Sony A1 II

The Sony Alpha 1 II is a full-frame mirrorless camera with a 50.1-megapixel CMOS sensor, 8K UHD video recording, 30 frames per second continuous shooting, 759 autofocus points, and 8.5 stops of in-body image stabilisation — built for professional photographers who want speed, resolution and video capability in a single body.

Key Specifications

• Sensor: 50.1MP full-frame CMOS, 35.9 × 24.0 mm, ISO 100–32,000 (extended to 102,400)
• Autofocus: 759-point phase-detect AF with AI-based subject recognition and human pose estimation
• Continuous shooting: Up to 30fps at full 50.1MP resolution
• Video: 8K UHD (7680 × 4320) up to 30fps; 4K up to 120fps; codecs include XAVC HS (H.265) and XAVC S (H.264)
• In-body stabilisation: 8.5 stops with the updated IBIS unit
• Viewfinder: 9.44M-dot electronic viewfinder, 0.90× magnification, 100% coverage
• Display: 3.2-inch articulating touchscreen, approx. 2.09M dots
• Storage: Dual slots — CFexpress Type A + UHS-II SD card
• Shutter: Electronic shutter up to 1/32,000s; flash sync at 1/400s; rated to 500,000 actuations
• Connectivity: USB-C, full-size HDMI (Type A) with clean output, headphone jack, microphone jack, Wi-Fi, Bluetooth
• Body: Magnesium alloy, weather-sealed, 743g
• Battery: NP-FZ100 (approx. 420 shots per charge), USB-C charging supported

What makes the Sony A1 II special?

The Sony Alpha 1 II sits at the very top of Sony's mirrorless lineup by refusing to make the usual trade-offs. Most cameras make you choose: resolution or speed, stills or video. The A1 II does all of it simultaneously at a level that few bodies can match.

The headline upgrade over the original Sony A1 is the autofocus system. The A1 II adds a dedicated AI processing unit that runs alongside the BIONZ XR processor, handling subject recognition independently so the main processor stays free for image data. The result is noticeably more reliable tracking on complex subjects — birds in erratic flight, athletes in crowded frames, subjects partially obscured by obstacles. Human pose estimation means the camera can lock onto a person even when the face is hidden.

The IBIS improvement is equally significant. The original A1 offered around 5.5 stops of stabilisation; the A1 II delivers 8.5 stops. That's a practical difference you feel when shooting handheld in dim light at 50 megapixels, where every tiny shake gets magnified.

The articulating LCD is a new addition — the original A1 had a tilting screen only. For video shooters and anyone who works from low or high angles regularly, this matters significantly.