• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Medium format 1,441.0mm2
  • 51.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax K-S1
  • Hasselblad X1D II 50C
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Hasselblad X1D
X1D vs X1D II
Successor:    
General
Model Number: K-S1 X1D II
Alternate Model Number(s):   X1D II 50C
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $799.95 $5750.00
Street Price: $501.65 $5,750.00
Date Available: 2014-09-15 2019-07-15
Tripod Mount: Yes Yes
Weight: 27.0 oz (765 g)
includes batteries, kit lens
27.0 oz (766 g)
includes batteries
Size: 4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
5.8 x 3.8 x 2.8 in.
(148 x 97 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 20.1 51.3
Sensor Format: APS-C Medium format
Sensor size: 366.6mm2 (23.50mm x 15.60mm) 1441.02mm2 (43.80mm x 32.90mm)
Approximate Pixel Pitch: 4.29 microns 5.29 microns
Focal Length Multiplier: 1.5x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Optional None
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 78  
DxO Color Depth Score (bits): 23.5  
DxO Dynamic Range Score (evs): 13.0  
DxO Maximum Effective ISO Score (iso): 1,061  
Image Capture
Image Resolution: 5472 x 3648 (20.0 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
8272 x 6200 (51.3 MP, 4:3),
6200 x 6200 (38.4 MP, 1:1),
8272 x 4647 (38.4 MP, 16:9)
Image File Format: JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) Full Size JPEG, RAW+JPEG, 16-bit RAW, TIFF
Continuous-mode frames/second: 5.4 n/a
Video Capture
Can take movies: Yes No
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: MPEG-4 AVC/H.264 (MOV)  
Composite Video Out: No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Hasselblad XCD
Lens: smc Pentax-DA L 18-55mm f/3.5-5.6 AL n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)  
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 52.0mm 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: SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) Contrast Detection
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, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter 3.69M-do OLED Electronic Viewfinder; 100% coverage, 0.87x magnification, with eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.63x 0.87x
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.6
Rear Display Resolution: 921,600 dots (307,200 px) 2,359,296 dots (786,432 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 No
Exposure
Maximum ISO (native): 51200 25600
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, ISO 100-25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature Auto, Cloudy, Shade, Daylight, Tungsten, Flourescent, Flash, Manual
Shutter Speed Range: 1/6000 - 30 sec 1/2000 - 4080 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77 segment Multi, Center-weighted, Spot Spot, Center Weighted and Center Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3  
Self Timer: 2 or 12 seconds 2-60 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) Automatic TTL center weighted system
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/2000
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV
External Flash Connection: Hot Shoe Nikon compatible hot shoe
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: UHS-I compliant  
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) 16-bit RAW, TIFF
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 No
Built-In GPS: No Yes
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional IR Via Wi-Fi or USB
Connections (extended): Micro (Type D) HMDI USB 3.0 (5 Gbit/s) Type-C, 3.5mm Audio In/Out
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): 5.4  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20  
RAW shooting speed in burst mode (fps):   2.7
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): 480 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI109 Proprietary 7.2v 3200mAh
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI109 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
Internal Charging Supported: Yes
Software
Included Software: Digital Camera Utility 5 Software CD-ROM Phocus for Mac and Windows
OS Compatibility:    
Miscellaneous
Notes & Features: The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black.