• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400
  • Detailed specifications
  • Sony Alpha DSLR-A900
  • Sony Alpha ILCE-A7S III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Sony A7S II
A7S III vs A7S II
General
Model Number: A900 A7S III
Alternate Model Number(s):   ILCE-7SM3
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $2999.99 $3499.99
Street Price:   $3,498.00
Date Available: 2008-11-15 2020-09-01
Tripod Mount: Yes Yes
Weight: 33.1 oz (939 g)
includes batteries
21.7 oz (614 g)
includes batteries
Size: 6.2 x 4.6 x 3.2 in.
(156 x 117 x 82 mm)
5.1 x 3.8 x 2.7 in.
(129 x 97 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 24.6 12.1
Sensor Format: 35mm 35mm
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 847.28mm2 (35.60mm x 23.80mm)
Approximate Pixel Pitch: 5.94 microns 8.40 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 79  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 12.3  
DxO Maximum Effective ISO Score (iso): 1,431  
Image Capture
Image Resolution: 6048 x 4032 (24.4 MP, 3:2),
6048 x 3408 (20.6 MP, Other),
4400 x 2936 (12.9 MP, 3:2),
4400 x 2472 (10.9 MP, 16:9),
3984 x 2656 (10.6 MP, 3:2),
3024 x 2016 (6.1 MP, 3:2),
2896 x 1928 (5.6 MP, 3:2),
3024 x 1704 (5.2 MP, Other),
1984 x 1320 (2.6 MP, 3:2)
4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2768 x 1848 (5.1 MP, 3:2),
2768 x 1560 (4.3 MP, Other),
2128 x 1416 (3.0 MP, 3:2),
2128 x 1200 (2.6 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW, cRAW, RAW+JPEG; (ARW 2.0) JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 5.0 n/a
Video Capture
Can take movies: No Yes
Movie Resolution: 4264x2408 (60p)
3840x2160 (120p/​60p/​50p/​30p/​25p/​24p)
1920x1080 (240p/​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: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Sony E
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No 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; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8. 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: Optical / LCD (playback only) EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism with 100% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter EVF: 0.64" 9.44M-dot QXGA color OLED, 100% coverage, 0.90x magnification, -4.0 to +3.0 diopter, 25mm eyepoint from the eyepiece lens
Focus Peaking: No Yes
EVF Resolution: n/a 9,437,184 dots (3,145,728 pixels)
Viewfinder Magnification (35mm equivalent): 0.74x 0.90x
Viewfinder Magnification (nominal/claimed): 0.74x 0.90x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 1,440,000 dots (480,000 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 19.0x 13.3x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 102400
Minimum ISO (native): 200 80
ISO Settings: Auto, 200-3200, Extensions to 100 and 6400 Auto, 80 - 102,400, expandable to 40 - 409,600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Color Temperature from 2,500K to 9,900K, Custom (3) 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: 1/8000 - 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: 40-segment Honeycomb Pattern, Center-weighted, Spot 1200-zone Evaluative Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   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 10 seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer):    
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: 1/250 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, PC-sync Enhanced Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: CF1 / CF2 / MS Duo / MS PRO Duo / Microdrive MS PRO Duo / SD / SDHC / SDXC / CFexpress
UHS Support:   UHS-I
Other Memory:   2x CFexpress Type A+SD UHS-II
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW, cRAW, RAW+JPEG; (ARW 2.0) 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
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: 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: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or wireless Yes, via USB or Wi-Fi
Connections (extended): DC input, Multi-connector, Sync termimal, Remote terminal, HDMI Type-C minijack USB-C (USB 3.2 Gen 1, 5Gbps), 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): 0.40  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.41  
Buffer size for RAW shooting in single shot mode (frames): 15  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.0  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 11  
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): 0.18 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.153 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.072 seconds  
Shutter Lag (notes):    
Startup Time: 0.5 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 880 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary
Usable Battery Types: NP-FM500H Lithium-ion rechargeable NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H 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: Image Data Converter SR, Image Data Lightbox SR, Remote Camera Control (all Windows & Macintosh), Picture Motion Browser (Windows only). Capture One Express (for Sony) free download
OS Compatibility: Windows 2000Pro/XP/Vista; Mac OS X (v 10.1.3+) Windows, Mac OS X
Miscellaneous
Notes & Features: 24.6MP Full-frame CMOS sensor, In-body SteadyShot Image Stabilization, Intelligent Preview, Enhanced DRO, Magnesium-alloy Body, Dust/Moisture Resistance, 100K Shutter, 3 User Programmable Memory Modes, AF Micro-adjustment, Top Mounted LCD, Quick Navigation system, Custom button, PhotoTV HD output via HDMI optimized for Sony Bravia TVs.