• 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 819,200
  • APS-C 366.6mm2
  • 26.1 megapixels
  • ISO 160 - 12,800
  • Detailed specifications
  • Pentax K-1 II
  • Fujifilm X-S10
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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 X-S10
Alternate Model Number(s): K-1 Mark II  
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $1799.95 $999.95
Street Price: $1,746.95 $999.00
Date Available: 2018-04-15 2020-11-01
Tripod Mount: Yes Yes
Weight: 35.6 oz (1,010 g)
includes batteries
16.4 oz (465 g)
includes batteries
Size: 5.4 x 4.3 x 3.4 in.
(137 x 110 x 86 mm)
5.0 x 3.4 x 2.6 in.
(126 x 85 x 65 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 36.4 26.1
Sensor Format: 35mm APS-C
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 4.88 microns 3.77 microns
Focal Length Multiplier: 1.0x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG X-Trans 4
Anti Aliasing Filter: Optional Not needed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
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)
6240 x 4160 (26.0 MP, 3:2),
6240 x 3512 (21.9 MP, 16:9),
4160 x 4160 (17.3 MP, 1:1),
4416 x 2944 (13.0 MP, 3:2),
4416 x 2488 (11.0 MP, Other),
2944 x 2944 (8.7 MP, 1:1),
3120 x 2080 (6.5 MP, 3:2),
3120 x 1760 (5.5 MP, Other),
2080 x 2080 (4.3 MP, 1:1)
Image File Format: JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG JPEG (v2.3); Compressed RAW, .RAF 14-bit RAW, uncompressed or lossless compression; RAW + JPEG; TIFF (8/16-bit)
Continuous-mode frames/second: 4.6 8.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p)
4096x2160 (30p/​25p/​24p/​23.98p)
3840x2160 (30p/​25p/​24p/​23.98p)
2048x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1920x1080 (60p/​50p/​30p/​25p/​24p/​23.98p)
1920x1080 (240p/​200p/​120p/​100p)
Movie File Format: MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record MOV (MPEG-4 AVC/H.264, HEVC/H.265, Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling); MP4 (MPEG-4 AVC/H.264, Audio: AAC)
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) Fujifilm X
Lens: HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR Fujinon XF 18-55mm f/2.8-4 R LM OIS; 14 elements in 10 groups, including 3 aspherical lenses and 1 extra low dispersion element
Focal Length (35mm equivalent): 28 - 105mm 27 - 84mm
Focal Length (actual): 28 - 105mm 18 - 55mm
Zoom Ratio: 3.75x 3.06x
Aperture Range: f/3.5 - 22(W) to f/5.6 - 32(T) f/2.8 (wide) / f/4 (tele) - f/22; 7 diaphragm blades
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 62.0mm 58.0mm
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) Hybrid Phase/Contrast Detect AF: 425 selectable focus points, 2.16 million phase-detect pixels; Single point AF: EVF / LCD: 13x9 / 25x17 (changeable size of AF frame among 5 types), Zone AF: 3x3 / 5x5 / 7x7 from 91 areas on 13x9 grid, Wide/Tracking AF: Up to 18 area; Face/Eye AF
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 EVF: 0.39-inch 2.36M-dot OLED with 100% coverage, 0.62x magnification (35mm format equivalent), 17.5mm eyepoint (from the rear end of the camera's eyepiece), -4 to +2 diopter adjustment, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.70x  
Viewfinder Magnification (nominal/claimed): 0.70x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,040,000 dots
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 819200 12800
Minimum ISO (native): 100 160
ISO Settings: Auto, 100-819200 (1, 1/2 or 1/3 EV steps) AUTO (3) with selectable limits, ISO 160-12800, Extended output sensitivity equivalent to ISO 80, 100, 125, 25600 and 51200
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 (WHITE PRIORITY, AUTO, AMBIENCE PRIORITY), Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Underwater, Custom (3), Color Temperature (2,500-10,000K)
Shutter Speed Range: 1/8000 - 30 sec 1/32000 - 900 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-zones 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: 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+G Filter, Sepia, ACROS, ACROS+Ye Filter, ACROS+R Filter, ACROS+G Filter, ETERNA/Cinema, ETERNA/Bleach Bypass; Advanced Filter: Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Soft focus, Partial color (Red, Orange, Yellow, Green, Blue, Purple); Dynamic Range Setting: AUTO (100-400%), 100%, 200%, 400%; Dynamic Range Priority: Off, Auto, Weak, Strong; Panorama
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: 36.2 megapixels No
Flash
Built-in Flash: No Yes
Flash Modes: P-TTL; Modes available depends on external flash mounted 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.
Flash Guide Number (ISO 100): n/a 8.0 m / 26.2 ft.
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 +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: No Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.PEF, .DNG), RAW+JPEG .RAF 14-bit RAW, uncompressed or lossless compression; RAW + JPEG; TIFF (8/16-bit)
Movie File Format: MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record MOV (MPEG-4 AVC/H.264, HEVC/H.265, Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling); MP4 (MPEG-4 AVC/H.264, Audio: AAC)
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 Yes
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired, IR wireless or Wi-Fi Threaded cable release, optional wired, Wi-Fi and Bluetooth
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 USB Type-C (USB3.2 Gen1x1), Micro HDMI (Type D), 3.5mm stereo mic jack, USB-C-to-3.5mm headphone adapter included
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.40  
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  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 4.6 8.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 77  
RAW shooting speed in burst mode (fps): 4.6  
Buffer size for RAW shooting in burst mode (frames): 17  
RAW+JPEG shooting speed in burst mode (fps): 4.6  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13  
Shutter lag (full AF, wide/mid): 0.10 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  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.086 seconds  
Shutter Lag (notes): Live View Prefocused shutter lag with e-shutter = 0.670s  
Startup Time: 1.4 seconds  
Play -> Record Time: 0.4 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 670 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary NP-W126S
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary NP-W126S Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes No
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: Software CD-ROM S-SW171 includes Digital Camera Utility 5  
OS Compatibility:    
Miscellaneous
Notes & Features: