• APS-C 368.2mm2
  • 16.3 megapixels
  • ISO 200 - 6400
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • Detailed specifications
  • Fujifilm X-Pro1
  • Pentax K-3 III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K-3 II
K-3 II vs K-3 III
Successor: Fujifilm X-Pro2
X-Pro1 vs X-Pro2
 
General
Model Number: X-Pro1 K-3 III
Alternate Model Number(s):   K-3 Mark III
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: No Yes
Retail Price: $1699.95 $1999.95
Street Price: $499.00 $1,846.95
Date Available: 2012-02-29 2021-04-06
Tripod Mount: Yes Yes
Weight: 16.0 oz (454 g)
includes batteries
28.9 oz (820 g)
includes batteries
Size: 5.5 x 3.2 x 1.7 in.
(140 x 82 x 43 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: 16.3 25.7
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 361.15mm2 (23.30mm x 15.50mm)
Approximate Pixel Pitch: 4.82 microns 3.76 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: X-Trans RGBG
Anti Aliasing Filter: Not needed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No 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: 4896 x 3264 (16.0 MP, 3:2),
4896 x 2760 (13.5 MP, Other),
3264 x 3264 (10.7 MP, 1:1),
3456 x 2304 (8.0 MP, 3:2),
3456 x 1944 (6.7 MP, 16:9),
2304 x 2304 (5.3 MP, 1:1),
2496 x 1664 (4.2 MP, 3:2),
2496 x 1408 (3.5 MP, Other),
1664 x 1664 (2.8 MP, 1:1),
7680 x 2160 (16.6 MP, Other),
7680 x 1440 (11.1 MP, Other),
5120 x 2160 (11.1 MP, Other),
5120 x 1440 (7.4 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 Ver 2.3), .RAF RAW (ISO 200-6400), RAW + JPEG JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 5.3 12.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (24p)
1280x720 (24p)
3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
Movie File Format: MOV (H.264) with linear PCM stereo sound 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: Fujifilm X 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: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Area (EVF / LCD: 49 areas with 7 x 7, OVF: 25 areas with 5 x 5) / Multi; Single AF / Continuous AF / MF Distance Indicator 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: Hybrid / LCD Optical / LCD
Viewfinder Type: Hybrid Multi Viewinder. Reverse Galilean optical: 90% coverage, 0.37x/0.6x magnif. EVF: 0.47-inch, 1440K-dot LCD with 100% coverage; 14mm eyepoint, 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: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.60x 1.05x
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,230,000 dots (307,500 px) 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): 200 100
ISO Settings: AUTO(400), AUTO(800), AUTO(1600), AUTO(3200), 200-6400, Extended output sensitivity equivalent ISO 100, 12800 and 25600 Auto, 100-1600000 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom, Color Temperature (K) 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: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL 256-zones metering; Multi, Spot, Average 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: Film Simulation: PROVIA/STANDARD, VELVIA/VIVID, ASTIA/SOFT, PRO Neg Hi, PRO Neg. Std, MONOCHROME, MONOCHROME+Ye FILTER, MONOCHROME+R FILTER, MONOCHROME+G FILTER, SEPIA); Dynamic range setting AUTO (100-400%), 100%, 200%, 400%; Motion Panorama 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: Red-eye removal OFF: Auto, Forced Flash, Suppressed Flash, Slow Synchro, Rear-curtain Synchro. Red-eye removal ON: Red-eye Reduction Auto, Red-eye Reduction & Forced Flash, Suppressed Flash, Red-eye Reduction & Slow Synchro, Red-eye Reduction & Rear-curtain Synchro. 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: +/- 2.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe, PC Sync Terminal 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: .RAF RAW (ISO 200-6400), RAW + JPEG 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: MOV (H.264) with linear PCM stereo sound 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 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Threaded cable release Optional Wired or IR
Connections (extended): Mini HDMI (Type C), PC-Sync 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): 0.77  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.77  
Buffer size for RAW shooting in single shot mode (frames): 14  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.75  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.3 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 18 30
RAW shooting speed in burst mode (fps): 5.4  
Buffer size for RAW shooting in burst mode (frames): 11  
RAW+JPEG shooting speed in burst mode (fps): 5.4  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 10  
Shutter lag (full AF, wide/mid): 0.37 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.176 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.053 seconds  
Shutter Lag (notes): Full AF lag, Wide-Area = 0.626s  
Startup Time: 1.3 seconds  
Play -> Record Time: 1.8 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 300 shots 800 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-W126 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-W126 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: Fujifilm CD-ROM (Viewer software, RAW File Converter, etc.) Software CD-ROM includes Digital Camera Utility 5
OS Compatibility: Windows, Mac OS X  
Miscellaneous
Notes & Features: APS-C 16M "X-Trans CMOS" sensor, X-Mount lens mount for new XF lenses, hybrid multi viewfinder, 1920p24 and 720p24 movies, 6 fps burst mode, flash hot-shoe and X terminal.