• 35mm 855.6mm2
  • 18.0 megapixels
  • ISO 160 - 2500
  • 35mm 858.0mm2
  • 33.0 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Leica M9 / M9-P
  • Sony Alpha ILCE-A7 IV
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A7 III
A7 III vs A7 IV
Successor:    
General
Model Number: M9 A7 IV
Alternate Model Number(s): M9-P ILCE-7M4
Camera Format: Rangefinder Compact System Camera
Currently Manufactured: No Yes
Retail Price: $7999.99 $2500.00
Street Price:   $2,231.33
Date Available: 2009-09-14 2021-12-31
Tripod Mount: Yes Yes
Weight: 21.3 oz (605 g)
includes batteries
23.2 oz (658 g)
includes batteries
Size: 5.5 x 3.1 x 1.5 in.
(139 x 80 x 37 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: CCD CMOS
Sensor Manufacturer: Kodak KAF-18500 Sony
Effective Megapixels: 18.0 33.0
Sensor Format: 35mm 35mm
Sensor size: 855.62mm2 (35.80mm x 23.90mm) 858.01mm2 (35.90mm x 23.90mm)
Approximate Pixel Pitch: 6.87 microns 5.12 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 No
DxO Sensor Score: 69  
DxO Color Depth Score (bits): 22.5  
DxO Dynamic Range Score (evs): 11.7  
DxO Maximum Effective ISO Score (iso): 884  
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)
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, .DNG RAW (14-bit, compressed or uncompressed), RAW+JPEG JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 1.7 10.0
Video Capture
Can take movies: No Yes
Movie Resolution: 3840x2160 (60p/​50p/​30p/​25p/​24p)
1920x1080 (120p/​60p/​50p/​30p/​25p/​24p)
Movie File Format:   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: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Leica M bayonet Sony E
Lens: n/a Sony FE 28-70mm f/3.5-5.6 OSS SEL2870
Focal Length (35mm equivalent):   28 - 70mm
Focal Length (actual):   28 - 70mm
Zoom Ratio:   2.50x
Aperture Range: Varies with lens used f/3.5-22 (W) / f/5.6-36 (T)
Integrated ND Filter: No No
Normal Focus Range:   40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: No Yes
Auto Focus Type: n/a 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? 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) 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: No Yes
EVF Resolution: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.68x  
Viewfinder Magnification (nominal/claimed): 0.68x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.0
Rear Display Resolution: 230,000 dots 3,680,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:   13.3x
Top Deck Display: No No
Exposure
Maximum ISO (native): 2500 51200
Minimum ISO (native): 160 100
ISO Settings: Auto, ISO 160 to 2,500 in 1/3EV steps, extendable to ISO 80 Auto, 100 - 51200, expandable to 50 - 204800
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 57-step Magenta/Green and 29-step Amber/Blue 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 (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; Creative Look; 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  
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: n/a Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
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 MS PRO Duo / SD / SDHC / SDXC / CFexpress
UHS Support:   UHS-I
Other Memory:   2x:CFexpress Type A, SD UHS-II
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, RAW+HEIF
Movie File Format:   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: 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 Yes, via USB or Wi-Fi
Connections (extended):   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): 0.63  
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):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 1.7 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 7 828
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):    
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  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.125 seconds  
Shutter Lag (notes):    
Startup Time: 0.8 seconds  
Play -> Record Time: 0.1 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 350 shots  
Battery Life, Video:    
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 Windows, Mac OS X
Miscellaneous
Notes & Features: