Shulou(Shulou.com)11/24 Report--

Thanks to the independent photographer of CTOnews.com, Hippophae rhamnoides, Daniel Wu in South China, and the clues of turnip peel! CTOnews.com October 11 news, Canon announced the launch of a new RF10-20mm F4 L IS STM lens, which is expected to go on sale in late October.

This is an ultra-wide-angle zoom lens. Compared with the EF 11-24mm f / 4L USM, the RF10-20mm F4 L IS STM is smaller and lighter and weighs about half as much.

The diagonal viewing angle of the focal length of the 10mm is about 130 °, and the coverage area of the 14mm is about 2 times that of the 14mm. When used with an APS-C frame model, it is equivalent to a 16-32mm focal angle and is a classic focal length of a wide-angle zoom lens.

The lens adopts 12 groups of 16 optical structures, including 1 UD aspheric lens, 2 UD lenses, 2 aspheric lenses, 1 super UD lens, and uses SWC subwavelength structure coating (2 sides) and ASC coating (2 sides) to effectively suppress glare and ghosts in wide-angle lenses.

The lens supports level 5 anti-shake, uses a circular aperture of 9 blades, and has a maximum aperture of constant F4, with a nearest focusing distance of about 25 cm. In addition, the new product introduces peripheral coordination control in the RF lens for the first time, using cooperative anti-shake with models that support anti-shaking of the fuselage, which can more effectively compensate for the peripheral jitter that was difficult to compensate before.

Canon RF10-20mm F4 L IS STM lens is also equipped with guide screw STM stepper motor, lens operating ring, switch and other movable parts are equipped with waterproof drip dust-proof structure, and the front lens uses anti-fouling fluorine coating. CTOnews.com with specification sheet and MTF diagram:

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