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The a7R III Mirrorless Camera from Sony
is a versatile, high-performance camera characterized by not only its
resolution, but by its multimedia versatility. Revolving around a
full-frame 42.4MP Exmor R BSI CMOS sensor and updated BIONZ X image
processor, the a7R III affords an impressive 10 fps continuous shooting
rate along with improved autofocus performance for faster, more reliable
subject tracking along with wide frame coverage. This updated Fast
Hybrid AF System employs a combination of 399 phase-detection points and
425 contrast-detection areas for quicker acquirement of focus in a
variety of lighting conditions, and also maintains focus on subjects
more effectively. In addition to speed and AF, the processing
improvements also help to realize greater image clarity throughout the
sensitivity range from ISO 100-32000, which can further be expanded to
ISO 50-102400. Video recording capabilities have also been extended for
enhanced quality when recording UHD 4K video with the full width of the
full-frame sensor, or when using a Super35 area and 5K oversampling to
minimize moiré and aliasing. Additionally, benefitting both stills and
video operation, the a7R III retains the 5-axis SteadyShot INSIDE
sensor-shift image stabilization, which is now effective to minimize the
appearance of camera shake by up to 5.5 stops.
In addition to
imaging updates, the a7R III also sports a revised body design, which
includes a 3.69m-dot Tru-Finder OLED electronic viewfinder for bright,
clear, and realistic eye-level monitoring. A rear 3.0" 1.44m-dot tilting
touchscreen LCD is also available for intuitive settings control and to
better support working from high and low angles. For greater shooting
flexibility, dual SD memory card slots are now featured, and a larger
NP-FZ100 battery is also employed to achieve up to approximately 530
shots per charge when using the viewfinder. Suiting the camera's use in
trying conditions, the magnesium alloy chassis and extensive
weather-sealing also render the a7R III dust- and moisture-resistance
Featuring a back-illuminated design, the full-frame 42.4-megapixel Exmor
R CMOS sensor works with the BIONZ X image processor to offer
high-resolution stills and video while minimizing noise and improving
speed. This sensor structure works with gapless on-chip lens design and
an anti-reflection coating, as well as eliminating the optical low-pass
filter, to improve light collection and enhance detail. Also, the copper
wiring layer dramatically improves data transmission speed for creating
14-bit, high-resolution 42.4-megapixel stills with a native sensitivity
range from ISO 100-32000, which can be further expanded to ISO
50-102400. Also, it enables internal UHD 4K video recording with a wide
dynamic range using the full width of the full-frame sensor. The BIONZ X
processor also works in conjunction with a high-speed front-end LSI to
realize faster processing times along with the ability to capture an
impressive 15-stop dynamic range at low sensitivity values.
The
sensor and processor combination also avails fast continuous shooting
at up to 10 fps at full resolution, for up to 76 consecutive frames, and
with full-time AF/AE when working with either a mechanical shutter or
an electronic shutter. If shooting in live view mode, a continuous
shooting rate of up to 8 fps is also possible. An evolved 4D FOCUS
system now employs a combination of 399 phase-detection points, which
cover approximately 68% of the frame, along with 425 contrast-detection
areas for reliable and quick autofocus and subject tracking performance.
This Fast Hybrid AF System now achieves twice the focusing speed and
more reliable tracking compared to previous a7R models, as well as
improved low-light focusing response down to -3 EV. The use of
phase-detection points also enables the use of A-mount lenses via the
optional LA-EA3 or LA-EA1 lens mount adapters with full continuous AF/AE
tracking compatibility. The apt focus system also
lends itself to a variety of focusing functions for refined accuracy,
including Lock-on AF, which maintains focus on moving subjects
throughout the use of a configurable frame that is set over the desired
moving subject, and Expand Flexible Spot, which employs neighboring
focus points to retain focus on moving subjects even if the originally
selected point loses focus. Additionally, Eye AF can be used to base
focus on recognized subjects' eyes for portraits and is available in
both AF-S and AF-C modes. Autofocus can also be used in conjunction with
the Focus Magnifier function for critical focus when homing in on
minute subject details. The rear touchscreen can also be used for Touch
Focus control, and a Touchpad Focus Control mode lets you use the rear
screen intuitively while keeping your eye to the viewfinder.
For
more personalized control over focus, and benefitting working in either
vertical or horizontal shooting orientation, the AF area can be
switched in orientation to better suit your subject matter. AF tracking
sensitivity can also be customized in five steps to match how a subject
is moving and frequently used focus point settings can be memorized and
recalled with a custom button for faster switching between focus
settings. Packed into the robust a7R III is a 5.5-stop effective 5-axis
SteadyShot INSIDE image stabilization system that compensates for five
different types of camera shake encountered during handheld shooting of
stills and video. This allows users to confidently use any lens, even
adapted lenses, for critical imaging without encountering blur from
camera shake. For long focal lengths, the system will
correct for pitch and yaw adjustments. Macro and high-magnification
imagery, on the other hand, will benefit from the inclusion of
horizontal and vertical shift compensation.
All shooting styles will get
usage out of the roll compensation. All 5 axes of stabilization will
function at all times, even when used with third-party lenses and
adapters or lenses with built-in optical stabilization. Internal
recording of UHD 4K movies is possible in multiple frame rates up to 30
fps and, based on the Super35mm recording area and effective 5K
resolution, oversampling renders greater detail and full pixel readout
is possible, that is void of pixel binning, for higher quality imagery
with reduced moiré and aliasing. Full-frame 4K recording has also been
dramatically improved for improved quality when working at mid to high
sensitivities to permit full use of the entire sensor width. Full HD
1080p recording is also supported in frame rates up to 120 fps, and both
resolutions utilize the 100 Mbps XAVC S format contained within an MP4
wrapper with 4:2:0 sampling. The high-speed, 120 fps recording also
enables 4x and 5x slow-motion movie recording with the frame rate set to
either 30p or 24p. In addition to high-resolution internal recording,
uncompressed HDMI output also enables the use of an optional external
recorder for clean 4K recording with 4:2:2 sampling.
The a7R III also sports a revised body design, which includes a 3.69m-dot Tru-Finder OLED electronic viewfinder for bright, clear, and realistic eye-level monitoring. A rear 3.0" 1.44m-dot tilting touchscreen LCD is also available for intuitive settings control and to better support working from high and low angles. For greater shooting flexibility, dual SD memory card slots are now featured, and a larger NP-FZ100 battery is also employed to achieve up to approximately 530 shots per charge when using the viewfinder. Suiting the camera's use in trying conditions, the magnesium alloy chassis and extensive weather-sealing also render the a7R III dust- and moisture-resistance
Featuring a back-illuminated design, the full-frame 42.4-megapixel Exmor R CMOS sensor works with the BIONZ X image processor to offer high-resolution stills and video while minimizing noise and improving speed. This sensor structure works with gapless on-chip lens design and an anti-reflection coating, as well as eliminating the optical low-pass filter, to improve light collection and enhance detail. Also, the copper wiring layer dramatically improves data transmission speed for creating 14-bit, high-resolution 42.4-megapixel stills with a native sensitivity range from ISO 100-32000, which can be further expanded to ISO 50-102400. Also, it enables internal UHD 4K video recording with a wide dynamic range using the full width of the full-frame sensor. The BIONZ X processor also works in conjunction with a high-speed front-end LSI to realize faster processing times along with the ability to capture an impressive 15-stop dynamic range at low sensitivity values.
The sensor and processor combination also avails fast continuous shooting at up to 10 fps at full resolution, for up to 76 consecutive frames, and with full-time AF/AE when working with either a mechanical shutter or an electronic shutter. If shooting in live view mode, a continuous shooting rate of up to 8 fps is also possible. An evolved 4D FOCUS system now employs a combination of 399 phase-detection points, which cover approximately 68% of the frame, along with 425 contrast-detection areas for reliable and quick autofocus and subject tracking performance. This Fast Hybrid AF System now achieves twice the focusing speed and more reliable tracking compared to previous a7R models, as well as improved low-light focusing response down to -3 EV. The use of phase-detection points also enables the use of A-mount lenses via the optional LA-EA3 or LA-EA1 lens mount adapters with full continuous AF/AE tracking compatibility. The apt focus system also lends itself to a variety of focusing functions for refined accuracy, including Lock-on AF, which maintains focus on moving subjects throughout the use of a configurable frame that is set over the desired moving subject, and Expand Flexible Spot, which employs neighboring focus points to retain focus on moving subjects even if the originally selected point loses focus. Additionally, Eye AF can be used to base focus on recognized subjects' eyes for portraits and is available in both AF-S and AF-C modes. Autofocus can also be used in conjunction with the Focus Magnifier function for critical focus when homing in on minute subject details. The rear touchscreen can also be used for Touch Focus control, and a Touchpad Focus Control mode lets you use the rear screen intuitively while keeping your eye to the viewfinder.
For more personalized control over focus, and benefitting working in either vertical or horizontal shooting orientation, the AF area can be switched in orientation to better suit your subject matter. AF tracking sensitivity can also be customized in five steps to match how a subject is moving and frequently used focus point settings can be memorized and recalled with a custom button for faster switching between focus settings. Packed into the robust a7R III is a 5.5-stop effective 5-axis SteadyShot INSIDE image stabilization system that compensates for five different types of camera shake encountered during handheld shooting of stills and video. This allows users to confidently use any lens, even adapted lenses, for critical imaging without encountering blur from camera shake. For long focal lengths, the system will correct for pitch and yaw adjustments. Macro and high-magnification imagery, on the other hand, will benefit from the inclusion of horizontal and vertical shift compensation. All shooting styles will get usage out of the roll compensation. All 5 axes of stabilization will function at all times, even when used with third-party lenses and adapters or lenses with built-in optical stabilization. Internal recording of UHD 4K movies is possible in multiple frame rates up to 30 fps and, based on the Super35mm recording area and effective 5K resolution, oversampling renders greater detail and full pixel readout is possible, that is void of pixel binning, for higher quality imagery with reduced moiré and aliasing. Full-frame 4K recording has also been dramatically improved for improved quality when working at mid to high sensitivities to permit full use of the entire sensor width. Full HD 1080p recording is also supported in frame rates up to 120 fps, and both resolutions utilize the 100 Mbps XAVC S format contained within an MP4 wrapper with 4:2:0 sampling. The high-speed, 120 fps recording also enables 4x and 5x slow-motion movie recording with the frame rate set to either 30p or 24p. In addition to high-resolution internal recording, uncompressed HDMI output also enables the use of an optional external recorder for clean 4K recording with 4:2:2 sampling.
