• 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 819,200
  • Detailed specifications
  • Sony Alpha ILCE-A9
  • Pentax K-1 II
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K-1
K-1 vs K-1 II
Successor: Sony A9 II
A9 vs A9 II
 
General
Model Number: A9 K-1 II
Alternate Model Number(s): ILCE-9 K-1 Mark II
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $4499.00 $1799.95
Street Price: $3,295.00 $1,746.95
Date Available: 2017-04-15 2018-04-15
Tripod Mount: Yes Yes
Weight: 23.7 oz (673 g)
includes batteries
35.6 oz (1,010 g)
includes batteries
Size: 5.0 x 3.8 x 2.5 in.
(127 x 96 x 63 mm)
5.4 x 4.3 x 3.4 in.
(137 x 110 x 86 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 24.2 36.4
Sensor Format: 35mm 35mm
Sensor size: 847.28mm2 (35.60mm x 23.80mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 5.93 microns 4.88 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Optional
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 92  
DxO Color Depth Score (bits): 24.9  
DxO Dynamic Range Score (evs): 13.3  
DxO Maximum Effective ISO Score (iso): 3,517  
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
3936 x 2216 (8.7 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9)
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)
Image File Format: JPEG (EXIF 2.31), RAW (14-bit ARW 2.3 compressed or uncompressed), RAW+JPEG JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 20.0 4.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
1280x720 (30p/​25p)
1920x1080 (1p/​2p/​3p/​4p/​6p/​8p/​12p/​15p)
1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record
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: Sony E Pentax K (KA/KAF/KAF2/3)
Lens: n/a HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR
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: n/a 62.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: Up to 4x; up to 2x Clear Image Digital Zoom  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Fast Hybrid AF: Wide (693 points (phase-detection AF), 25 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot / Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot) 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)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1 (CIPA standard), STD 60fps / HI 120fps, eye sensor 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
Focus Peaking: Yes Yes
EVF Resolution: 3,686,400 dots (1,228,800 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.78x 0.70x
Viewfinder Magnification (nominal/claimed): 0.78x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,440,000 dots (360,000 px) 1,036,800 dots (345,600 px)
Touchscreen: Yes No
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 15.0x 16.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 51200 819200
Minimum ISO (native): 100 100
ISO Settings: AUTO, ISO 100 - 51200, expandable to ISO 50 - 204800 Auto, 100-819200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto (with Priority), Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Underwater, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) 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)
Shutter Speed Range: 1/32000 - 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: 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Picture Effect: Posterization (Color), Posterization (B/W), Pop Color, Retro Photo, Partial Color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal / Cool / Warm / Green / Magenta), Soft High-key; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) 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
Self Timer: 2, 5, 10; 3/5 shots after 2/5/10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No 36.2 megapixels
Flash
Built-in Flash: No No
Flash Modes: Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off 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: 1/250 1/200
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Multi Interface Hot Shoe, Sync Terminal Hot Shoe, PC Sync socket
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-II UHS-I
Other Memory: Slot1:SD UHS-II; 2:MS/SD UHS-I  
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (14-bit ARW 2.3 compressed or uncompressed), RAW+JPEG 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: Yes No
Bluetooth: Yes No
Built-In GPS: No Yes
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed,Ethernet,Bluetooth,WiFi USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional via IR, USB , Ethernet or Wi-Fi/Bluetooth Optional wired, IR wireless or Wi-Fi
Connections (extended): Multi Micro-B USB 2.0 (with remote support), Type-D Micro HDMI, 100Base-T Ethernet, 3.5mm Microphone and Headphone Jacks, Sync Terminal 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
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 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): <0.3 0.38
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 20.0 4.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 364 77
RAW shooting speed in burst mode (fps): 20.0 4.6
Buffer size for RAW shooting in burst mode (frames): 240 17
RAW+JPEG shooting speed in burst mode (fps): 20.0 4.6
Buffer Size for RAW+JPEG shooting in burst mode (frames): 225 13
Shutter lag (full AF, wide/mid): 0.22 seconds 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): 0.097 seconds 0.087 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.020 seconds 0.086 seconds
Shutter Lag (notes):   Live View Prefocused shutter lag with e-shutter = 0.670s
Startup Time: 1.2 seconds 1.4 seconds
Play -> Record Time: 1.0 seconds 0.4 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 650 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 480 shots 670 shots
Battery Life, Video: 105 minutes  
Battery Form Factor: Proprietary Proprietary D-LI90
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FZ100 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: Yes No
Software
Included Software: Capture One Express (for Sony) free download Software CD-ROM S-SW171 includes Digital Camera Utility 5
OS Compatibility:    
Miscellaneous
Notes & Features: