Sony Alpha a7S III Mirrorless Digital Camera (Body Only)

Lens Mount

Sony E

Camera Format

Full-Frame (1x Crop Factor)

Sensor Resolution

Actual: 12.9 Megapixel
Effective: 12.1 Megapixel (4240 x 2832)

Aspect Ratio

1:1, 3:2, 4:3, 16:9

Sensor Type

CMOS

Sensor Size

35.6 x 23.8 mm

Image File Format

JPEG, Raw, HEIF

Bit Depth

14-Bit

Image Stabilization

Sensor-Shift, 5-Axis

ISO Sensitivity

Auto, 80 to 102400 (Extended: 40 to 409600)

Shutter Speed

1/8000 to 30 Second
Bulb Mode

Metering Method

Center-Weighted Average, Highlight Weighted, Multiple, Spot

Exposure Modes

Aperture Priority, Manual, Program, Shutter Priority

Exposure Compensation

-5 to +5 EV (1/3 EV Steps)

Metering Range

-3 to 20 EV

White Balance

Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater

Continuous Shooting

Up to 10 fps at 12.1 MP for up to 1000 Frames (Raw) / 1000 Frames (JPEG)
Up to 8 fps at 12.1 MP
Up to 6 fps at 12.1 MP
Up to 3 fps at 12.1 MP

Interval Recording

Yes

Self-Timer

2/5/10-Second Delay

Recording Modes

H.265/XAVC HS 4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [50 to 280 Mb/s]
H.265/XAVC HS 4:2:0 10-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [30 to 200 Mb/s]
H.264/XAVC S-I 4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p [240 to 600 Mb/s]
Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p [89 to 222 Mb/s]
H.264/XAVC S 4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [100 to 280 Mb/s]
Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p/200p/239.76p [50 Mb/s]
H.264/XAVC S 4:2:0 8-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [60 to 200 Mb/s]
Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p/200p/239.76p [16 to 100 Mb/s]

External Recording Modes

Raw 16-Bit
4.2K (4264 x 2408) up to 59.94p
4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p
Full HD (1920 x 1080) at 23.976p/50p/59.94p
Full HD (1920 x 1080) at 50i/59.94i
4:2:0 8-Bit
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p
Full HD (1920 x 1080) at 23.976p/50p/59.94p
Full HD (1920 x 1080) at 50i/59.94i

Recording Limit

Unlimited

Video Encoding

NTSC/PAL

Audio Recording

Built-In Microphone (Stereo)
External Microphone Input

Audio File Format

AAC LC, AC3, Dolby Digital 2ch, Linear PCM (Stereo)

Live Streaming

Yes

Webcam Functionality

Yes

Focus Type

Auto and Manual Focus

Focus Mode

Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-Servo AF (S)

Autofocus Points

Phase Detection: 759
Contrast Detection: 425

Autofocus Sensitivity

-6 to +20 EV

Viewfinder Type

Electronic (OLED)

Viewfinder Size

0.64"

Viewfinder Resolution

9,437,184 Dot

Viewfinder Eye Point

25 mm

Viewfinder Coverage

100%

Viewfinder Magnification

Approx. 0.9x

Diopter Adjustment

-4 to +3

Size

3.0"

Resolution

1,440,000 Dot

Display Type

Articulating Touchscreen LCD

Built-In Flash

No

Flash Modes

Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync

Maximum Sync Speed

1/250 Second

Flash Compensation

-3 to +3 EV (1/3, 1/2 EV Steps)

Dedicated Flash System

TTL

External Flash Connection

Hot Shoe

Media/Memory Card Slot

Dual Slot: CFexpress Type A / SD

Connectivity

HDMI A (Full Size), USB Type-C (USB 3.2 Gen 1), USB Micro-B (USB 2.0), 3.5mm Microphone, 3.5mm Headphone

Wireless

Wi-Fi
Bluetooth

GPS

No

Operating Temperature

32 to 104°F / 0 to 40°C

Battery

1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 600 Shots)

Dimensions (W x H x D)

5.07 x 3.81 x 2.74" / 128.9 x 96.9 x 69.7 mm

Weight

1.35 lb / 614 g (Body Only)

Package Weight

Box Dimensions (LxWxH)

9.6 x 6.1 x 5.6"