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Canon RF 70-200mm f/2.8L IS - High Quality But at a Price
Better Photography|September 2020
Canon RF 70-200mm f/2.8L IS - High Quality But at a Price
A 70-200mm f/2.8 lens is a must have for any professional or serious amateur photographer and often among the most frequently used one. Shridhar Kunte reports on the latest Canon RF 70–200mm f/2.8L IS lens.
Shridhar Kunte

The Canon RF 70–200mm f/2.8 L IS USM is the company’s first professional grade telephoto zoom for its full-frame mirrorless camera systems, currently headlined by the EOS R5 and R6. Rumours surrounding the lens began in the early part of 2019 and was officially announced in October of the same year. By the looks of it, the lens comes with great optics for those who are involved in wedding, street photography, travel, environmental portraiture or even video.

Features

The lens is the first serious professional grade zoom lens that offers a very common and versatile focal length at a fast and constant aperture of f/2.8. The lens can focus as close as 70cm and has a magnification ratio of 0.23x that is close to 1:5. The lens has nine aperture blades that translates into pleasing bokeh. For focusing, it has a dual Nano USM system that employs both a ring type USM and STM mechanism to achieve quick and accurate focusing that is smooth and nearly silent to suit both stills and video applications. This focusing system also affords full-time manual focus control when working in the one-shot AF mode.

The lens is constructed using 17 elements that are arranged in 13 groups. There are four noteworthy elements, two of which are aspherical and two are Ultra-Low Dispersion. The UD elements help to minimise chromatic aberrations and colour fringing to provide greater clarity and colour accuracy. The aspherical elements are used to correct spherical aberrations and distortion for improved sharpness and accurate rendering. Additionally, the elements are coated with Air Sphere Coating that reduces backlit flaring and ghosting for maintained light transmission and high contrast in strong lighting conditions. The front and rear element is applied with fluorine coating to protect it against fingerprints and smudges. In front of the focus ring, there is a configurable Control Ring that lets you adjust exposure settings, including ISO, aperture, and exposure compensation from the lens itself. As the elite member of the L-series, the lens has a weather-resistant design that protects against dust and moisture.

SPECIFICATIONS

Model name Canon RF 70-200mm F/2.8L IS USM

MRP Rs. 2,16,995

Lens construction 17 Elements in 13 Groups

Closest focusing distance 0.7 m

Max. magnification 0.23x

Diaphragm blades 9

Max. aperture f/2.8

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September 2020