• 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 819,200
  • Medium format 1,441.0mm2
  • 51.4 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax K-1 II
  • Fujifilm GFX 50R
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K-1
K-1 vs K-1 II
 
Successor:    
General
Model Number: K-1 II GFX 50R
Alternate Model Number(s): K-1 Mark II  
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1799.95 $4499.95
Street Price: $1,746.95 $4,598.50
Date Available: 2018-04-15 2018-10-25
Tripod Mount: Yes Yes
Weight: 35.6 oz (1,010 g)
includes batteries
27.3 oz (775 g)
includes batteries
Size: 5.4 x 4.3 x 3.4 in.
(137 x 110 x 86 mm)
6.3 x 3.8 x 2.6 in.
(161 x 97 x 66 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 36.4 51.4
Sensor Format: 35mm Medium format
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 1441.02mm2 (43.80mm x 32.90mm)
Approximate Pixel Pitch: 4.88 microns 5.31 microns
Focal Length Multiplier: 1.0x 0.8x
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 No
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: 7360 x 4912 (36.2 MP, 3:2),
5760 x 3840 (22.1 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
8256 x 6192 (51.1 MP, 4:3),
8256 x 5504 (45.4 MP, 3:2),
8256 x 4640 (38.3 MP, 16:9),
6192 x 6192 (38.3 MP, 1:1),
8256 x 3048 (25.2 MP, Other),
7744 x 6192 (48.0 MP, 5:4),
7232 x 6192 (44.8 MP, Other),
4000 x 3000 (12.0 MP, 4:3),
4000 x 2663 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
4000 x 1480 (5.9 MP, Other),
3744 x 3000 (11.2 MP, 5:4),
3504 x 3000 (10.5 MP, Other)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG, 14-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit TIFF (in-camera RAW conversion)
Continuous-mode frames/second: 4.6 3.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p)
1920x1080 (30p/​25p/​24p/​23.98p)
1280x720 (30p/​25p/​24p/​23.98p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record MOV (MPEG-4 AVC / H.264, Audio: Linear PCM 48KHz stereo sound)
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) FUJINON G Mount
Lens: HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR n/a
Focal Length (35mm equivalent): 28 - 105mm  
Focal Length (actual): 28 - 105mm  
Zoom Ratio: 3.75x  
Aperture Range: f/3.5 - 22(W) to f/5.6 - 32(T)  
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
 
Macro Focus Range:    
Filter Thread: 62.0mm 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: TTL Phase-detection AF: SAFOX 12, 33 point (25 cross type focus points in the center), Spot, Select, Expanded Area (S, M, L), Zone select, Auto (33 AF points) Contrast Detection: 425 points; Single Point AF: 13x9 / 25x17 (Changeable Size of AF Frame Among 6 Types); Zone AF: 3x3 / 5x5 / 7x7 from 117 Areas on 13x9 Grid; Wide/Tracking AF: (Up to 9 Area); Single AF / Continuous AF / MF; Touch AF supported
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, 0.7x mag., Eyepoint: 20.6mm (from the view window) / 21.7mm (from the center of lens), -3.5 to +1.2 diopter, Natural-Bright-Matte III focusing screen 0.5-inch 3.69M-dot OLED, 100% coverage, 0.77x magnification (35mm eq.), 23mm eyepoint, -4 to +2 diopter adjustment, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,690,000 dots
Viewfinder Magnification (35mm equivalent): 0.70x 0.77x
Viewfinder Magnification (nominal/claimed): 0.70x 0.61x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.2
Rear Display Resolution: 1,036,800 dots (345,600 px) 2,360,000 dots
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 819200 12800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-819200 (1, 1/2 or 1/3 EV steps) Auto (1/2/3), 100-12800, expandable to 50-102400
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) Auto, Daylight, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom, Color Temperature (K)
Shutter Speed Range: 1/8000 - 30 sec 1/16000 - 3600 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 86K-pixel RGB sensor, Center-weighted, Spot TTL 256-zone metering: Multi, Spot , Average, Center Weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3; Pixel Shift Resolution (On/Off); Multi-Exposure, Interval Shooting, Interval Composite, Interval Movie Record, Star Stream Film Simulation modes (PROVIA / Standard, Velvia / Vivid, ASTIA / Soft, Classic Chrome, PRO Neg.Hi, PRO Neg.Std, Black&White, Black&White+Ye Filter, Black&White+R Filter, Black&White+Gfilter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter), Dynamic range setting: AUTO, 100%, 200%, 400%
Self Timer: 2 or 12 seconds 10 or 2 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: 36.2 megapixels No
Flash
Built-in Flash: No No
Flash Modes: P-TTL; Modes available depends on external flash mounted TTL (Flash Auto / Standard / Slow Sync.), Manual, Off; Sync: 1st Curtain, 2nd Curtain; Auto FP (HSS)
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/200 1/125
Flash Exposure Compensation: -2 to +1 EV in 0.5EV 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
UHS Support: UHS-I UHS-II
Other Memory:    
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG 14-bit RAW (uncompressed or lossless compressed); RAW+JPEG; 24-bit TIFF (in-camera RAW conversion)
Movie File Format: MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record MOV (MPEG-4 AVC / H.264, Audio: Linear PCM 48KHz stereo sound)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: Yes No
Microphone Jack: Yes Yes
Headphone Jack: Yes No
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional wired, IR wireless or Wi-Fi Via Wi-Fi or Remote Release RR-100
Connections (extended): Micro (Type D) HMDI, USB 2.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack Micro HDMI (Type-D), USB-C (USB 3.1 Gen1), 2.5mm external mic/remote jack, 3.5mm headphone jack, DC input (15v)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40 1.10
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): 0.38 1.10
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 4.6 3.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 77 Unlimited
RAW shooting speed in burst mode (fps): 4.6 3.0
Buffer size for RAW shooting in burst mode (frames): 17 25
RAW+JPEG shooting speed in burst mode (fps): 4.6 3.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13 11
Shutter lag (full AF, wide/mid): 0.10 seconds 0.44 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR): 0.328 seconds  
Shutter Lag (manual focus): 0.087 seconds 0.119 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.086 seconds 0.102 seconds
Shutter Lag (notes): Live View Prefocused shutter lag with e-shutter = 0.670s Default EFCS used.
Startup Time: 1.4 seconds 1.1 seconds
Play -> Record Time: 0.4 seconds 0.9 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   400 shots
Battery Life, Still (CIPA Rating OVF/EVF): 670 shots 400 shots
Battery Life, Video:   70 minutes
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-T125 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary NP-T125 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: Software CD-ROM S-SW171 includes Digital Camera Utility 5  
OS Compatibility:    
Miscellaneous
Notes & Features: