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Sony Alpha a7S III Mirrorless Camera Body

by Sony
Original price $3,499.99 - Original price $3,499.99
Original price
$3,499.99
$3,499.99 - $3,499.99
Current price $3,499.99
SKU 62251
Minimum quantity allowed is .
Maximum quantity allowed is .
The product can be bought in quantity increments of .

Introducing the Alpha 7S III – a new milestone in sensitivity, speed and image supremacy. Featuring an all-new 12.1MP backside illuminated full-frame sensor with twice the readout speed for ultra-clean low-light images up to ISO 409,600 with 15+ stops dynamic range and 3x reduction in rolling shutter, plus Sony’s acclaimed fast hybrid autofocus with 759 phase detection AF points. A new BIONZ XR processing engine deliver 8x more processing power for up to 120p 4K 10-bit 4:2:2 and full pixel readout in all recording modes.

Glazer's SKU 62251
Manufacturer Sony
MFG SKU ILCE7SM3/B
Product Specs
  α Body [E-mount]
  ILCE7SM3/B
  Interchangeable lens digital camera
Lens Mount E-mount
Type 35mm full frame (35.6 x 23.8mm), Exmor R CMOS sensor
Number Of Pixels (Effective) Approx. 12.1 megapixels
Number of Pixels (total) Approx. 12.9 megapixels
Aspect Ratio 3:02
Color filter R, G, B primary color
Anti-Dust System Yes (Charge protection coating on Optical Filter and ultrasonic vibration mechanism)
Recording Format JPEG (DCF Ver. 2.0, Exif
Ver. 2.32, MPF Baseline compliant),
HEIF (MPEG-A MIAF compliant),
RAW (Sony ARW 4.0 format
compliant)
Image Size (pixels) [3:2] 35mm full frame L: 4240 x 2832 (12M), M: 2768 x 1848 (5.1M), S: 2128 x 1416 (3.0M)
APS-C L: 2768 x 1848 (5.1M), M: 2128 x 1416 (3.0M), S: 1376 x 920 (1.3M)
Image size (pixels) [4:3] 35mm full frame L: 3776 x 2832 (11M), M: 2464 x 1848 (4.6M), S: 1888 x 1416 (2.7M)
APS-C L: 2464 x 1848 (4.6M), M: 1888 x 1416 (2.7M), S: 1232 x 920 (1.1M)
Image Size (pixels) [16:9] 35mm full frame L: 4240 x 2348 (10M), M: 2768 x 1560 (4.3M), S: 2128 x 1200 (2.6M)
APS-C L: 2768 x 1560 (4.3M), M: 2128 x 1200 (2.6M), S: 1376 x 776 (1.1M)
Image size (pixels) [1:1] 35mm full frame L: 2832 x 2832 (8M), M: 1840 x 1840 (3.4M), S: 1408 x 1408 (2.0M)
APS-C L: 1840 x 1840 (3.4M), M: 1408 x 1408 (2.0M), S: 912 x 912 (0.8M)
Image Size (pixels) [Sweep Panorama] -
Image Quality Modes RAW (Compressed / Uncompressed)
JPEG (Extra fine / Fine / Standard)
HEIF (4:2:0 / 4:2:2) (Extra fine / Fine / Standard)
RAW & JPEG
RAW & HEIF
RAW Output Yes
Picture Effect -
Creative Style -
Creative Look ST, PT, NT, VV, VV2, FL, IN, SH, BW, SE, Custom Look (1-6)
Picture Profile Yes (Off / PP1-PP10) Parameters: Black level, Gamma (Movie, Still, Cine1-4, ITU709, ITU709 [800%], S-Log2, S-Log3, HLG, HLG1-3), Black Gamma, Knee, Color Mode, Saturation, Color Phase, Color Depth, Detail, Copy, Reset
Dynamic Range Functions Off, Dynamic Range Optimizer
Colour Space sRGB standard (with sYCC gamut) and Adobe RGB standard compatible with TRILUMINOS Color. BT.2020 standard. *1 
Recording Format XAVC S
XVAVC HS
Video Compression XAVC S: MPEG-4 AVC/H.264
XAVC HS: MPEG-H HEVC/H.265
Audio Recording Format LPCM 2ch(48kHz 16bit), LPCM 2ch(48kHz 24bit) *2 , LPCM 4ch(48kHz 24bit) *2 , MPEG-4 AAC-LC 2ch *3 
Picture Effect -
Creative Style -
Creative Look ST, PT, NT, VV, VV2, FL, IN, SH, BW, SE, Custom Look (1-6)
Picture Profile Yes (Off / PP1-PP10) Parameters: Black level, Gamma (Movie, Still, Cine1-4, ITU709, ITU709 [800%], S-Log2, S-Log3, HLG, HLG1-3), Black Gamma, Knee, Color Mode, Saturation, Color Phase, Color Depth, Detail, Copy, Reset
Colour Space BT.2020 standard compatible with TRILUMINOS Color
3840 x 2160 (4:2:0, 10bit, NTSC) (Approx.) 120p (200Mbps)
60p (150Mbps / 75Mbps / 45Mbps)
24p (100Mbps / 50Mbps / 30Mbps)
3840 x 2160 (4:2:0, 10bit, PAL) (Approx.) 100p (200Mbps)
50p (150Mbps / 75Mbps / 45Mbps)
3840 x 2160 (4:2:2, 10bit, NTSC) (Approx.) 120p (280Mbps)
60p (200Mbps / 100Mbps)
24p (100Mbps / 50Mbps)
3840 x 2160 (4:2:2, 10bit, PAL) (Approx.) 100p (280Mbps)
50p (200Mbps / 100Mbps)
3840 x 2160 (4:2:0, 8bit, NTSC) (Approx.) 120p (200Mbps)
60p (150Mbps)
30p (100Mbps / 60Mbps)
24p (100Mbps / 60Mbps)
3840 x 2160 (4:2:0, 8bit, PAL) (Approx.) 100p (200Mbps)
50p (150Mbps)
25p (100Mbps / 60Mbps)
3840 x 2160 (4:2:2, 10bit, NTSC) (Approx.) 120p (280Mbps)
60p (200Mbps)
30p (140Mbps)
24p (100Mbps)
3840 x 2160 (4:2:2, 10bit, PAL) (Approx.) 100p (280Mbps)
50p (200Mbps)
25p (140Mbps)
1920 x 1080 (4:2:0, 8bit, NTSC) (Approx.) 120p (100Mbps / 60Mbps)
60p (50Mbps / 25Mbps)
30p (50Mbps / 16Mbps)
24p (50Mbps)
1920 x 1080 (4:2:0, 8bit, PAL) (Approx.) 100p (100Mbps / 60Mbps)
50p (50Mbps / 25Mbps)
25p (50Mbps / 16Mbps)
1920 x 1080 (4:2:2, 10bit, NTSC) (Approx.) 60p (50Mbps)
30p (50Mbps)
24p (50Mbps)
1920 x 1080 (4:2:2, 10bit, PAL) (Approx.) 50p (50Mbps)
25p (50Mbps)
3840 x 2160 (4:2:2, 10bit, NTSC) (Approx.) 60p (600Mbps)
30p (300Mbps)
24p (240Mbps)
3840 x 2160 (4:2:2, 10bit, PAL) (Approx.) 50p (500Mbps)
25p (250Mbps)
1920 x 1080 (4:2:2, 10bit, NTSC) (Approx.) 60p (222Mbps)
30p (111Mbps)
24p (89Mbps)
1920 x 1080 (4:2:2, 10bit, PAL) (Approx.) 50p (185Mbps)
25p (93Mbps)
Image frame rate NTSC mode:
1fps,2fps,4fps,8fps,15fps,30fps,60fps,120fps, 240fps *4 
PAL mode:
1fps,2fps,3fps,6fps,12fps,25fps,50fps,100fps, 200fps *4 
Audio Level Display Yes
Audio Rec Level Yes
PAL/NTSC Selector Yes
Proxy Recording Yes (1280 x 720 (Approx. 6Mbps), 1920 x 1080(Approx. 9Mbps), 1920 x 1080(Approx. 16Mbps))
TC/UB Yes
Auto Slow Shutter Yes
Gamma Disp. Assist Yes
RAW Output Yes (HDMI)
Location information Link from smartphone Yes
Media SD memory card
SDHC memory card (UHS-I/II compliant)
SDXC memory card (UHS-I/II compliant)
CFexpress Type A memory card
Memory Card Slot SLOT1: Multi slot for SD (UHS-I/II compliant) memory card / CFexpress Type A card, SLOT2: Multi slot for SD (UHS-I/II compliant) memory card / CFexpress Type A card
  Simult. Rec, Sort, Auto Switch Media, Copy
  FAT12, 16, 32, exFAT
Noise Reduction Long exposure NR: On/Off, available at shutter speeds longer than 1 sec.
High ISO NR: Normal / Low / Off
White Balance Modes Auto / Daylight / Shade / Cloudy / Incandescent / Fluorescent / Flash / Underwater / Color Temperature (2500 to 9900K) & color filter / Custom
  Yes (Shut. Halfway Down / Cont. Shooting / Off)
  Fast Hybrid AF (phase-detection AF / contrast-detection AF)
Focus Sensor Exmor R CMOS sensor
Focus Point 35mm full frame: 759 points (phase-detection AF), APS-C mode with FF lens: 345 points (phase-detection AF), with APS-C lens: 285 points (phase-detection AF) / 425 points (contrast-detection AF)
Focus Sensitivity Range EV-6 to EV20 (ISO100 equivalent with F2.0 lens attached)
Focus Mode AF-A (Automatic AF), AF-S (Single-shot AF), AF-C (Continuous AF), DMF (Direct Manual Focus), Manual Focus
Focus Area Wide / Zone / Center / Flexible Spot / Expanded Flexible Spot / Tracking
Eye AF [Still images] Human (Right/Left Eye Select) / Animal, [Movie] Human (Right/Left Eye Select)
Other Features Predictive control
Focus lock
AF Track Sens. (Still)
AF Subj. Shift Sensitivity (Movie)
AF Transition Speed (Movie)
Switch V/H AF Area
AF Area Regist.
Circ. of Focus Point
AF Illuminator Yes (with Built-in LED type)
AF Illuminator range Approx. 0.3m - approx. 3.0m (with FE 28-70mm F3.5-5.6 OSS lens attached)
Focus type with LA-EA3 (Sold separately) Phase-detection
Metering Type 1200-zone evaluative metering
Metering Sensor Exmor R CMOS sensor
Metering Sensitivity EV-3 to EV20 (at ISO100 equivalent with F2.0 lens attached)
Metering Mode Multi-segment
Center-weighted
Spot (Standard / Large)
Spot
Entire Screen Avg.
Highlight
Exposure Modes AUTO (iAuto)
Programmed AE (P)
Aperture priority (A)
Shutter-speed priority (S)
Manual (M)
Movie (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) / Flexible Exp. Mode)
Slow & Quick Motion (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) / Flexible Exp. Mode)
Exposure Compensation +/- 5.0EV (1/3 EV, 1/2 EV steps selectable) (with exposure compensation dial: +/- 3EV (1/3 EV steps))
Exposure Bracketing Bracket: Cont., Bracket: Single, 3/5/9 frames selectable. (Ambient light, Flash light)
AE Lock Locked when shutter button is pressed halfway. Available with AE lock button. (On/Off/Auto)
ISO sensitivity (Recommended Exposure Index) Still images: ISO 80-102400 (ISO numbers up from ISO 40 to ISO 409600 can be set as expanded ISO range.), AUTO (ISO 80-12800, selectable lower limit and upper limit), Movies: ISO 80-102400 equivalent (ISO numbers up to ISO 409600 can be set as expanded ISO range.), AUTO (ISO 80-12800, selectable lower limit and upper limit)
Anti-flicker Shoot. Yes *5 
Viewfinder Type 1.6 cm (0.64 type) electronic viewfinder (Quad-XGA OLED)
Number of Dots 9,437,184 dots
Control function Brightness, Color temperature, Magnifi.
Field Coverage 100%
Magnification Approx. 0.90x (with 50mm lens at infinity, -1m-1)
Dioptre Adjustment -4.0 to +3.0m-1
Eye Point Approx. 25mm from the eyepiece lens, 21mm from the eyepiece frame at -1m-1 (CIPA standard)
Display function Histogram, Real-time image-adjustment display, Digital level gauge, Grid line, Focus check, Peaking MF, Zebra, Movie marker, Emphasezed display during REC
Finder Frame Rate Selection NTSC mode: STD 60fps / HI 120fps, PAL mode: STD 50fps / HI 100fps
Type 7.5cm (3.0-type) type TFT
Touch Panel Yes
Number of Dots 1,440,000 dots
Brightness Control Manual (5 steps between -2 and +2), Sunny Weather mode
Display function Histogram, Real-time image-adjustment display, Digital level gauge, Grid line, Focus check, Peaking MF, Zebra, Movie marker, For viewfinder, Monitor Off, Emphasezed display during REC
Adjustable Angle Opening Angle:Approx. 176 deg., Rotation Angle:Approx. 270 deg.
Focus Magnifier Yes, Focus Magnifier (35mm full frame: 2.1x / 4.1x, APS-C: 1.5x / 3.0x)
Face Detection Face Priority in AF, Face Priority in Multi Metering, Regist. Faces Priority
Interval recording Yes
Clear Image Zoom Approx. 2x
Clear Image Zoom Approx. 1.5x (4K), Approx. 2x (HD)
Digital Zoom 35mm full frame: M: approx. 1.5x, S: approx. 2x
APS-C: M:approx. 1.3x, S: approx. 2x
Digital Zoom 35mm full frame: L: approx. 4x, M: approx. 6.1x, S: approx. 8x
APS-C: L: approx. 4x, M:approx. 5.2x, S: approx. 8x
Digital Zoom 35mm full frame: approx. 4x
APS-C: approx. 4x
Type Electronically-controlled, vertical-traverse, focal-plane type
  Mechanical shutter / Electronic shutter
Shutter Speed Still images: 1/8000 to 30 sec, Bulb, Movies: 1/8000 to 1/4 (1/3 steps), up to 1/60 in AUTO mode (up to 1/30 in Auto slow shutter mode)
Flash Sync. Speed 1/250 sec.
Electronic Front Curtain Shutter Yes (ON/OFF)
Silent Shooting Yes (ON/OFF)
Type Image Sensor-Shift mechanism with 5-axis compensation (Compensation depends on lens specifications)
Compensation Effect 5.5 stops (based on CIPA standard. Pitch/yaw shake only. With Planar T* FE 50mm F1.4 ZA lens mounted. Long exposure NR off.)
  [Still images] On / Off, [Movie] Active / Standard / Off
Control Pre-flash TTL *7 
Self-Timer 10 sec. delay / 5 sec. delay / 2 sec. delay / Continuous self-time / Bracketing self-timer
Continuous Drive Speed (approx. max.) Continuous shooting: Hi+: 10 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps
Photo Capture Yes
PC Interface Mass-storage / MTP
Multi / Micro USB Terminal Yes
USB Type-C® Terminal Yes (SuperSpeed USB 5Gbps (USB 3.2) compatible)
NFC™ Yes (NFC forum Type 3 Tag compatible)
Wireless LAN (Built-In) Yes (Wi-Fi Compatible, IEEE 802.11a/b/g/n/ac (2.4GHz band/5GHz band)) *11 *12 
Bluetooth Yes (Bluetooth Standard Ver. 5.0 (2.4GHz band))
HD Output HDMI connector (Type-A)
3840 x 2160 (60p / 50p / 30p / 25p / 24p) / 1920 x 1080 (60p / 50p / 24p) / 1920 x 1080 (60i / 50i), YCbCr 4:2:2 10bit / RGB 8bit
4264 x 2408 (60p / 50p / 30p / 25p / 24p),
Raw 16bit
Multi Interface Shoe Yes (with Digital Audio Interface)
Mic Terminal Yes (3.5 mm Stereo minijack)
Headphone Terminal Yes (3.5 mm Stereo minijack)
Remote Control (Wireless) Yes (IR remote control / Bluetooth remote control)
Vertical Grip Connector Yes
Microphone Built-in, stereo
Speaker Built-in, monaural
Compatible Standards Exif Print, Print Image Matching III
Custom Function Type Yes
My Menu Yes
My Dial Settings Yes
Reg Cust Shoot Set Yes
Memory Function Yes (Body 3 sets /memory card 4 sets)
Setting Peripheral Shading, Chromatic Aberration, Distortion
Supplied Battery One rechargeable battery pack NP-FZ100
Battery Life (Still Images) Approx. 510 shots (Viewfinder) / approx. 600 shots (LCD monitor) (CIPA standard)
Battery Life (Movie, actual recording) Approx. 80 min. (Viewfinder) / Approx. 95 min. (LCD monitor)
(CIPA standard)
Battery Life (Movie, continuous recording) Approx. 130 min. (Viewfinder) / Approx. 135 min. (LCD monitor)
(CIPA standard)
Internal Battery Charge Yes (Available with USB Type-C Terminal. USB Power Delivery compatible)
USB Power supply Yes (Available with USB Type-C Terminal. USB Power Delivery compatible)
Power consumption with Viewfinder Still images: approx. 4.3W (with FE 28-70mm F3.5-5.6 OSS lens attached), Movies: approx. 7.6W (with FE 28-70mm F3.5-5.6 OSS lens attached)
Power consumption with LCD screen Still images: approx. 3.3W (with FE 28-70mm F3.5-5.6 OSS lens attached), Movies: approx. 7.3W (with FE 28-70mm F3.5-5.6 OSS lens attached)
Weight (with battery and memory card included) Approx. 699 g
Weight (with battery and memory card included) approx. 1 lb 8.7 oz
  Approx. 614 g
  approx. 1 lb 5.7 oz
Dimensions (W x H x D) Approx. 128.9mm x 96.9mm x 80.8mm, Approx. 128.9mm x 96.9mm x 69.7mm (FROM GRIP TO MONITOR)
Dimensions (W x H x D) Approx. 5 1/8 x 3 7/8 x 3 1/4 inches, Approx. 5 1/8 x 3 7/8 x 2 3/4 inches (FROM GRIP TO MONITOR)
Operating Temperature 32 - 104 degrees F / 0 - 40 degrees C
  Rechargeable Battery NP-FZ100
Battery Charger BC-QZ1
Power cord
Cable Protector
Shoulder strap
Body cap
Accessory shoe cap
Eyepiece cup
USB-A to USB-C cable (USB 3.2)