Canon Ultrasonic EF70-200mm f 2.8L IS II USM Instruction Manual

The Canon Ultrasonic EF70-200mm f/2.8L IS II USM Lens is a high-performance telephoto zoom lens designed for professional photographers and serious enthusiasts. It features a constant maximum aperture of f/2.8, allowing for exceptional low-light performance and depth-of-field control across its entire focal length range. The lens incorporates Canon's Image Stabilization (IS) technology, offering up to four stops of correction, which significantly reduces camera shake and enhances handheld shooting capabilities.

With an advanced optical design, the lens includes 23 elements in 19 groups, featuring one fluorite element and five ultra-low dispersion (UD) elements to minimize chromatic aberrations and ensure high image clarity and color fidelity. The lens is equipped with a ring-type Ultrasonic Motor (USM) that enables fast, precise, and virtually silent autofocus, essential for capturing dynamic subjects.

The EF70-200mm f/2.8L IS II USM is part of Canon's prestigious L-series, signifying superior build quality and durability. It is resistant to dust and moisture, making it suitable for challenging environmental conditions. The lens also includes a nine-blade circular aperture, which contributes to beautiful, smooth bokeh.

The lens is compatible with Canon's Extender EF 1.4x III and Extender EF 2x III, providing increased focal length versatility. Designed for use with Canon's full-frame and APS-C DSLR cameras, it delivers a 112-320mm equivalent focal length range on the latter. With its blend of robust construction, cutting-edge optical technology, and versatile performance, the Canon EF70-200mm f/2.8L IS II USM Lens remains a popular choice among professional photographers for sports, wildlife, and portraiture photography.