Zoom Lens from Japan B735. Canon EF 17-35mm F2.8 L USM. Canon EF-S 18-135mm F3.5-5.6 IS USM. The new Nano USM has been added to the Ultrasonic Motor (USM). The lens also inherits the renowned optical system of previous models and employs special optical systems such as aspherical and UD 2 lenses to effectively correct various aberrations and achieve high image quality.
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