Features
Sony A7S IV: The Ultimate Low-Light Visionary
Redefining the Boundary Between Stills and Motion
The Sony A7S IV is not merely an upgrade; it is a reimagining of what a hybrid camera can be. Engineered for the creators who defy limits—the cinematographers who chase the golden hour, the documentarians who film in unforgiving light, and the photographers who see the world in shadows—the A7S IV stands as the most versatile and powerful tool in low-light performance ever created.
Unprecedented Resolution Meets Legendary Sensitivity
At the heart of the A7S IV lies a groundbreaking 30.1-megapixel full-frame sensor. This masterfully engineered chip strikes the perfect balance, delivering the significant resolution demanded by modern photographers while retaining the exquisitely large pixels that define the 'S' series. The result? Stunningly detailed stills and 8K video that maintain the legendary, noise-free performance even when light fades to near darkness.
A New Era of Cinematic Expression
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8K 30p & 6K Oversampled 4K: Capture breathtaking 8K footage with immense detail for future-proof masterpieces. Experience the ultimate 4K quality, oversampled from 6K, for unparalleled sharpness and clarity.
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4K 240p High-Frame-Rate Recording: Create mesmerizing super slow-motion sequences with ultra-smooth 10x slow-motion in 4K, revealing details invisible to the naked eye.
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All-Intra, ProRes RAW & Enhanced Codecs: Enjoy unparalleled editing flexibility with a suite of professional codecs, including internal ProRes RAW recording and high-bitrate XAVC HS options for efficient workflows.
Intelligent Focus. Unerring Accuracy.
Harnessing the power of AI, the A7S IV features Real-time Recognition Autofocus. The camera intelligently tracks human, animal, and bird eyes with tenacious precision, whether you're shooting fast-moving subjects in video or capturing fleeting moments in stills. This is autofocus that not only keeps up but anticipates your creative intent.
Engineered for the Real World
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Advanced Stabilization: A new, state-of-the-art 8-stop 5-axis in-body image stabilization system works in concert with active mode to deliver incredibly stable, gimbal-like footage when shooting handheld.
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Unlimited Recording & Robust Build: A completely redesigned heat-dissipation system allows for unlimited recording times in all resolutions, even in challenging environments. The durable, magnesium-alloy body is fully weather-sealed to withstand the elements.
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Professional Connectivity: A full-size HDMI port ensures a secure connection on professional sets, while dual CFexpress Type A slots handle massive data streams with ease. Enhanced USB-C enables high-quality live streaming and continuous power.
Item Includes
the Sony A7S IV camera is quite a bit more complex than what we have discussed earlier for the Sony A7V. According to the source, the Sony FX3 Mark II camera or the A7S IV will feature a 24-megapixel fully stacked sensor, and the sensor will incorporate dual-layer transistors — a step up in the efficiency of light gathering as well as data processing capability.
The triple base ISO, which is said to start from 800, 4000, and 25600, means it can easily be tagged as a low-light king or night specialist camera, promising superior low-light performance and a good update from the existing Sony A7S III’s ultra-low-light-sensitive 12MP sensor. Specification-wise, the sensor is able to record 6K open gate at 120 frames per second without any significant crop. This allows professional videographers to capture highly detailed data without any lag or crop.
If this information is true, the upcoming Sony A7S IV, FX3 Mark II, and FX6 Mark II cameras will revolutionize filmmaking with their ultra-high-speed 24MP sensors and amazing low-light performance. The Sony FX3 series as well as the A7S series have always remained a popular choice among filmmakers, and if the above specs are true, they will continue to dominate.
Sony A7 V – Sony A7S IV Release Timeline
The source mentions the release of the Sony cameras in late 2025 and early 2026 if they remain on schedule, if their plans remain unchanged. This suggested date aligns with Sony’s refresh cycle, which generally occurs in the fourth quarter of the year.
However, as we have discussed, a lot of camera specifications depend on beta testers’ reports — what they like and what they don’t like — so everything gets fine-tuned in the final production line version of the camera.
Sony A7V versus Sony FX3 Mark II / Sony A7S IV versus competitors – a quick specification comparison table based on the rumored information we have
To visualize the rumored advancements, here’s a professional comparison table pitting the leaks against benchmarks like the Nikon Z8:
| Feature |
Sony A7V (Rumored) |
Sony FX3II/A7S IV (Rumored) |
Current Competitors (e.g., Nikon Z8) |
| Sensor |
44MP stacked (modified Z8/Z9-like) or new prototype; faster than A7IV |
24MP fully stacked w/ 2-layer transistors; triple ISO (800/4000/25600) |
45.7MP stacked CMOS |
| Video |
Not specified in leak |
6K open gate 120fps no crop; 4K 120fps oversampled |
8K 60fps, 4K 120fps |
| Key Strengths |
Affordable high-res, prototypes for flexibility |
Night/low-light specialist, cinema-grade |
High-speed readout, no blackout |
| Release |
Late 2025 or early 2026 |
Late 2025 or early 2026 |
Already available |
| Price Speculation |
Slightly cheaper than exclusives |
Not specified |
~$4,000 |
Final thoughts about Sony A7V and Sony A7S IV/FX3II rumors
We have decided to put the insider information directly in our post without altering it, to make everything as transparent as possible for you. At the same time, we have also added our analysis on what we think about this set of information. Stay tuned to TheNewCamera.com for more information related to upcoming cameras and lenses.
Hypothetical Sony A7S IV - Specifications Sheet
IMAGING
Sensor: Newly developed 30.1 MP Full-Frame (35.6 x 23.8 mm) Back-Illuminated Exmor R CMOS Sensor.
Processor: Latest BIONZ XR + AI Processing Unit.
Low-Pass Filter: No (to maximize resolution and sharpness).
AUTOFOCUS
AF System: Fast Hybrid AF (Phase-Detection / Contrast-Detection).
AF Points: 759-point phase-detection coverage over ~94% of the frame.
AI Subject Detection: Real-time Tracking for Humans, Animals, Birds, Insects, Cars, and Airplanes. Applicable to both video and stills.
Low-Light AF Sensitivity: -6.5 EV or lower.
VIDEO RECORDING (HIGHLIGHTS)
8K Video: 8K/30p (full-width) and 8K/60p (with a slight crop) recording in XAVC HS.
4K Video: High-quality 4K/120p (oversampled from 6K) and 4K/60p/30p.
Slow Motion: 4K/240p (with a crop), 1080p/480p.
Codecs: XAVC HS, XAVC S, XAVC S-I. Internal ProRes RAW/HQ & ProRes 422.
External Recording: 16-bit RAW output via full-size HDMI.
Color Sampling: 10-bit 4:2:2 internal, 4:2:2 external.
Color Profiles: S-Gamut3.Cine / S-Log3, S-Gamut3 / S-Log3, HLG, and new creative looks.
IMAGE STABILIZATION
System: 5-axis sensor-shift image stabilization.
Rating: Up to 8 stops of shutter speed compensation (CIPA standard).
Active Mode: Enhanced digital stabilization for handheld video.
BODY & DISPLAY
LCD: 3.2-inch 4-axis multi-angle tilting touchscreen LCD (2.36M-dots or upgraded to 4.44M-dots).
Viewfinder: 9.44M-dot Quad-XGA OLED electronic viewfinder with 120fps refresh rate.
Build: Magnesium alloy chassis, weather-sealed against dust and moisture.
CONNECTIVITY & INTERFACE
Card Slots: Dual CFexpress Type A / SD UHS-II compatible slots.
HDMI: Full-size HDMI Type-A port.
USB: USB 3.2 Gen 2 (Type-C) with power delivery and live streaming capability.
Other: 3.5mm Microphone Jack, 3.5mm Headphone Jack, Multi/Micro USB, Ethernet (possible), Wi-Fi 6E, Bluetooth 5.2.
PERFORMANCE
Max Shot Buffer: 800+ JPEG / RAW images at 10 fps.
Shutter Speeds: Electronic Shutter only (as per A7S series tradition).
Continuous Shooting: Up to 10 fps with AF/AE tracking.
