• 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • APS-C 337.5mm2
  • 32.5 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha ILCE-A7R IV
  • Canon EOS 90D
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Sony A7R III
A7R III vs A7R IV
Canon 80D
80D vs 90D
Successor: Sony A7R V  
General
Model Number: A7R IV 90D
Alternate Model Number(s): ILCE-7RM4  
Camera Format: Compact System Camera SLR
Currently Manufactured: Yes Yes
Retail Price: $3500.00 $1599.00
Street Price: $3,217.46 $1,099.00
Date Available: 2019-09-01 2019-09-15
Tripod Mount: Yes Yes
Weight: 23.5 oz (665 g)
includes batteries
42.9 oz (1,216 g)
includes batteries, kit lens
Size: 5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 mm)
5.5 x 4.1 x 3.0 in.
(141 x 105 x 77 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 61.0 32.5
Sensor Format: 35mm APS-C
Sensor size: 849.66mm2 (35.70mm x 23.80mm) 337.5mm2 (22.50mm x 15.00mm)
Approximate Pixel Pitch: 3.76 microns 3.23 microns
Focal Length Multiplier: 1.0x 1.6x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
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)
6960 x 4640 (32.3 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
3472 x 2320 (8.1 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6160 x 4640 (28.6 MP, 4:3),
4256 x 3200 (13.6 MP, 4:3),
3072 x 2320 (7.1 MP, Other),
2112 x 1600 (3.4 MP, Other),
6960 x 3904 (27.2 MP, 16:9),
4800 x 2688 (12.9 MP, Other),
3472 x 1952 (6.8 MP, 16:9),
2400 x 1344 (3.2 MP, Other),
4640 x 4640 (21.5 MP, 1:1),
3200 x 3200 (10.2 MP, 1:1),
2320 x 2320 (5.4 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1)
Image File Format: JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG JPEG (EXIF 2.31), 14-bit .CR3 RAW, C-RAW, RAW+JPEG, C-RAW+JPEG
Continuous-mode frames/second: 10.0 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p)
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MOV (Video: H.264 All-I, Audio: Stereo Linear PCM), MP4 (Video: H.264 IPB/IPB Light, 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 Canon EF/EF-S
Lens: n/a Canon EF-S 18-135mm f/3.5-5.6 IS USM
Focal Length (35mm equivalent):   29 - 216mm
Focal Length (actual):   18 - 135mm
Zoom Ratio:   7.50x
Aperture Range:   f/3.5 - f/22 (wide) / f/5.6 - f/36 (tele)
Integrated ND Filter: No
Normal Focus Range:   39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
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 OVF: AF-dedicated CMOS sensor, 45-points, up to 45 cross-type (f/5.6), 1 dual-cross (f/2.8 and f/5.6), 27 support f/8 (9 cross-type); Live View: Dual-Pixel CMOS AF
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) 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 SLR type; eye-level pentaprism, ~100% coverage, ~0.95x magnification, 22mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution: 5,760,000 dots (1,920,000 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.78x 0.59x
Viewfinder Magnification (nominal/claimed): 0.78x 0.95x
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 (346,600 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:    
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 32000 25600
Minimum ISO (native): 100 100
ISO Settings: AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 Auto, 100 - 25600 in 1/3 or 1EV steps, Expandable to 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 (with White or Ambience Priority), Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom, Kelvin 2,500K - 10,000K
Shutter Speed Range: 1/8000 - 30 sec 1/16000 - 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 220K-pixel RGB+IR metering sensor: 216-zone Evaluative (linked to all AF points), Center-weighted, Partial (6.5%), Spot (2.0%); 384 zones in Live View mode
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) Creative Auto, Scene (Portrait, Landscape, Close-up, Sports, Group Photo, Panning, Food, Kids, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), 2 Custom User Settings, Creative Filters (Fish-eye, Water-painting, Grainy Black and White, Soft Focus, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed)
Self Timer: 2, 5, 10; 3/5 shots after 2/5/10 seconds 10 or 2 seconds
Time Lapse (intervalometer): Yes 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 Auto, Manual flash, Integrated Speedlite Transmitter
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: n/a Lens aperture dependent; GN= 12m (39.4 ft.) at ISO 100, works out to about 11.2 feet at f/3.5 and 7 feet at f/5.6
Max Flash Sync: 1/250 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Enhanced Multi Interface Hot Shoe, Sync Terminal Hot Shoe
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 14-bit .CR3 RAW, C-RAW, RAW+JPEG, C-RAW+JPEG
Movie File Format: XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo MOV (Video: H.264 All-I, Audio: Stereo Linear PCM), MP4 (Video: H.264 IPB/IPB Light, 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 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional via RM-VPR1, USB, Wi-Fi or Bluetooth Optional wired or wireless
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 Mini (Type-C) HDMI, Micro-B USB 2.0, 3.5mm Microphone Jack, 3.5mm Headphone Jack, Wired Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 <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 0.31
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 10.0 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 70 57
RAW shooting speed in burst mode (fps): 7.2 10.0
Buffer size for RAW shooting in burst mode (frames): 32 27
RAW+JPEG shooting speed in burst mode (fps): 7.2 10.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 32 26
Shutter lag (full AF, wide/mid): 0.21 seconds 0.13 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.056 seconds
Shutter Lag (manual focus): 0.124 seconds 0.080 seconds
Shutter lag (full AF, with flash):   0.16 seconds
Shutter Lag (prefocused): 0.022 seconds 0.057 seconds
Shutter Lag (notes):   Default EFCS mode used. Electronic shutter mode: Full AF lag = 0.231s, Manual focus lag = 0.079s, Prefocused lag = 0.056s
Startup Time: 1.3 seconds 0.4 seconds
Play -> Record Time: 1.5 seconds 0.2 seconds
Flash cycle time, full power:   3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 670 shots 450 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 1300 shots
Battery Life, Video: 105 minutes  
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable LP-E6N or LP-E6 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FZ100 Lithium-ion rechargeable 1 x Proprietary LP-E6N 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  
OS Compatibility:    
Miscellaneous
Notes & Features: