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Film Kit Hire/Cameras/Sony A7s III

Sony A7s III

Mirrorless 4K Camera
Quantity in Stock 1

A full-frame Sony E-mount mirrorless camera body designed for professional video, low-light filming and hybrid production, offering 4K up to 120p, 10-bit 4:2:2 recording, fast autofocus, 5-axis stabilisation and dual CFexpress Type A / SD card slots.

Guide Hire Rates:
1 Day Hire £85
3 Day Hire £170
5 Day Hire £212
Weekly Hire £255
CONTACT US FOR DEALS, DISCOUNTS AND LONGER HIRE PERIODS
Contact for Quote
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Key Features:

  • 12.1MP full-frame Exmor R CMOS sensor.
  • Internal 4K recording up to 120p / 100p.
  • 10-bit 4:2:2 recording in supported formats.
  • Fast Hybrid AF with 759 phase-detection AF points.
  • Dual CFexpress Type A / SD UHS-I/II card slots.
Specification Value
Item Name Sony a7S III
Model / SKU Reference ILCE-7SM3
Product Type Full-frame mirrorless camera body
Primary Use Film production, documentary, interviews, low-light filming, events, corporate video and hybrid photo/video production
Lens Mount Sony E-mount
Lens Included No; lenses listed separately
Sensor Type 35mm full-frame Exmor R CMOS sensor
Sensor Size 35.6 x 23.8mm
Effective Pixels Approx. 12.1 megapixels
Total Pixels Approx. 12.9 megapixels
Image Processor BIONZ XR
Aspect Ratio 3:2
Still Image Formats JPEG, HEIF, RAW
RAW Format Sony ARW 4.0
14-bit RAW Yes
Maximum Still Image Size 4240 x 2832 pixels in 3:2 full-frame mode
Movie Recording Formats XAVC S, XAVC HS, XAVC S-I
Video Compression XAVC S: MPEG-4 AVC / H.264; XAVC HS: MPEG-H HEVC / H.265
Maximum Internal 4K Recording 3840 x 2160 up to 120p / 100p, depending on NTSC/PAL mode and recording format
Internal 10-bit Recording Yes, 4:2:2 10-bit in supported XAVC S, XAVC HS and XAVC S-I modes
All-Intra 4K Recording XAVC S-I 4K up to 60p / 50p
High Frame Rate Video 4K up to 120p / 100p; HD slow and quick motion frame rates available
Slow & Quick Motion NTSC: 1fps to 240fps; PAL: 1fps to 200fps, depending on mode
Picture Profiles PP1–PP10 with S-Log2, S-Log3, HLG, HLG1–3 and other gamma options
Colour Space Rec. ITU-R BT.2100 compatible for movie recording; stills support sRGB, Adobe RGB and BT.2020 gamut options
Proxy Recording Yes; 1280 x 720 and 1920 x 1080 proxy options
Timecode / User Bit Yes
HDMI RAW Output Yes, RAW output via HDMI to compatible external recorders
Audio Recording LPCM 2ch, LPCM 4ch with compatible accessories, MPEG-4 AAC-LC 2ch depending on recording mode
Built-In Microphone Stereo
Microphone Input 3.5mm stereo mini jack
Headphone Output 3.5mm stereo mini jack
Multi Interface Shoe Yes, with digital audio interface support
Autofocus System Fast Hybrid AF with phase-detection AF and contrast-detection AF
AF Points 759 phase-detection AF points in full-frame mode; 425 contrast-detection AF points
AF Sensitivity Range EV -6 to EV 20 at ISO 100 equivalent with F2.0 lens attached
Eye AF / Subject Recognition Human and animal Eye AF for stills; human Eye AF for movies
Focus Modes AF-A, AF-S, AF-C, DMF and manual focus
Focus Areas Wide, Zone, Center Fix, Spot, Expand Spot and Tracking
ISO Sensitivity – Stills ISO 80–102400; expandable to ISO 40–409600
ISO Sensitivity – Movies ISO 80–102400 equivalent; expandable up to ISO 409600
Metering System 1200-zone evaluative metering
Metering Modes Multi-segment, centre-weighted, spot, entire screen average and highlight
White Balance Auto, daylight, shade, cloudy, incandescent, fluorescent, flash, underwater, colour temperature 2500–9900K and custom
Image Stabilisation 5-axis in-body image sensor-shift stabilisation
Stabilisation Compensation Up to 5.5 stops, depending on lens and shooting conditions
Shutter Type Mechanical shutter and electronic shutter
Shutter Speed – Stills 1/8000 to 30 seconds, Bulb
Shutter Speed – Movies 1/8000 to 1/4 second, subject to mode
Flash Sync Speed 1/250 second
Continuous Shooting Up to approx. 10fps
Viewfinder 0.64-type electronic viewfinder
Viewfinder Resolution 9,437,184 dots
Viewfinder Coverage 100%
Viewfinder Magnification Approx. 0.90x
LCD Monitor 3.0-type vari-angle TFT touchscreen
LCD Resolution 1,440,000 dots
LCD Movement Approx. 176° opening angle and approx. 270° rotation angle
Memory Card Slots Dual multi-slots for SD UHS-I/II cards and CFexpress Type A cards
Compatible Media SD, SDHC, SDXC, UHS-I/II and CFexpress Type A memory cards
Dual Card Recording Simultaneous recording, sort, auto switch media and copy functions
USB USB Type-C, SuperSpeed USB 5Gbps / USB 3.2 compatible
USB Power Supply Yes, USB-C power delivery compatible
Wireless LAN Wi-Fi IEEE 802.11a/b/g/n/ac, 2.4GHz and 5GHz
Bluetooth Bluetooth 5.0
USB Streaming Up to 3840 x 2160 at 30p / 25p, depending on mode
Battery Sony NP-FZ100 rechargeable battery
Battery Life – Stills Approx. 510 shots with viewfinder / 600 shots with LCD monitor, CIPA standard
Battery Life – Movie Continuous Recording Approx. 130 minutes with viewfinder / 135 minutes with LCD monitor, CIPA standard
Battery Life – Movie Actual Recording Approx. 80 minutes with viewfinder / 95 minutes with LCD monitor, CIPA standard
Operating Temperature 0°C to 40°C
Dimensions Approx. 128.9 x 96.9 x 80.8mm
Weight Approx. 699g with battery and memory card
Standard Box Contents Listed by Sony NP-FZ100 battery, BC-QZ1 battery charger, power cord, cable protector, shoulder strap, body cap, accessory shoe cap, eyepiece cup and USB-A to USB-C cable
Supplied Hire Kit Contents Confirm from supplied hire kit
Type Link
Manufacturer Product Page View product page
Official Specifications View specifications
Manuals View manuals
Downloads / Firmware View downloads
Support Page View support page
Lens Compatibility Check lens compatibility

The Sony a7S III is a professional full-frame mirrorless camera body designed for filmmakers, videographers, documentary shooters and hybrid photo/video production.

Built around a 12.1MP effective full-frame Exmor R CMOS sensor, the a7S III is particularly well suited to low-light filming, handheld shooting, interviews, events, corporate work, music videos and small cinema-style production setups. Sony lists the expanded ISO range up to ISO 409600 for both stills and movie shooting.

For video work, the camera records internally in XAVC S, XAVC HS and XAVC S-I formats, including 4K recording up to 120p / 100p and 10-bit 4:2:2 options. This makes it useful for high-quality internal recording, slow motion, handheld documentary work, gimbal shooting and compact commercial production.

The a7S III also features Sony’s Fast Hybrid AF system, with 759 phase-detection points in full-frame mode and Real-time Eye AF for human subjects in stills and movie modes. This makes it a strong option for solo operators, interview work, live event capture and moving subjects where reliable autofocus is important.

For production workflows, the body includes dual multi-format card slots supporting SD UHS-I/II cards and CFexpress Type A cards, a full-size HDMI workflow with RAW output support, 3.5mm microphone and headphone ports, USB-C power support, Wi-Fi, Bluetooth and a Multi Interface Shoe with digital audio support.

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Company No. 15131387 - Registered Address: Unit D5, Pinetrees Road, Norwich, Norfolk, United Kingdom, NR7 9BB.

Copyright © 2026 Film Kinetics Ltd, All Rights Reserved

Company No. 15131387 - Registered Address: Unit D5, Pinetrees Road, Norwich, Norfolk, United Kingdom, NR7 9BB.

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Cost Estimate: £0.00 *subject to arrangement
Guide estimate only. Final hire cost is subject to availability, dates, collection/delivery, insurance requirements and agreement.