• APS-C 369.0mm2
  • 24.2 megapixels
  • ISO 200 - 6400
  • 35mm 858.0mm2
  • 45.7 megapixels
  • ISO 64 - 25,600
  • Detailed specifications
  • Fujifilm X-A3
  • Nikon D850
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Fujifilm X-A2
X-A2 vs X-A3
Nikon D810
D810 vs D850
Successor: Fujifilm X-A5
X-A3 vs X-A5
 
General
Model Number: X-A3 D850
Alternate Model Number(s):    
Camera Format: Compact System Camera Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $599.95 $3299.95
Street Price: $496.10 $2,996.95
Date Available: 2016-10-15 2017-09-15
Tripod Mount: Yes Yes
Weight: 18.8 oz (534 g)
includes batteries, kit lens
32.3 oz (915 g)
Size: 4.6 x 2.6 x 1.6 in.
(117 x 67 x 40 mm)
5.7 x 4.9 x 3.1 in.
(146 x 124 x 79 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 24.2 45.7
Sensor Format: APS-C 35mm
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 858.01mm2 (35.90mm x 23.90mm)
Approximate Pixel Pitch: 3.92 microns 4.35 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:   100
DxO Color Depth Score (bits):   26.4
DxO Dynamic Range Score (evs):   14.8
DxO Maximum Effective ISO Score (iso):   2,660
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
4242 x 2832 (12.0 MP, 3:2),
3008 x 2000 (6.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2384 (10.1 MP, 16:9),
3008 x 1688 (5.1 MP, 16:9),
4000 x 4000 (16.0 MP, 1:1),
2832 x 2832 (8.0 MP, 1:1),
2000 x 2000 (4.0 MP, 1:1),
9600 x 1440 (13.8 MP, Other),
2160 x 9600 (20.7 MP, Other),
6400 x 1440 (9.2 MP, Other),
2160 x 6400 (13.8 MP, Other)
8256 x 5504 (45.4 MP, 3:2),
6192 x 4128 (25.6 MP, 3:2),
4128 x 2752 (11.4 MP, 3:2),
6880 x 4584 (31.5 MP, 3:2),
5152 x 3432 (17.7 MP, 3:2),
3440 x 2288 (7.9 MP, 3:2),
6880 x 5504 (37.9 MP, 5:4),
5152 x 4120 (21.2 MP, 5:4),
3440 x 2752 (9.5 MP, 5:4),
5504 x 5504 (30.3 MP, 1:1),
4128 x 4128 (17.0 MP, 1:1),
2752 x 2750 (7.6 MP, 1:1)
Image File Format: JPEG (Exif Ver 2.3), .RAF RAW, RAW + JPEG JPEG (EXIF 2.31), NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Continuous-mode frames/second: 5.9 7.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​50p/​24p)
1280x720 (60p/​50p/​24p)
3840x2160 (30p/​25p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p)
1920x1080 (120p/​100p)
Movie File Format: H.264 (MOV) with stereo sound MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC audio)
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 Nikon F
Lens: FUJINON XC 16-50mm f/3.5-5.6 OIS II; 12 all glass elements in 10 groups including 3 aspherical elements and 1 ED element; 7 round-edged aperture blades n/a
Focal Length (35mm equivalent): 24 - 76mm  
Focal Length (actual): 16 - 50mm  
Zoom Ratio: 3.13x  
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22  
Integrated ND Filter: No
Normal Focus Range: 15 cm to Infinity
5.9 in to Infinity
 
Macro Focus Range:    
Filter Thread: 58.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No Yes
Digital Zoom Values: n/a 1.2x, 1.5x (DX), 5:4, 1:1 crop modes
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Single point AF: 11x7 (Changeable size of AF frame among 5 types), Zone AF: 3x3 / 5x5 / 7x7 from 77 areas on 11x7 grid, Wide/Tracking AF (up to 9 area) Nikon Advanced Multi-CAM 20K autofocus sensor module with TTL phase detection and fine-tuning: 153 focus points (including 99 cross-type sensors and 15 sensors that support f/8), of which 55 (35 cross-type sensors and 9 f/8 sensors) are available for selection; Contrast-detect AF in Live View mode
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD Optical / LCD
Viewfinder Type:   SLR; eye-level pentaprism, 100% coverage, 0.75x magnification, 17mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.75x
Viewfinder Magnification (nominal/claimed):   0.75x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,036,800 dots (345,600 px) 2,359,000 dots (589,750 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No No
Selfie Screen: Yes No
Max Playback Zoom:   32.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 6400 25600
Minimum ISO (native): 200 64
ISO Settings: 200-6400, Extended output sensitivity equivalent ISO 100, 12800 and 25600; AUTO1, AUTO2, AUTO3 Auto, 64 - 25,600 in 1/3, 1/2 or 1EV steps, plus down to 32 in Lo-1, up to 102,400 in Hi-2
Auto ISO Mode: Yes Yes
White Balance Settings: Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Custom1-3, Underwater Auto (3), Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual (6) (Spot WB available in Live View), Color Temperature (2,500K-10,000K); Fine-tuning available for all options.
Shutter Speed Range: 1/32000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL 256-zones metering: Multi, Spot, Average 180K-pixel 3D Color Matrix Metering III, Center-weighted (weight of 75% given to 12-mm circle in center of frame; diameter of circle can be changed to 8, 15 or 20 mm, or weighting can be based on average of entire frame), Spot (4mm circle or about 1.5% frame, centered on selected focus area), Highlight-weighted: Available with type G, E, and D lenses
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Scene: Portrait Enhancer, Landscape, Sports, Night; Film Simulation (PROVIA/STANDARD, Velvia/VIVID, ASTIA/SOFT, CLASSIC CHROME, 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%; Multiple Exposure; Advanced Filters (Toy camera, Miniature, Pop color, High-key, Low-key, Dynamic tone, Fish-eye, Soft focus, Cross screen, Partial color (Red / Orange / Yellow / Green / Blue / Purple)); Motion Panorama None
Self Timer: 2, 10, Smile, Buddy, Group seconds 2/5/10/20 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Forced Flash, Suppressed Flash, Slow Synchr, Rear-curtain Synchro, Commander; Red-eye reduction available n/a
Flash Guide Number (ISO 100): 5.0 m / 16.4 ft. n/a
Flash Range Description: GN=5m (ISO 100) or 7m (ISO 200) n/a
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot shoe ISO-type hot-shoe, PC Sync terminal
Built-In Wireless Flash Control: Trigger Only No
Image Storage
Usable Memory Types: SD / SDHC / SDXC XQD / SD / SDHC / SDXC
UHS Support: UHS-I UHS-II
Other Memory:   1 SD UHS-II slot, 1 XQD slot
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: .RAF RAW, RAW + JPEG NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Movie File Format: H.264 (MOV) with stereo sound MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC audio)
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: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wi-Fi or optional RR-90 wired remote Optional wired or wireless
Connections (extended): Micro (Type D) HDMI Mini HDMI (Type C), USB 3.0 Micro-B, 10-pin Expansion Terminal (GP-1 GPS compatible), Stereo Mic Mini Jack (3.5mm), Stereo Audio Out (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.01 <0.3
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): 0.98 <0.3
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 5.9 7.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 200
RAW shooting speed in burst mode (fps): 5.8 7.1
Buffer size for RAW shooting in burst mode (frames): 6 200
RAW+JPEG shooting speed in burst mode (fps): 5.8 7.1
Buffer Size for RAW+JPEG shooting in burst mode (frames): 6 53
Shutter lag (full AF, wide/mid): 0.37 seconds 0.08 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   0.73 seconds
Shutter lag (prefocused, live view - DSLR):   0.145 seconds
Shutter Lag (manual focus): 0.194 seconds 0.052 seconds
Shutter lag (full AF, with flash): 0.43 seconds  
Shutter Lag (prefocused): 0.048 seconds 0.046 seconds
Shutter Lag (notes):    
Startup Time: 2.0 seconds 0.2 seconds
Play -> Record Time: 1.5 seconds 0.1 seconds
Flash cycle time, full power: 3.4 seconds 0.0 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 410 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   1840 shots
Battery Life, Video:   70 minutes
Battery Form Factor: Proprietary NP-W126S Proprietary
Usable Battery Types: Lithium-ion rechargeable EN-EL15a Lithium-ion rechargeable or MB-D18 battery grip
Batteries Included: 1 x Proprietary NP-W126S Lithium-ion rechargeable 1 x Proprietary EN-EL15a Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No Yes
Internal Charging Supported: Yes No
Software
Included Software: Viewer software, RAW File Converter, etc. available via download  
OS Compatibility:    
Miscellaneous
Notes & Features: Available in Silver, Brown and Pink.