• APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • 4/3 224.9mm2
  • 25.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax K-3 III
  • Panasonic Lumix DC-GH6
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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: K-3 III GH6
Alternate Model Number(s): K-3 Mark III  
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1999.95 $2199.99
Street Price: $1,846.95  
Date Available: 2021-04-06 2022-03-15
Tripod Mount: Yes Yes
Weight: 28.9 oz (820 g)
includes batteries
29.0 oz (823 g)
includes batteries
Size: 5.3 x 4.1 x 2.9 in.
(135 x 104 x 74 mm)
5.4 x 3.9 x 3.9 in.
(138 x 100 x 100 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer:   Panasonic
Effective Megapixels: 25.7 25.2
Sensor Format: APS-C 4/3
Sensor size: 361.15mm2 (23.30mm x 15.50mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 3.76 microns 3.00 microns
Focal Length Multiplier: 1.5x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 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)
5776 x 4336 (25.0 MP, 4:3),
4096 x 3072 (12.6 MP, 4:3),
2944 x 2208 (6.5 MP, 4:3),
5776 x 3848 (22.2 MP, 3:2),
4096 x 2728 (11.2 MP, 3:2),
2944 x 1960 (5.8 MP, 3:2),
5776 x 3248 (18.8 MP, 16:9),
4096 x 2728 (11.2 MP, 3:2),
2944 x 1656 (4.9 MP, 16:9),
4336 x 4336 (18.8 MP, 1:1),
3072 x 3072 (9.4 MP, 1:1),
2208 x 2208 (4.9 MP, 1:1),
11552 x 8672 (100.2 MP, 4:3),
8192 x 6144 (50.3 MP, 4:3),
11552 x 7696 (88.9 MP, 3:2),
8192 x 5464 (44.8 MP, 3:2),
11552 x 6496 (75.0 MP, 16:9),
8192 x 4608 (37.7 MP, 16:9),
8672 x 8672 (75.2 MP, 1:1),
6144 x 6144 (37.7 MP, 1:1)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG (EXIF 2.31), RAW, RAW + JPEG
Continuous-mode frames/second: 12.0 75.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
5760x4320 (30p/​25p/​24p)
5728x3024 (60p/​50p/​30p/​25p/​24p)
4096x3264 (60p/​48p/​50p)
4096x2160 (120p/​100p/​60p/​50p/​48p/​30p/​25p/​24p)
3840x2160 (120p/​100p/​60p/​50p/​48p/​30p/​25p/​24p)
1920x1080 (240p/​120p/​100p/​60p/​50p/​48p/​30p/​25p/​24p)
Movie File Format: MPEG-4 AVC/H.264 (MOV) MOV, MP4
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: Pentax K (KA/KAF/KAF2/3/4) Micro Four Thirds
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values:   2x, 4x; Extra Tele Conversion:Still image: Max. 2x; 4K PHOTO: 1.6x (4:3), 1.5x (3:2), 1.4x (16:9, 1:1); Motion picture: 2.7x (FHD), 1.4x (4K)
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) Contrast Detection with DFD: Face/Eye/Head/Body/Animal detection, Tracking, 315-area, Zone (Vertical/Horizontal) / Zone (Square) / Zone (Oval), Custom Multi, 1-area, Pinpoint; One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF (during motion picture recording), Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter 3680K-dot OLED, 1.52x / 0.76x (35mm eq.) magnification, 21mm eyepoint, -4 to +3 diopter, eye sensor, 60/120fps refresh rate
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,680,000 dots
Viewfinder Magnification (35mm equivalent): 1.05x  
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,620,000 dots (540,000 px) 1,840,000 dots
Touchscreen: Yes Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 1600000 25600
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-1600000 (1, 1/2 or 1/3 EV steps) Auto, 50, 64, 80 (extended), 100 - 25600; in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: 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 Auto, AWBc, AWBw, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1-4, Color Temperature Setting 1-4 (2,500-10,000K in 100K steps)
Shutter Speed Range: 1/8000 - 30 sec 1/32000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: Multi-segment with 307K-pixel RGBIr sensor, Center-weighted, Spot, Highlight-weighted 1728-zone Intelligent Multiple, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: 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) Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine
Self Timer: 2 or 12 seconds 2, 10, 3 shots in 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: 24.0 megapixels 100.0 megapixels
Flash
Built-in Flash: No No
Flash Modes: P-TTL; Modes available depends on external flash mounted Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync.
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/200 1/250
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC / CFexpress
UHS Support: UHS-II UHS-II
Other Memory:   CFExpress Type B
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG RAW, RAW + JPEG
Movie File Format: MPEG-4 AVC/H.264 (MOV) MOV, MP4
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 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Wi-Fi or optional wired
Connections (extended): 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 USB 3.1 Type-C with Power Delivery, HDMI Type-A, 2.5mm Wired Remote, 3.5mm External Mic Jack, 3.5mm Headphone Jack
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): 12.0 75.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30 200
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
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):    
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots  
Battery Life, Video:   60 minutes
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable 7.2v, 2200mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary 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 None; Free downloads: PHOTOfunSTUDIO 10.0XE, SILKYPIX Developer Studio
OS Compatibility:   PHOTOfunSTUDIO (Windows); SILKYPIX Developer Studio (Windows / Mac)
Miscellaneous
Notes & Features: