Sony Alpha 7S III Specifications
Overview
| Variants (India) | Body only |
|---|---|
| Camera type | Mirrorless |
| Lens mount | Sony E-mount |
| Format | 35mm full-frame |
| Other | Heat-dissipating structure without a fan or vents |
| Other | Vertical grip connector |
Sensor & Image
| Sensor type | Exmor R CMOS (back-illuminated) |
|---|---|
| Sensor size | Full-frame (35.6 × 23.8 mm) |
| Effective megapixels | 12.1 MP |
| Image processor | BIONZ XR |
| ISO range | 80–102,400 (expanded 40–409,600) for stills; movies 80–102,400 (expanded up to 409,600) |
| Image stabilisation | In-body 5-axis sensor-shift (5.5 stops, CIPA); Active Mode for movies |
| Max photo resolution | 4240 × 2832 pixels |
| Photo formats | JPEG, HEIF (4:2:0 / 4:2:2), RAW (Sony ARW 4.0, compressed or uncompressed, 14-bit), RAW + JPEG, RAW + HEIF |
| Total pixels | about 12.9 million |
| Dynamic range | 15+ stops for movies (as stated by Sony India) |
| Aspect ratios | 3:2, 4:3, 16:9, 1:1; APS-C crop mode |
| Anti-dust | charge protection coating and ultrasonic vibration |
| Colour space | sRGB, Adobe RGB, BT.2100 (BT.2020 gamut) |
| Creative Look | 10 looks plus Custom Look (1–6) |
| Other | Dynamic Range Optimiser |
| White balance | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Underwater, colour temperature 2500–9900 K, Custom; shutter AWB lock |
| Other | Anti-flicker shooting |
| Lens compensation | peripheral shading, chromatic aberration, distortion |
Autofocus
| AF system | Fast Hybrid AF (phase-detection AF / contrast-detection AF) |
|---|---|
| AF points | 759 (phase-detection, about 92% of the sensor); 425 (contrast-detection) |
| Subject detection | Real-time Eye AF for humans (right/left eye select) in stills and movies; animal Eye AF in stills; Real-time Tracking; face detection with registered faces |
| AF working range | EV -6 to 20 (ISO 100 equivalent, f/2.0 lens) |
| Focus modes | AF-A, AF-S, AF-C, DMF, manual focus |
| Focus areas | Wide, Zone, Centre Fix, Spot, Expand Spot, Tracking |
| Other | Touch Focus, Touch Tracking, Touch AE |
| Other | AF Transition Speed and AF Subject Shift Sensitivity for movies |
| APS-C mode | 345 points with full-frame lenses, 285 with APS-C lenses |
| Other | Focus Magnifier; peaking |
| AF illuminator | built-in LED (about 0.3–3.0 m) |
Shutter & Shooting
| Shutter type | Electronically-controlled, vertical-traverse, focal-plane mechanical shutter; electronic shutter; electronic front curtain; silent shooting |
|---|---|
| Shutter speed range | Stills: 1/8000 to 30 s, Bulb; movies: 1/8000 to 1/4 s |
| Continuous shooting | Hi+: 10 fps; Hi: 8 fps; Mid: 6 fps; Lo: 3 fps |
| Built-in flash | No |
| Flash sync speed | 1/250 s |
| Metering | 1200-zone evaluative: multi-segment, centre-weighted, spot (standard/large), entire screen average, highlight |
| Exposure compensation | ±5.0 EV (1/3 or 1/2 EV steps); ±3 EV on the dial |
| Buffer | over 1,000 frames in JPEG, RAW and RAW + JPEG |
| Exposure modes | iAuto, P, A, S, M; Flexible Exposure Mode for movies |
| Exposure bracketing | 3, 5 or 9 frames; white balance and DRO bracketing |
| Self-timer | 10, 5 or 2 s; continuous and bracketing self-timer |
| Other | Interval recording |
| Flash | pre-flash TTL, ±3.0 EV compensation, wireless and hi-speed sync with compatible Sony flashes |
| Custom settings | 3 sets in body, 4 on card; separate stills and movie settings; My Dial; My Menu |
Video
| Max video resolution | 4K (3840 × 2160) at 120p |
|---|---|
| Slow motion | 4K at 120p; Full HD at 240 fps in Slow & Quick Motion |
| Video formats and codecs | XAVC S-I (All-Intra), XAVC S (MPEG-4 AVC/H.264), XAVC HS (MPEG-H HEVC/H.265) |
| Bit depth and colour sampling | 10-bit 4:2:2 internal; 16-bit RAW output over HDMI (up to 4K 60p) |
| Log and colour profiles | S-Log2, S-Log3, HLG; Picture Profiles PP1–PP10; Creative Look |
| Max bitrate | 600 Mbps (XAVC S-I 4K 60p) |
| Video stabilisation | 5-axis in-body stabilisation with Active Mode |
| Other | 4K at 120p, 100p, 60p, 50p, 30p, 25p, 24p; Full HD up to 120p |
| Other | Proxy recording (1280 × 720 or 1920 × 1080) |
| Over one hour of 4K 60p 10-bit 4 | 2:2 recording with dual-slot relay (as stated by Sony India) |
| Other | Time code / user bit; Gamma Display Assist; zebra; recording frame display |
| Clear Image Zoom in movies | about 1.5x (4K), 2x (HD) |
Viewfinder & Screen
| Viewfinder type | OLED EVF |
|---|---|
| Viewfinder resolution | 9.44 million dots |
| Viewfinder magnification | About 0.90x |
| Viewfinder coverage | 100% |
| Rear screen size | 3.0 inches |
| Rear screen resolution | 1,440,000 dots |
| Rear screen type | Vari-angle (side-opening, about 176° open, 270° rotation) |
| Touchscreen | Yes |
| EVF | 1.6 cm (0.64-type); 60 or 120 fps finder frame rate; eyepoint about 25 mm; dioptre -4.0 to +3.0 m⁻¹ |
| Screen | 3.0-type TFT; Sunny Weather mode; touch menu operation |
| Other | Digital level gauge, histogram, grid lines, movie markers, vertical display |
Audio
| Built-in microphone | Built-in stereo microphone |
|---|---|
| Mic input | 3.5 mm |
| Headphone output | Yes (3.5 mm) |
| Other | Multi Interface Shoe with Digital Audio Interface |
| Audio formats | LPCM 2ch (16 or 24-bit), LPCM 4ch (24-bit), AAC-LC 2ch |
| Other | Built-in monaural speaker |
Storage & Connectivity
| Memory card slots | 2 × CFexpress Type A / SD (UHS-II) |
|---|---|
| USB | USB Type-C (USB 3.2, 5 Gbps) |
| HDMI | Full-size HDMI (Type A) |
| Wi-Fi | Wi-Fi 5 (802.11a/b/g/n/ac), 2.4 / 5 GHz |
| Bluetooth | Bluetooth 5.0 |
| Webcam and live streaming | USB streaming up to 4K (3840 × 2160) 30p, MJPEG or YUV420 |
| GPS | Via phone app (location information from smartphone) |
| Dual-slot modes | simultaneous, sort, relay and copy |
| Other | NFC one-touch remote |
| Other | FTP transfer; PC remote |
| Other | View on smartphone, remote control via smartphone |
Durability
| Weather sealing | Dust- and moisture-resistant design |
|---|---|
| Operating temperature | 0 to 40 °C |
Battery & Power
| Battery | NP-FZ100 (rechargeable) |
|---|---|
| Shots per charge | About 510 shots (viewfinder), about 600 shots (screen) (CIPA) |
| Video recording time | About 80 min (viewfinder), about 95 min (screen), actual recording (CIPA) |
| USB charging and power | USB Type-C charging and power supply (USB Power Delivery compatible) |
| Continuous recording | about 130 min (viewfinder), about 135 min (screen) (CIPA) |
| Power consumption | about 3.3–4.3 W stills, about 7.3–7.6 W movies (with FE 28-70mm lens) |
Design
| Dimensions (W × H × D) | 128.9 × 96.9 × 80.8 mm (69.7 mm from grip to monitor) |
|---|---|
| Weight | With battery and card: about 699 g |
| Colour options | Black |
In the Box & Warranty
| Box contents | Camera body, NP-FZ100 battery, 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) |
|---|---|
| Warranty | 2 years (manufacturer) |
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