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Sony Alpha a7R III Mirrorless Digital Camera (Body Only)
Proving that speed, resolution, and video capabilities can all coexist, the Alpha a7R III Mirrorless Digital Camera from Sony is a versatile, high-performance camera characterized by not only its resolution, but by its multimedia versatility.
Gratis a United States
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patrick (185 )
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- 42.4 MP Exmor R BSI CMOS Sensor and BIONZ X Image Processor
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.
- Fast Hybrid AF System
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.
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- Ubicación de elemento de riesgo
- 45202, Ohio, United States
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- $10.00 USD
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