• APS-C 369.0mm2
  • 24.2 megapixels
  • ISO 200 - 6400
  • 35mm 858.0mm2
  • 33.0 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Fujifilm X-A3
  • Sony Alpha ILCE-A7 IV
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Fujifilm X-A2
X-A2 vs X-A3
Sony A7 III
A7 III vs A7 IV
Successor: Fujifilm X-A5
X-A3 vs X-A5
 
General
Model Number: X-A3 A7 IV
Alternate Model Number(s):   ILCE-7M4
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $599.95 $2500.00
Street Price: $549.00 $2,231.33
Date Available: 2016-10-15 2021-12-31
Tripod Mount: Yes Yes
Weight: 18.8 oz (534 g)
includes batteries, kit lens
23.2 oz (658 g)
includes batteries
Size: 4.6 x 2.6 x 1.6 in.
(117 x 67 x 40 mm)
5.2 x 3.8 x 3.1 in.
(131 x 96 x 80 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 24.2 33.0
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 5.12 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 Yes
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: 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)
7008 x 4672 (32.7 MP, 3:2),
4608 x 3072 (14.2 MP, 3:2),
3504 x 2336 (8.2 MP, 3:2),
7008 x 3944 (27.6 MP, 16:9),
4608 x 2592 (11.9 MP, 16:9),
3504 x 1968 (6.9 MP, 16:9),
6224 x 4672 (29.1 MP, 4:3),
4096 x 3072 (12.6 MP, 4:3),
3120 x 2336 (7.3 MP, Other),
4672 x 4672 (21.8 MP, 1:1),
3072 x 3072 (9.4 MP, 1:1),
2336 x 2336 (5.5 MP, 1:1)
Image File Format: JPEG (Exif Ver 2.3), .RAF RAW, RAW + JPEG JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 5.9 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​50p/​24p)
1280x720 (60p/​50p/​24p)
3840x2160 (60p/​50p/​30p/​25p/​24p)
1920x1080 (120p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: H.264 (MOV) with stereo sound XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4)
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 Sony E
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 Sony FE 28-70mm f/3.5-5.6 OSS SEL2870
Focal Length (35mm equivalent): 24 - 76mm 28 - 70mm
Focal Length (actual): 16 - 50mm 28 - 70mm
Zoom Ratio: 3.13x 2.50x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.5-22 (W) / f/5.6-36 (T)
Integrated ND Filter: No No
Normal Focus Range: 15 cm to Infinity
5.9 in to Infinity
40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; 2x Clear Image Digital Zoom
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) Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type:   EVF: 1.3 cm (0.5 type) 3.68M-dot UXGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0 diopter, 23mm eyepoint from the eyepiece lens
Focus Peaking: Yes Yes
EVF Resolution: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 3,680,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: Yes Yes
Max Playback Zoom:   13.3x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 51200
Minimum ISO (native): 200 100
ISO Settings: 200-6400, Extended output sensitivity equivalent ISO 100, 12800 and 25600; AUTO1, AUTO2, AUTO3 Auto, 100 - 51200, expandable to 50 - 204800
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, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green and 29-step Amber/Blue compensation), Underwater
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 1200-zone Evaluative Multi-segment, Center-weighted, Spot (Standard/Large), Entire Screen Avg., Highlight
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 3 Custom Settings; Creative Look; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2, 10, Smile, Buddy, Group seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): 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 Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
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 +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Enhanced Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control: Trigger Only No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC / CFexpress
UHS Support: UHS-I UHS-I
Other Memory:   2x:CFexpress Type A, SD UHS-II
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: .RAF RAW, RAW + JPEG RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Movie File Format: H.264 (MOV) with stereo sound XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes Yes
NFC: No Yes
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 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wi-Fi or optional RR-90 wired remote Yes, via USB or Wi-Fi
Connections (extended): Micro (Type D) HDMI USB-C (USB 3.2 Gen2, 10Gbps), Multi-Terminal Micro USB (with remote support), Type-A HDMI, 3.5mm Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.01  
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  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.9 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 828
RAW shooting speed in burst mode (fps): 5.8  
Buffer size for RAW shooting in burst mode (frames): 6  
RAW+JPEG shooting speed in burst mode (fps): 5.8  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 6  
Shutter lag (full AF, wide/mid): 0.37 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.194 seconds  
Shutter lag (full AF, with flash): 0.43 seconds  
Shutter Lag (prefocused): 0.048 seconds  
Shutter Lag (notes):    
Startup Time: 2.0 seconds  
Play -> Record Time: 1.5 seconds  
Flash cycle time, full power: 3.4 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 410 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary NP-W126S Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-W126S Lithium-ion rechargeable 1 x Proprietary NP-FZ100 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No Yes
Internal Charging Supported: Yes Yes
Software
Included Software: Viewer software, RAW File Converter, etc. available via download Capture One Express (for Sony) free download
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: Available in Silver, Brown and Pink.