Sony a1 Overview

Announced Jan 26, 2021 •
50 megapixels | 3 screen | Full frame sensor
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Reviewed Feb 11, 2021
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Product description
Announced Jan 26, 2021

The Sony Alpha 1 (a1) is a high-end full-frame mirrorless camera with a 50MP Stacked BSI-CMOS sensor and in-body image stabilization. The a1 offers blackout-free shooting on its giant 9.44M-dot (240 fps) EVF at burst rates of up to 30 fps. It has Sony's latest autofocus system, with fast processing and face/eye/animal detection. The electronic shutter is designed to eliminate flicker and offers a flash sync of 1/200 sec (it's an impressive 1/400 sec with the mechanical shutter).

A 'Pixel Shift Multi Shooting' mode combines 16 exposures into a 199MP image, which must be processed on a PC. Speaking of which, the camera can be controlled over dual band Wi-Fi, or tethered to a PC via USB or Ethernet. In addition to supporting the standard HEIF format, Sony has added a 'Light HIEF/JPEG' option for smaller file sizes.

The a1 captures oversampled 8K/30p at a bit rate of 400Mbps as well as oversampled 4K at up to 120 fps. The camera can record 10-bit 4:2:2 video, and supports S-Cinetone, S-Log2/3, and HLG Log formats. 16-bit Raw recording to compatible external recorders is also available. The a1's body is designed to allow 30 minutes of continuous 8K recording.

The a1 uses the NP-FZ100 battery with up to 530 shots/charge with the LCD and 430 with the EVF. A battery grip is optional.

Quick specs
Body type SLR-style mirrorless
Max resolution 8640 x 5760
Effective pixels 50 megapixels
Sensor size Full frame (35.9 x 24 mm)
Sensor type BSI-CMOS
ISO Auto, 100-32000 (expands to 50-102400)
Lens mount Sony E
Focal length mult. 1×
Articulated LCD Tilting
Screen size 3
Screen dots 1,440,000
Max shutter speed 1/8000 sec
Format XAVC S, XAVC HS, XAVC S-I, H.264, H.265
Storage types Dual SD/CFexpress Type A slots (UHS-II supported)
USB USB 3.2 Gen 2 (10 GBit/sec)
Weight (inc. batteries) 737 g (1.62 lb / 26.00 oz)
Dimensions 129 x 97 x 81 mm (5.08 x 3.82 x 3.19)
GPS None

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Sony a1 sample gallery (DPReview TV)
46 images • Posted on Feb 6, 2021 • View gallery
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Sony a1 sample gallery
128 images • Posted on Feb 4, 2021 • View gallery
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