Sony α7R III - Misplaced Pages

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Sony α7R III
Overview

Maker	Sony
Lens
Lens mount	Sony E-mount
Sensor/medium
Sensor type	BSI-CMOS
Sensor size	35.9 × 24 mm (Full frame type)
Maximum resolution	7952 × 5304 (42 megapixels)
Film speed	ISO 100–32000 (expandable to ISO 50–102400) (still images); ISO 100–12800 (movies)
Recording medium	SD, SDHC, or SDXC memory card
Focusing
Focus areas	425 focus points
Flash
Flash	no
Shutter
Shutter speeds	1/8000 s to 30 s, BULB
Continuous shooting	10 frames per second
Viewfinder
Viewfinder	EVF(Electronic View Finder)
Viewfinder magnification	0.78
Frame coverage	100%
Image processing
Image processor	BIONZ X
White balance	Yes
General
Video recording	4K video up to 30 fps
LCD screen	76 mm (3 in) with 1,440,000 dots
Dimensions	127 by 96 by 74 mm (5.0 by 3.8 by 2.9 in)
Weight	657 g including battery
Made in	China
Chronology
Replaced	Sony α7R II
Successor	Sony α7R IV

The Sony α7R III (model ILCE-7RM3) is a full-frame mirrorless interchangeable-lens camera manufactured by Sony. It was announced on 25 October 2017 as the successor to the Sony α7R II launched two years prior. The camera shares many features with the α7R II, including the same 42.2 MP resolution for still photography. It was superseded by the Sony α7R IV in July 2019.

The camera does not include an optical low-pass (anti-aliasing) filter.

Improvements over α7R II

Several improvements were made compared to the α7R II, including the following:

Improved dynamic range due to lower noise in sensor readout
425 contrast-detect autofocus points, up from 25 in the α7R II
Altered button layout reminiscent of the α9
Improved autofocus performance
Improved battery life due to larger battery
Dual SD card slots, compared to a single slot in the α7R II. However, the slots do not exactly match. One is an SD slot (UHS-I/II compliant), the other is a dual SD (UHS-I compliant) and Sony Memory Stick Duo slot.
Improved shutter mechanism to reduce shutter-induced shake
Pixel shift multi-shot mode that combines exposures taken on each subpixel of the Bayer filter, improving overall image quality