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Sony Expands its “Full-frame Mirrorless” Line-up with New A7 III
Sony has developed 24.2MP back-illuminated Exmor R CMOS image sensor is paired with a front-end LSI which effectively doubles the readout speed of the image sensor.
Sony introduces entry-level 'Full-frame mirrorless line-up', Sony India today introduced the A7 III (model ILCE-7M3), a versatile camera for all types photography including wedding photography professionals to photography enthusiasts.
New Full-frame 24.2MP Back-Illuminated Exmor R CMOS Image Sensor
The newly developed 24.2MP back-illuminated Exmor R CMOS image sensor is paired with a front-end LSI which effectively doubles the readout speed of the image sensor. The updated BIONZ X processing-engine boosts processing speed by approximately 1.8 times compared to the A7 II. These components work together to allow the camera to shoot at a faster speed
New AF system featuring 693 phase-detection AF points
The new A7 III full-frame mirrorless camera features a level of AF performance that has been largely improved over the A7 II, including the addition of 4D
FOCUS capabilities and features a level of AF performance that has been largely improved over the A7 II. The new camera has 425 contrast AF points that work with a 693-point focal-plane phase-detection AF system inherited from the acclaimed A9 model. This innovative AF system covers approximately 93% of the frame, ensuring reliable focusing and tracking for even the most difficult to capture subjects.
AF response and tracking has also been improved in the new camera, with almost 2x the focusing speed in low-light condition and 2x7 the tracking speed compared to the previous model as a result of the faster image sensor readout. This allows complex and unpredictable motion to be captured with far greater precision and accuracy.
The acclaimed Eye AF feature is also available in the new camera, even in AF-C mode, which is extremely useful for situations where the subject is turning around, looking down or otherwise obstructed. It also works when the A7 III is being used with Sony's A-mount lenses with an optional LA-EA3 adaptor.
Additional improvements in focusing flexibility include the addition of a multi-selector or ‘joystick' for moving focusing points quickly, the addition of touch focusing capability, AF availability in Focus Magnifier mode, an ‘AF On' button and much more.
5-axis optical in-body image stabilization with a 5.0 step shutter speed
The A7 III packs the a high-precision stabilization that uses stabilization unit, gyro sensors and algorithms to achieve a 5.0-step shutter speed advantage in a system that compensates five types of camera shake with a wide range of lenses, and delivers excellent performance.
Continuous Shooting at up to 10 fps with either Mechanical Shutter or Silent Shooting
The new A7 III is equipped with an updated image processing system that allows it to shoot full resolution images at up to 10 fps with continuous, accurate AF/AE tracking for up to 177 Standard JPEG images, 89 compressed RAW images or 40 uncompressed RAW images. This high-speed mode is available with either a mechanical shutter or a completely silent shooting, adding to the immense flexibility of the camera. The camera can also shoot continuously at up to 8 fps in live view mode with minimal lag in the viewfinder or LCD screen.
For added convenience, while large groups of burst images are being written to the memory card, many of the cameras key functions are operable, including access to the ‘Fn' (Function) and ‘Menu' buttons, image playback and several other menus and parameters including image rating and other functions that facilitate on-location image sorting.
Additionally, if there is fluorescent or artificial lighting present in a shooting environment, users can activate the Anti-flicker function to allow the A7 III to automatically detect the frequency of the lighting and time the shutter to minimise its effect on images being captured. This minimises any exposure or colour anomalies that can sometimes occur at the top and bottom of images shot at high shutter speeds
Wide ISO range of 100 - 51200 (expandable to ISO 50 – 204800 for still images)
With an ISO range of 100 - 51200 (expandable to ISO 50 - 204800 for still images) and an overall 1.5-stop improvement in image quality. The camera also features a massive 15-stop2 dynamic range at low sensitivity settings, ensures overall good performance at all settings and in all shooting conditions, with significant advancements inaccurate colour reproductions of skin tones and the vibrant colours of nature.
This new full-frame model can also output 14-bit RAW format even in silent and continuous shooting modes, and is equipped with a 5-axis optical image stabilisation system that results in a 5.0 step5 shutter speed advantage. Approx. 15-stop dynamic range at low-sensitivity settings can be achieved with the new A7 III, thanks to a revamped CMOS sensor and image processor that provide for smooth gradation from shadow to highlight. This gives you greater freedom of creative imaging
The device captures 710 shots per charge
Sony's full-frame camera is equipped with a variety of capabilities that were first implemented in the A9 and then again in the A7R III. These include dual media slots, with support in one slot for UHS-II type SD memory cards. These include dual media slots, with support in one slot for UHS-II type SD memory cards. Users have a variety of options for storing their content in each of the cards; including separate JPEG / RAW recording, separate still image / movie recording, and relay recording and more. Battery life has been greatly extended as well - with a CIPA measurement of up to 710 shots per charge8, it offers the world's longest7 battery life of any Mirrorless camera, as the new camera utilizes Sony's Z series battery NP-FZ100 that offers approximately 2.2 times the capacity of the W series battery NP-FW50 utilized in the A7 II.
The new camera features "My Menu" functionality which allows up to 30 menu items to be registered for instant recall when needed. Users can also apply star ratings to their still images through the camera controls for easier image playback and review, and edit the first three characters of all still image files. Additionally, there are a total of 81 functions that are assignable to 11 custom buttons, and the camera is both dust and moisture resistant.
The A7 III features high-resolution, high-contrast, fast-start XGA OLED Tru-FinderTM with approximately 2.3 million dots for extremely accurate, true-to-life detail reproduction. "Standard" or "High" display quality settings are also available for both the viewfinder and monitor as well. It is also capable of seamlessly transferring files to a smartphone, tablet, and computer or FTP server via Wi-Fi, while also offering a SuperSpeed USB (USB 3.1 Gen 1) USB Type-C Terminal for increased flexibility in power supply and faster image transfer speed during tethered shooting.
The A7 III model also comes with Sony's new software suite "Imaging Edge", which extends the creative capabilities of the entire shooting process - from pre-processing to post-processing. "Imaging Edge" provides three PC applications called ‘Remote', ‘Viewer' and ‘Edit', available for free download, which support live-view PC remote shooting and RAW development. In the latest Version 1.1, several improvements have been implemented including about 10% faster data transfer speed for remote shooting from PC (PC tether shooting) and approximately 65% improvement in the response speed for RAW image editing.