Sony announced the FE 400 mm F2.8 GM OSS lens (SEL400F28GM) for E-mount cameras. The lens has a diameter of 158 mm, a length of 359 mm and weighs 2,897 grams. There is a total of 23 elements divided into 17 groups.

Going more specifically, we find 3 fluorite elements and the Nano AR anti-reflection treatment, useful for eliminating unwanted flare, reflections or ghosting. The lens is made of magnesium alloy with a carbon fiber lens hood. The front lens element features a fluorine coating that helps to keep it clean while making it easier to wipe dirt and fingerprints away.

The 11 blades diaphragm while the minimum focusing distance is 2.7 meters. Sony FE 400 mm F2.8 GM OSS lens integrates new XD (extreme dynamic) Linear Motors deliver higher thrust than conventional types. These components operate the focusing group and are managed by algorithms developed specifically to minimize delays, instability and to control noise levels.

The controls on the lens body are numerous and allow you to quickly switch to direct manual focus. Customizable buttons for focus mode and range are also available. The Optical image stabilization offers three modes, including an advanced algorithm that provides optimum stabilization for dynamic sports action while also making framing easier.

Sony FE 400 is equipped with a filter that can be replaced with others, such as the 40.5 mm diameter ND filters and the circular VF-DCPL1 filter. Finally, the objective is compatible with the 1.4x and 2.0x tele-converters, providing high-resolution and contrast even at 800 mm.

Sony FE 400 mm F2.8 GM OSS lens is already up for pre-orders at $11.998 via Amazon and it will be shipped after September 28th, 2018.

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