Sony releases full-frame mirrorless Alpha 7S III: Optimized 4K video shooting experience, priced at 23,999 yuan
Sina Digital News On the evening of July 28, Sony Co., Ltd. released its new flagship micro-single Alpha 7S III online, which can shoot up to 4K 120p, 10-bit 4:2:2 color deep video. The S series focuses on high-sensitivity and video shooting. It is a model specially developed for enthusiasts who use mirrorless cameras to record videos. It has been 5 years since the launch of the previous generation S2.
was taken as a main video Mirrorless, Alpha 7S III can achieve 120 frames per second 4K video recording, 10-bit color depth and 4:2:2 color sampling, and has a variety of high-standard video recording modes, such as All-Intra recording and MPEG-H HEVC/H.265 encoding. In addition, through the color gamut setting in the camera, the material shot by Alpha 7S III can be edited together with the video shot by other Sony cameras, simplifying the post-production process of multi-device shooting. In addition, Alpha 7S III also supports the output of up to 4K60p16bit RAW video to external recording equipment via HDMI Type-A cable, making post-production more flexible.
Alpha 7S III is equipped with a A newly developed full-frame back-illuminated Exmor R™ CMOS image sensor with approximately 12.1 megapixels has ultra-high sensitivity and 15+ dynamic range expressiveness. Coupled with the processing power of the BIONZ XR™ image processor, Alpha 7S III has better color reproduction and detail reproduction capabilities. The standard ISO range of the camera is 80-102400 and can be extended to ISO 80-409600 and ISO 40-409600. Color rendering has also been optimized, and portrait photography can obtain better skin tone and highlight expression. Alpha 7S III also improves AWB performance. The new “visible light + infrared sensor” helps the camera achieve more accurate white balance under artificial lighting such as fluorescent lights and LED lights.
In terms of focusing, Alpha 7S III adopts fast hybrid autofocus function for the first time, combining phase detection and contrast detection autofocus functions, which improves the speed, accuracy and smoothness of focusing, and can be accurate in a large range To track the subject. The upgrade of the image processor has also increased the real-time eye focus performance of Alpha 7S III by 30%. Even if the subject’s face looks away, it can be accurately and stably detected. And you only need to tap the subject on the screen to start real-time tracking. When the camera detects the eyes, it will automatically start real-time eye focusing. Seven custom AF switching speeds and five AF tracking sensitivity settings also allow photographers to better control the camera’s autofocus performance.
Faced with the heat problem of video shooting, Sony has also improved the design of the Alpha 7S III body. The newly developed unique heat dissipation structure prevents overheating while maintaining a compact body size. Official data shows that a continuous recording time of one hour or more in 4K 60p 10-bit 4:2:2 format can also effectively reduce overheating.
The anti-shake used to be Sony A7 The weak point of the series, this time Alpha 7S III is equipped with enhanced anti-shake mode for the first time, using 5-axis anti-shake function to enhance the ability of moving video. At the same time, Alpha 7S III is also equipped for the first time with an LCD screen with a variable angle of rollover, which is more convenient for video shooting than the previous flip screen. Alpha 7S III also has a high-strength HDMI Type-A interface. It is also the first Sony Micro-Single™ to support USB PD fast charging. It can provide a higher-power external power supply that allows users to quickly Charge to extend shooting time.
In terms of operation, Alpha 7S III is improved The list structure of the menu has changed from the previous left and right lists to the more common up and down lists, and the navigation preview is more convenient. For users who need to take photos and videos at the same time, the menu can also be set individually, so that you can quickly switch between the two. At the same time, it also provides movie auxiliary functions for professional users, including a redesigned display interface, which can display a red recording frame during video recording, custom zoom settings, adjustable white balance during recording, display rotation, interval recording, in the video Capture photos in the media, etc.
In addition to video, Alpha 7S III also has excellent photo shooting capabilities, built-in 759-point phase detection autofocus sensor fast hybrid autofocus system, covering 92% of the viewfinder, low light autofocus ability To -6EV. In the live view mode, you can continuously shoot 10fps images with mechanical or electronic shutter, and you can shoot up to 1000+ uncompressed RAW images. Alpha 7S III is also equipped with a 9.44 million-dot Quad-XGA electronic viewfinder, with a high-definition OLED display and optical components, which can provide 0.90x magnification. It is currently the highest resolution electronic viewfinder among mirrorless cameras.
Alpha 7S III adopts dual card slot design, yes Sony’s first camera with two CFexpress Type A memory card slots, and also supports UHS-I and UHS-II SDXC/SDHC memory cards. CFexpress Type A memory card has better compatibility and faster writing speed. Using a CFexpress Type A memory card, the data transfer speed to the computer is about 1.7 times that of a normal SD memory card.
was released together with Alpha 7S III, as well as the first TOUGH rugged 80GB and 160GB CFexpress Type A memory card with high speed, durability and reliability. It has a write capacity of 700MB/s. Input speed and 800MB/s reading speed, and in a small and compact design and advanced performance. The matching CFexpress Type A/SD memory card reader MRW-G2 supports reading CFexpress Type A and SDXC/SDHC memory cards, and provides Super Speed USB 10Gbps transmission speed through the USB Type-C interface.
Alpha 7S III is priced at 23,999 yuan , 80GB and 160GB CFexpress Type A memory cards are priced at 2199 yuan and 4199 yuan, respectively. The CFexpress Type A/SD memory card reader is priced at 1,399 yuan, and the three products will be launched simultaneously in late September.
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