - 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: Evaluative, Center-weighted average, Spot (center or linked to Touch AF frame), Face Detect AE 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: Scene Modes: Sports, Portrait, Smart Shutter, Star (Star Nightscape, Star Trails, Star Time-Lapse Movie), Handheld Night Scene, Snow, Fireworks; Filters: High Dynamic Range, Nostalgic, Fisheye Effect, Miniature Effect, Toy Camera Effect, Background Defocus, Soft Focus, Monochrome, Super Vivid, Poster Effect 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, Custom seconds 2 or 12 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No 24.0 megapixels
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Manual, Flash On, Slow Synchro, Flash Off; (Red-eye reduction and second curtain sync available) P-TTL; Modes available depends on external flash mounted
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Auto ISO: 60cm - 6.8m (W), 85cm - 3.1m (T) n/a
Max Flash Sync: 1/2000 1/200
Flash Exposure Compensation: +/- 2.0 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
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 (.CR2), RAW+JPEG 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: MP4 (Image: MPEG-4 AVC/H.264; Audio: MPEG-4 AAC-LC (Stereo)) 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: Yes No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired or via Wi-Fi Optional Wired or IR
Connections (extended): Jack for RS-60E3 remote shutter release switch 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): 0.86  
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): 1.95  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 7.3 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 30
RAW shooting speed in burst mode (fps): 0.7  
Buffer size for RAW shooting in burst mode (frames): Unlimited  
RAW+JPEG shooting speed in burst mode (fps): 0.8  
Buffer Size for RAW+JPEG shooting in burst mode (frames): Unlimited  
Shutter lag (full AF, wide/mid): 0.41 seconds  
Shutter lag (full AF, tele): 0.38 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.109 seconds  
Shutter lag (full AF, with flash): 0.82 seconds  
Shutter Lag (prefocused): 0.044 seconds  
Shutter Lag (notes):    
Startup Time: 1.9 seconds  
Play -> Record Time: 2.1 seconds  
Flash cycle time, full power: 4.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 300 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   800 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NB-10L Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NB-10L 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: No No
Software
Included Software:   Software CD-ROM includes Digital Camera Utility 5
OS Compatibility:    
Miscellaneous
Notes & Features: 1-inch 20.2MP BSI CMOS sensor, DIGIC 6 image processor, 25x 24-600mm eq. F2.8-5.6 zoom lens, improve, EOS-style controls and menus, magnesium-alloy body, dust and water resistant.