• 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • APS-C 366.6mm2
  • 26.1 megapixels
  • ISO 160 - 12,800
  • Detailed specifications
  • Sony Alpha ILCE-A7R IV
  • Fujifilm X-S10
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A7R III
A7R III vs A7R IV
 
Successor: Sony A7R V  
General
Model Number: A7R IV X-S10
Alternate Model Number(s): ILCE-7RM4  
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $3500.00 $999.95
Street Price: $3,120.46 $999.00
Date Available: 2019-09-01 2020-11-01
Tripod Mount: Yes Yes
Weight: 23.5 oz (665 g)
includes batteries
16.4 oz (465 g)
includes batteries
Size: 5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 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: Sony  
Effective Megapixels: 61.0 26.1
Sensor Format: 35mm APS-C
Sensor size: 849.66mm2 (35.70mm x 23.80mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 3.76 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: None Not needed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: Yes Yes
DxO Sensor Score: 99  
DxO Color Depth Score (bits): 26.0  
DxO Dynamic Range Score (evs): 14.8  
DxO Maximum Effective ISO Score (iso): 3,344  
Image Capture
Image Resolution: 9504 x 6336 (60.2 MP, 3:2),
6240 x 4160 (26.0 MP, 3:2),
4752 x 3168 (15.1 MP, 3:2),
8448 x 6336 (53.5 MP, 4:3),
5552 x 4160 (23.1 MP, 4:3),
4224 x 3168 (13.4 MP, 4:3),
9504 x 5344 (50.8 MP, 16:9),
6240 x 3512 (21.9 MP, 16:9),
4752 x 2672 (12.7 MP, 16:9),
6336 x 6336 (40.1 MP, 1:1),
4160 x 4160 (17.3 MP, 1:1),
3168 x 3168 (10.0 MP, 1:1)
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 2.31), RAW (14-bit ARW 2.3), 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: 10.0 8.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
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: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo 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: Sony E Fujifilm X
Lens: n/a 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):   27 - 84mm
Focal Length (actual):   18 - 55mm
Zoom Ratio:   3.06x
Aperture Range:   f/2.8 (wide) / f/4 (tele) - f/22; 7 diaphragm blades
Integrated ND Filter: No
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 58.0mm
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 4D AF: 567 points (PDAF), APS-C mode with full-frame lens: 325 points (PDAF), with APS-C lens: 247 points (PDAF) / 425 points (contrast-detection AF); Wide (567 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 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: EVF / LCD EVF / LCD
Viewfinder Type: EVF: 1.3 cm (0.5 type) 5.76M-dot UXGA 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, eye sensor 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: 5,760,000 dots (1,920,000 pixels) 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.78x  
Viewfinder Magnification (nominal/claimed): 0.78x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,440,000 dots (360,000 px) 1,040,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:    
Top Deck Display: No No
Exposure
Maximum ISO (native): 32000 12800
Minimum ISO (native): 100 160
ISO Settings: AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 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, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater 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: 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight 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: 3 Custom Settings; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) 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, 5, 10; 3/5 shots after 2/5/10 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: 240.8 megapixels No
Flash
Built-in Flash: No Yes
Flash Modes: Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off 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: 1/250 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Enhanced Multi Interface Hot Shoe, Sync Terminal 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-II UHS-II
Other Memory: Dual SD UHS-II slots  
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (14-bit ARW 2.3), RAW+JPEG .RAF 14-bit RAW, uncompressed or lossless compression; RAW + JPEG; TIFF (8/16-bit)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo 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: Yes No
Bluetooth: Yes Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional via RM-VPR1, USB, Wi-Fi or Bluetooth Threaded cable release, optional wired, Wi-Fi and Bluetooth
Connections (extended): USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and Headphone jacks 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): <0.3  
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): <0.3  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 10.0 8.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 70  
RAW shooting speed in burst mode (fps): 7.2  
Buffer size for RAW shooting in burst mode (frames): 32  
RAW+JPEG shooting speed in burst mode (fps): 7.2  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 32  
Shutter lag (full AF, wide/mid): 0.21 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.124 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.022 seconds  
Shutter Lag (notes):    
Startup Time: 1.3 seconds  
Play -> Record Time: 1.5 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 670 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots  
Battery Life, Video: 105 minutes  
Battery Form Factor: Proprietary Proprietary NP-W126S
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FZ100 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: Yes Yes
Software
Included Software: Capture One Express (for Sony) free download  
OS Compatibility:    
Miscellaneous
Notes & Features: