12.1MP*1 Exmor R sensor, optimized for 4K, sensitivity and speed
New BIONZ XR processing engine delivers 8x more processing power*2
Low noise images w/ ISO up to 409,600*3 and 15+stop dynamic range*4
Up to 4K 120p*5 10-bit 4:2:2 and full pixel readout in all rec. modes
Up to 4K 120p*5 in XAVC S (AVC), XAVC HS (HEVC) and XAVC S-I (All-I)
16-bit RAW movie output up to 4K 60p via HDMI Type-A connector*6
Effective internal heat dissipation enables 1-hour 4K 60p recording*7
Fast readout for high frame rates, faster AF, minimal rolling shutter
No 29m 50s continuous recording limit for movie shooting
3” flip-out, vari-angle LCD monitor w/ touch menu and controls
The Sony Alpha a7S III is a full-frame mirrorless camera renowned for its exceptional video capabilities and low-light performance. It features a 12.1-megapixel Exmor R BSI CMOS sensor paired with the BIONZ XR image processor, enabling high sensitivity with an expanded ISO range up to 409600. This combination allows for UHD 4K video recording at up to 120 frames per second with 10-bit 4:2:2 color depth.
Designed with a compact yet ergonomic form factor, the camera features a deep grip, making it comfortable to hold for extended periods. The fully articulating LCD screen enhances usability for vloggers and cinematographers, while the intuitive button layout ensures quick access to essential settings.
The camera’s autofocus system includes 759 phase-detection points, ensuring fast and accurate focusing. Additionally, the a7S III offers 5-axis in-body image stabilization to minimize camera shake during handheld shooting.
For videographers, the a7S III supports various recording formats, including All-Intra and Long GOP compression, with a maximum bit rate of 600 Mbps. It also provides S-Log2/3 and Hybrid Log-Gamma (HLG) profiles for enhanced dynamic range and flexibility in post-production.
The camera is equipped with a 9.44-million-dot OLED electronic viewfinder and a 3-inch vari-angle touchscreen LCD, facilitating high-resolution viewing and flexible composition. Dual card slots compatible with both SD UHS-II and CFexpress Type A cards offer versatile storage options.
As of February 2025, the Sony a7S III is available for purchase at a price of $3,198.00.
Recommended Accessories:
- Sony CFexpress Type A 160GB Memory Card – Ensures fast read/write speeds for high-bitrate 4K video recording.
- SmallRig Camera Cage for A7S III – Adds extra mounting points for accessories like microphones and external monitors.
- Sony NP-FZ100 Rechargeable Battery – Provides extended shooting time for long video sessions.
✅ Pros:
- Exceptional image quality
- dynamic range,
- fully articulating LCD screen,
- dual card slots supporting
- CFexpress Type A and UHS-II SD
❌ Cons:
Weak low-light performance
4K HDMI output disables SDI output
USB-C webcam output lacks full frame rate
Potential overheating during extended high-quality recording,
- 12MP sensor not ideal for photography, no fine-tuned shutter speed adjustments
