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Defocus Smoothing Coating

01 Feb 2022
Canon's new coating technology offering a soft and unique defocus rendering effect

Fluorite

01 Feb 2022
Fluorite produces clear, detailed image delineation, unrivaled by conventional optical glass

SWC

01 Feb 2022
SWC is a technological breakthrough that expands the limits of anti-reflective film coatings

BR Lens

01 Feb 2022
Canon has developed BR optics, delivering anomalous dispersion characteristics equal to or surpassing fluorite.

UD Lenses

01 Dec 2019
To extend ideal performance to an ever-wider range of camera lenses, Canon embarked on the development of an optical glass with characteristics similar to fluorite.

Aspherical Lenses

01 Dec 2019
With aspherical lenses, the visible world is revealed in sharpened detail, as if a veil had been removed.

DO Lens

01 Dec 2019
The 3rd Generation DO Lens：Gapless dual-layered diffractive optical elements In September 2014, Canon announced the EF 400mm f/4 DO IS II USM compact super telephoto ...

ASC

01 Dec 2019
Air Sphere Coating is a lens coating technology developed to enhance the anti-reflective properties of photographic lenses

Super Spectra Coating

01 Dec 2019
This multi-layered coating eliminated ghosting and flare caused by lens surface reflections, creating a durable hard lens surface with stable characteristics

Ring-type USM

01 Dec 2019
Canon was the first in the world to successfully employ an Ultrasonic Motor (USM) as an in-lens motor

Fluorine Coating

01 Dec 2019
Fluorine coating, when applied on top of the anti-reflective coating on the lens surface, makes it easy to remove dirt