Sony Unveils RX1R III A Groundbreaking Return of the Compact Full Frame Powerhouse
Sony has officially announced the RX1R III, marking the triumphant return of its premium compact full frame camera series after nearly a decade. First introduced in 2012, the RX1 series became legendary for fitting a full frame sensor and a high quality fixed lens into a truly pocket sized body. The RX1R III revives that legacy with cutting edge imaging technology, a refined design, and powerful AI features inspired by Sony’s Alpha series mirrorless cameras.
The RX1R III is equipped with a 61 megapixel back illuminated Exmor R CMOS sensor, the same sensor found in the Sony A7R V. It delivers exceptional resolution, impressive low light performance, and a dynamic range of up to 15 stops. Paired with Sony’s latest BIONZ XR image processor, the camera offers faster speed, reduced rolling shutter, richer colors, and higher overall image fidelity.
While maintaining its minimalist and sleek magnesium alloy body, the RX1R III adds important upgrades. These include a new flip up touchscreen, five axis in body image stabilization, and an improved electronic OLED viewfinder with 2.36 million dots of resolution. The camera remains compact enough to fit into a jacket pocket while still providing manual controls and professional durability.
AI Autofocus and Step Zoom Cropping Redefine the Fixed Lens Experience
A major breakthrough in the RX1R III is the inclusion of Sony’s AI autofocus system, a first for the RX series. Leveraging the dedicated AI processing unit from the A7R V, it features real time human pose detection, eye autofocus for both people and animals, and precise subject tracking even in low light or during motion. Autofocus now covers 92 percent of the frame with 759 phase detection and 425 contrast detection points, ensuring rapid and accurate focus at the full 61 megapixel resolution.
The new Step Zoom Crop Mode adds further versatility. It allows users to digitally crop into three focal lengths with high resolution output:
- 35mm at full 61 megapixels
- 50mm at 26 megapixels
- 70mm at 15 megapixels
This unique cropping approach is powered by the sensor’s resolution and internal processing, enabling multiple high quality framing options from the fixed 35mm ZEISS Sonnar T* f2 lens.
4K Video, Enhanced Connectivity, and Creator Friendly Features
The RX1R III supports 10 bit 4:2:2 internal 4K video recording at up to 30 frames per second. It includes S Log3, HLG, and S Cinetone color profiles, catering to hybrid shooters and professional content creators. The camera now includes microphone and headphone ports, USB C charging, WiFi, Bluetooth, and UVC streaming support, turning it into a capable webcam and live streaming tool.
Battery, Accessories, and Pricing
Battery performance sees minor improvements with the use of the Sony NP BX1 battery. Due to its compact size, the camera lacks dual SD card slots. Sony is also releasing accessories including a leather half case, a redesigned grip extension, and a premium stereo microphone.
The RX1R III is expected to launch globally in August 2025, priced at 3999 US dollars.
Conclusion
The Sony RX1R III redefines what a compact premium camera can achieve. With cutting edge autofocus, high resolution imaging, and a portable yet professional build, it speaks directly to street photographers, photojournalists, and creators who want serious quality in a discreet form. At a time when compact cameras are rare, Sony proves there is still innovation and demand in this unique space.