Sources say Canon is testing the RF 300mm F2.8 "Xiaobai Cannon", which will be released next year.

CTOnews.com August 22 news, according to foreign media news, Canon RF bayonet 300mm F2.8 L IS USM lens has entered the testing phase, is expected to be launched in the first half of 2023.

▲ Canon EF card 300mm F2.8

Canon's new RF 300mm F2.8 L IS USM "Little White Gun" is lighter and shorter than the EF, with 40% lighter weight and 30% shorter length than the SLR version, the source said.

CTOnews.com has reported that last year Canon released two Canon L-class red circle lenses, the RF400mm F2.8 L IS USM and the RF600mm F4 L IS USM. The optical design of 13 groups of 17 lenses is adopted, including 2 fluorite lenses and 1 super UD (ultra low dispersion) lens. According to officials, in conjunction with the RF system, the camera jitter correction control has been optimized to achieve level 5.5 optical anti-shake. The nearest focusing distance and maximum magnification of RF400mm F2.8 L IS USM and RF600mm F4 L IS USM are about 2.5m and 0.17m, and 4.2m and 0.15x, respectively.

▲ RF400mm F2.8 L IS USM (left) and RF600mm F4 L IS USM (right)

On Canon's website, RF400mm F2.8 L IS USM sells for 89999 yuan and RF600mm F4 L IS USM sells for 99999 yuan.