• APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • Detailed specifications
  • Sigma sd Quattro H
  • 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: sd Quattro H K-3 III
Alternate Model Number(s):   K-3 Mark III
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $1200.00 $1999.95
Street Price: $1,199.00 $1,846.95
Date Available: 2017-01-15 2021-04-06
Tripod Mount: Yes Yes
Weight: 22.4 oz (635 g) 28.9 oz (820 g)
includes batteries
Size: 5.8 x 3.7 x 3.6 in.
(147 x 95 x 91 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: Foveon X3 Quattro  
Effective Megapixels: 25.6 25.7
Sensor Format: APS-H APS-C
Sensor size: 476.14mm2 (26.60mm x 17.90mm) 361.15mm2 (23.30mm x 15.50mm)
Approximate Pixel Pitch: 4.30 microns 3.76 microns
Focal Length Multiplier: 1.3x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: Full Color RGBG
Anti Aliasing Filter: Not needed Optional
Self-Cleaning: No Yes
Sensor shift image stabilization: No 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: 6192 x 4128 (25.6 MP, 3:2),
5504 x 4128 (22.7 MP, 4:3),
6192 x 3480 (21.5 MP, 16:9),
4128 x 4128 (17.0 MP, 1:1),
5152 x 4128 (21.3 MP, 5:4),
6192 x 2648 (16.4 MP, Other),
8768 x 5840 (51.2 MP, 3:2),
7792 x 5840 (45.5 MP, 4:3),
8768 x 4928 (43.2 MP, 16:9),
5840 x 5840 (34.1 MP, 1:1),
8768 x 3752 (32.9 MP, Other),
7296 x 5840 (42.6 MP, 5:4)
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), Lossless compressed 14-bit X3F or Uncompressed 12-bit DNG, RAW(X3F)+JPEG JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: n/a 12.0
Video Capture
Can take movies: No Yes
Movie Resolution: 3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
Movie File Format:   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: Sigma SA bayonet Pentax K (KA/KAF/KAF2/3/4)
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:
Digital Zoom Values:    
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Hybrid Phase/Contrast Detect AF: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF Mode 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: 2,360K-dot LCD, 100% coverage, 0.96x magnification, 21mm eyepoint, -4 to +2 diopter 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: 2,360,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.74x 1.05x
Viewfinder Magnification (nominal/claimed): 0.96x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,620,000 dots 1,620,000 dots (540,000 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 6400 1600000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits Auto, 100-1600000 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3 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 - 30 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: Evaluative, center-weighted average, spot 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: Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome 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 or 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: 1/180 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, PC Socket 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
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: Lossless compressed 14-bit X3F or Uncompressed 12-bit DNG, RAW(X3F)+JPEG 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format:   MPEG-4 AVC/H.264 (MOV)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 3.0 Super Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired (Cable Release Switch CR-3) Optional Wired or IR
Connections (extended): Mini (Type-C) HDMI 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):    
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
Buffer size for JPEG shooting in burst mode (frames, max resolution):   30
RAW shooting speed in burst mode (fps): 4.4  
Buffer size for RAW shooting in burst mode (frames): 8  
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:    
Battery Form Factor: Proprietary BP-61 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-61 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: SIGMA Photo Pro Download Software CD-ROM includes Digital Camera Utility 5
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: