Product Description
A New Level of Image Quality
The 42.4MP high-resolution, back-illuminated Exmor R CMOS image sensor
utilizes a gapless on-chip lens design and AR (anti-reflective) coating on the
surface of the sensors seal glass to dramatically improve light collection
efficiency, resulting in high sensitivity with low-noise performance and wide
dynamic range.
Sony's new α7R III also features a new front-end LSI that effectively doubles
the readout speed of the image sensor, as well as an updated BIONZ X
processing-engine that boosts processing speed by approximately 1.8 times
compared to the α7R II. These powerful components work together to allow the
camera to shoot at faster speeds while also enabling its impressive ISO range of
100 - 32000 (expandable to ISO 50 " 102400 for still images) and massive 15-stop
dynamic range at low sensitivity settings. This ensures outstanding overall
performance at all settings and in all shooting conditions.
This new full-frame model was built without an optical low pass filter to
maximize resolution, while also having the ability to output 14 bit RAW format
even when shooting in silent or continuous mode. The camera is equipped with an
innovative 5-axis optical image stabilization system that has been fine-tuned to
support its high-resolution shooting capacity, resulting in a 5.5 step shutter
speed advantage, the worlds highest compensation performance for an image
stabilization system. There is also a new low-vibration shutter that reduces
vibration and image blur in all modes, including the high speed 10 fps shooting,
as well as several advancements in accurate color reproductions of skin tones.
Inspiring Maximum Creativity
Welcome to a new world of imaging with resolution, sensitivity, dynamic
range, processing speed, and shooting response further enhanced. The α7R III
packs pro-style operability into a strong, compact body to give you greater
flexibility to take brilliant shots in any situation. With such high power,
precision, and potential at your command, you can capture once-in-a-lifetime
experiences.
Depicting Scenes in Intimate Detail
The image processing system has evolved to deliver high resolution and low
noise throughout a wider ISO range. The camera depicts the mood of every scenes
surroundings as well as texture of details.
a7R IIIA Improvements
Compared to its predecessor the a7R III, the most significant improvement of
the a7R IIIA is the rear LCD resolution, which jumps from 1,440,000 to 2,359,296
dots. The USB port has also been upgraded from a USB 3.1 Gen 1 Type-C Port to a
faster USB 3.2 Gen 1 Type-C Port. Beside these two improvements, the a7R III and
a7R IIIA are equal in specifications and performance.
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