• 35mm 855.6mm2
  • 18.0 megapixels
  • ISO 160 - 2500
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • Detailed specifications
  • Leica M9 / M9-P
  • Sony Alpha ILCE-A7R IV
Links
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: M9 A7R IV
Alternate Model Number(s): M9-P ILCE-7RM4
Camera Format: Rangefinder Compact System Camera
Currently Manufactured: No Yes
Retail Price: $7999.99 $3500.00
Street Price:   $3,120.46
Date Available: 2009-09-14 2019-09-01
Tripod Mount: Yes Yes
Weight: 21.3 oz (605 g)
includes batteries
23.5 oz (665 g)
includes batteries
Size: 5.5 x 3.1 x 1.5 in.
(139 x 80 x 37 mm)
5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Kodak KAF-18500 Sony
Effective Megapixels: 18.0 61.0
Sensor Format: 35mm 35mm
Sensor size: 855.62mm2 (35.80mm x 23.90mm) 849.66mm2 (35.70mm x 23.80mm)
Approximate Pixel Pitch: 6.87 microns 3.76 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None None
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 69 99
DxO Color Depth Score (bits): 22.5 26.0
DxO Dynamic Range Score (evs): 11.7 14.8
DxO Maximum Effective ISO Score (iso): 884 3,344
Image Capture
Image Resolution: 5212 x 3472 (18.1 MP, 3:2),
3840 x 2592 (10.0 MP, Other),
2592 x 1728 (4.5 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2),
1280 x 846 (1.1 MP, Other)
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)
Image File Format: JPEG, .DNG RAW (14-bit, compressed or uncompressed), RAW+JPEG JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 1.7 10.0
Video Capture
Can take movies: No Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​60i/​50p/​50i/​30p/​25p/​24p)
Movie File Format:   XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Leica M bayonet Sony E
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range: Varies with lens used  
Integrated ND Filter: No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: No Yes
Auto Focus Type: n/a 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
Auto Focus Assist Light? n/a Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) EVF / LCD
Viewfinder Type: Non-TTL bright-line frame rangefinder w/ automatic parallax compensation, 0.68x magnification 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
Focus Peaking: No Yes
EVF Resolution: n/a 5,760,000 dots (1,920,000 pixels)
Viewfinder Magnification (35mm equivalent): 0.68x 0.78x
Viewfinder Magnification (nominal/claimed): 0.68x 0.78x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.0
Rear Display Resolution: 230,000 dots 1,440,000 dots (360,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:    
Top Deck Display: No No
Exposure
Maximum ISO (native): 2500 32000
Minimum ISO (native): 160 100
ISO Settings: Auto, ISO 160 to 2,500 in 1/3EV steps, extendable to ISO 80 AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Shade, Tungsten, Fluorescent 1, Fluorescent 2, Flash, Kelvin Setting, Manual Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
Shutter Speed Range: 1/4000 - 32 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: Center-weighted with working aperture 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight
Program Auto Exposure: No Yes
Aperture Priority: Yes Yes
Shutter Priority: No Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: n/a 3 Custom Settings; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 2 or 12 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No 240.8 megapixels
Flash
Built-in Flash: No No
Flash Modes: n/a Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: +/- 3.0 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:   No
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-II
Other Memory:   Dual SD UHS-II slots
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: .DNG RAW (14-bit, compressed or uncompressed), RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format:   XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No 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 USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Threaded cable release Optional via RM-VPR1, USB, Wi-Fi or 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
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.63 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.66  
Buffer size for RAW shooting in single shot mode (frames): 8  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 1.7 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 7 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): 0.125 seconds 0.124 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.125 seconds 0.022 seconds
Shutter Lag (notes):    
Startup Time: 0.8 seconds 1.3 seconds
Play -> Record Time: 0.1 seconds 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): 350 shots 530 shots
Battery Life, Video:   105 minutes
Battery Form Factor: 1 x proprietary 3.7v 1900mAh Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary 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: Yes
Internal Charging Supported: Yes
Software
Included Software: Free download of Adobe Lightroom for registered owners Capture One Express (for Sony) free download
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: