Product ID: 12876

EAN: 4548736119154

  • New 12MP sensor with fast reading
  • Capture 1080p 240fps, 4k 120fps, 10-bit 4: 2: 2 and 4K120fps RAW over HDMI
  • 4K 10-bit 4: 2: 2 is only up to 60fps internally
  • No internal RAW video
  • Downgraded 1080p from 4K
  • Bitrate 600mbps
  • ISO 160 base for S-LOG3
  • No double ISO
  • Maximum video ISO 409,600
  • 16-bit RAW output (still images, not video)
  • 15 stops of dynamic range (claims Sony)
  • New 9.44 million dot high resolution EVF (QXGA resolution)
  • A new kind of quiet passive cooling system
  • No overheating or recording time limits
  • Dual UHS-II SD and CFExpress Type-A hybrid card slots
  • Similar in appearance to the Sony A7R IV
  • A fully articulated LCD screen

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Sony Alpha a7S III Mirrorless Digital Camera

Optimized video, optimized sensitivity, optimized speed, the Sony Alpha a7S III raises the bar for what a full-frame mirrorless camera is capable of. A revised 12.1MP Exmor R BSI CMOS sensor and an updated BIONZ XR image processor deliver faster performance, improved noise reduction and wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit sampling. 4: 2: 2.
Video is the core application of the a7S III, and sensor and processor improvements allow for faster read speeds and a greatly reduced rolling shutter, along with high-bitrate internal recording, 16-bit raw output through Full-size HDMI port and flexible control over motion with variable frame rate selection. The a7S III also eliminates recording time limits and incorporates HLG for direct HDR production, as well as S-Log2 / S-Log3 gamma profiles for advanced HDR production with editing.
The updated sensor design also provides improved autofocus performance through 759 phase detection points, offering intelligent subject tracking and real-time Eye AF to ensure critical focus on moving subjects in all shooting modes. . The BIONZ XR sensor and processor also facilitate impressive sensitivity, with an expanded range of ISO 40-409600, as well as fast 10fps continuous shooting for up to 1000 consecutive raw frames. Additionally, 5-axis SteadyShot INSIDE sensor shift image stabilization is also available, minimizing the appearance of camera shake by up to 5.5 stops.
Complementing the imaging assets, Sony has also made some changes to the physical design of the a7S III, including a rear LCD with an articulated side-opening design and an impressive 9.44m-dot OLED electronic viewfinder. The camera menu system has also been updated for more intuitive navigation, and the body design helps promote better heat dissipation to enhance continuous recording capabilities. Additionally, the two memory card slots support CFexpress Type A or SD UHS-II memory cards for flexible, high-speed file storage.
12.1MP BSI Exmor RS CMOS sensor and BIONZ XR image processor
A redesigned 12.1 MP full-frame CMOS sensor now features a back-illuminated Exmor RS design for improved clarity and reduced noise along with the impressive sensitivity expected, from ISO 80-102400 with an ISO 40-409600 range. extended. The updated sensor design also produces 2x faster read speeds than previous generations and, when combined with the revised BIONZ XR image processor, greatly reduces the rolling shutter by 3x and overall processing and handling of the camera up to 8 times faster. The sensor and processor combination also helps achieve a wide dynamic range, of up to approximately 14 stops for still images and 15 stops for video, and 10 fps continuous shooting for up to 1,000 uncompressed raw files for still images.
4K 120p UHD video, 10-bit 4: 2: 2 internal recording
It is possible to record up to UHD 4K with frame rates up to 120p, using a full 1: 1 pixel readout without clustering. Internal 10-bit 4: 2: 2 sampling is also possible in all recording modes, and if recording externally via the full-size HDMI A port, 16-bit raw output is also possible for tonal reproduction even greater post-production flexibility. Additionally, two codecs have also been developed: XAVC HS, which uses HEVC / H.265 encoding to retain more details at lower bit rates, and XAVC SI, which is an intra-frame codec for consistent performance and quality at bit rates. up to 600 Mb / s.

High speed recording at 120 fps also enables 4x and 5x slow motion movie recording with the frame rate set to 30p or 24p or, if switched to Full HD resolution, an effective frame rate is also available 240p for even more motion control. Also, adapting to long-format recording, the a7S III has no recording time limits to allow unlimited clip lengths. The physical design of the camera also features an improved heat dissipation structure to promote the longest possible recording times, up to an approximate recording time of 60 minutes at 4K60p.

With extensive customizable gamma and color controls, the a7S III allows users to adjust gamma, black level, knee, color level

Data sheet
Type of filter UV Ultraviolet Protector

Sony E lens mount
Camera format Full frame (1x crop factor)
Real pixels: 12.9 megapixels
Effective: 12.1 megapixels
Maximum Resolution 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
Exposure control
ISO Sensitivity Auto, 80 to 102400 (Extended: 40 to 409600)
Shutter speed
Bulb mode from 1/8000 to 30 seconds
Measurement 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)
Measurement 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, Shadow, 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
H.265 / XAVC HS 4: 2: 2 10-bit recording modes
UHD 4K (3840 x 2160) @ 23.976p / 25p / 29.97p / 50p / 59.94p / 100p / 119.88p [50 to 280 Mb / s]
H.265 / XAVC HS 4: 2: 0
UHD 4K 10-bit (3840 x 2160) @ 23.976p / 25p / 29.97p / 50p / 59.94p / 100p / 119.88p [30 to 200 Mb / s]
H.264 / XAVC SI 4: 2: 2
10-bit 4K UHD (3840 x 2160) @ 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 4K UHD (3840 x 2160) @ 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 4K UHD (3840 x 2160) @ 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]
Raw 16-bit external recording modes
4.2K (4264 x 2408) up to 59.94p
4: 2: 2
UHD 4K 10-bit (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) @ 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
Unlimited recording limit
NTSC / PAL video encoding
Audio recording
External microphone input for built-in microphone (stereo)
Audio File Format AAC LC, AC3, Dolby Digital 2ch, Linear PCM (stereo)
Live stream yes
Webcam functionality yes
Focus type Automatic 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 and monitor
Viewfinder Type Electronic (OLED)
Viewfinder Size 0.64 "
Viewfinder Resolution 9,437,184 dots
Viewfinder eye point 25mm
100% viewfinder coverage
Viewfinder magnification Approx. 0.9 times
Diopter Adjustment -4 to +3
Monitor size 3 "
Monitor resolution 1,440,000 dots
Articulating touchscreen LCD monitor type
Built in an instant No
Flash modes Auto, Fill flash, High speed sync, Off, Post sync, Red-eye reduction, Slow sync
Maximum sync speed 1/250 second
Flash compensation -3 to +3 EV (1/3, 1/2 EV steps)
TTL dedicated flash system
External flash connection Hot shoe
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
Operating temperature 32 to 104 ° F / 0 to 40 ° C
1 x NP-FZ100 rechargeable lithium-ion battery, 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)



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