Sony Korea Launches Two Ultra-Telephoto GM Prime Lenses in South Korea
TECHWORLD ·
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Sony Korea announced on the 8th that it will launch two E-mount ultra-telephoto G Master (GM) prime lenses in South Korea.
The products are the SEL400F45GM (FE 400mm F4.5 GM OSS) and SEL600F63GM (FE 600mm F6.3 GM OSS).
The two products feature a lightweight design of under 1 kg as a key characteristic.
Sony Korea announced on the 8th that it will launch two E-mount ultra-telephoto G Master (GM) prime lenses in South Korea. The products are the SEL400F45GM (FE 400mm F4.5 GM OSS) and SEL600F63GM (FE 600mm F6.3 GM OSS). Sony Korea said the two products are ultra-telephoto lenses that also feature a lightweight design of under 1 kg as a key characteristic.
The SEL400F45GM weighs about 994g, and the SEL600F63GM weighs about 995g. Both products have a maximum diameter of about 108mm, with the SEL400F45GM measuring 242mm in length and the SEL600F63GM measuring 263mm. Sony Korea said each product is the world's lightest among full-frame ultra-telephoto prime lenses with the same maximum aperture and focal length.
Sony Korea said it positioned the center of gravity of the two products close to the camera body. As a result, it said operability improves during handheld shooting, including subject tracking and panning.
The optical system uses 3 Super ED lenses and 1 ED lens. This is designed to reduce chromatic aberration and optical aberrations in the ultra-telephoto range while maintaining resolution from the center to the edges of the frame. It also uses an 11-blade circular aperture and optimized spherical aberration to support background blur rendering.
The AF system uses 2 XD (eXtreme Dynamic) linear motors and a lens-specific control algorithm. This enables tracking of fast-moving subjects such as birds, wildlife, and sports. When paired with the Alpha 9 III (A9M3), it also supports continuous shooting at up to 120 fps with AF and AE.
It also applies shake-reduction functions for ultra-telephoto shooting. Both products support optical image stabilization, and can also work with the camera body's Active Mode image stabilization. For video shooting, they support breathing compensation, which reduces changes in angle of view caused by focus shifts, helping improve stability in ultra-telephoto and video shooting.
The two lenses can extend shooting range when used with teleconverters. The focal length of the SEL400F45GM can be extended to up to 800mm, making it useful for sports and wildlife shooting. The SEL600F63GM can be extended to up to 1200mm, making it suitable for long-distance shooting of subjects that are difficult to approach.
The two products are equipped with operational features designed for field shooting. Four focus hold buttons are placed around the lens barrel, and a function ring is supported. They also support full-time DMF, a focus range limiter, a focus mode switch, and an image stabilization mode switch.
Optical design and durability features have also been applied. Nano AR Coating II reduces flare and ghosting in backlit conditions, and a dust- and moisture-resistant design has been applied. The front lens also has a fluorine coating.
A Sony Korea official said the two lenses are products that strengthen mobility along with high image quality and AF performance. The official added that they will be highly useful for professional photographers and advanced amateurs who shoot fast-moving subjects such as sports and wildlife.
Source: TECHWORLD · Kim Seung-gi
Original: https://www.epnc.co.kr/news/articleView.html?idxno=407958
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Source: TECHWORLD
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