Canon has released a flagship zoom lens “RF100-300mm” as a new product of large-aperture telephoto zoom “RF lens” of the “EOS R system.” This new lens covers a wide range of focal lengths and the brightness of the open aperture value F2.8. F2.8 L IS USM” will be released in late May 2023. The suggested retail price of the Canon official online shop is 1,504,800 yen including tax.
At just 2,590g, this lens is the lightest among F2.8 zoom lenses with a focal length of 300mm and is compatible with full-size CMOS sensors, and it is said to offer excellent mobility. In addition, it is possible to take advantage of the brightness of F2.8 throughout the entire zoom range, and in situations such as indoor sports where the amount of light tends to be insufficient, it is possible to clearly capture the movement of the subject with a lower sensitivity and a faster shutter speed. It is now possible to realize portrait photography with rich expressiveness by taking advantage of the beautiful bokeh and the compression effect of the telephoto lens.
23 elements in 18 groups, including 1 fluorite lens, 4 UD lenses, and 1 glass molded aspherical lens, making use of the large aperture and short back focus that are the features of the RF mount. optical design. By reducing various aberrations that cause image quality deterioration, it is possible to achieve image quality approaching that of a single focus L lens despite being a zoom lens. In addition, high image quality is achieved even when the optional extender is attached, and excellent descriptive performance can be demonstrated in a wide range of areas.
This lens employs electronic floating focus control in which the focus lens group and floating lens group are individually driven by two nano USMs (ultrasonic motors) for optimal control. In addition to achieving excellent descriptive performance in all zoom ranges and shooting distances, it is possible to realize high-speed, high-precision AF when shooting still images and AF that smoothly follows the movement of the subject when shooting movies.