Canon ef 35mm lens
Canon EF 35mm f/1.4L USM Lens
Introduction
Canon EF 35mm f/1.4L USM, which was released in late 1998, heralded a new era for Canon's lineup of fast wide angle lenses (this lineup now includes EF 14mm f/2.8L USM, EF 14mm f/2.8L II USM and EF 24mm f/1.4L USM). Priced at about US$1,100 (as of September 2007), the lens is targeted towards professional and enthusiast photographers rather then mainstream consumers.
The optical construction of the lens consists of 11 elements in 9 groups, including a single aspherical element intended to correct spherical aberrations. Like many wide angle lenses, Canon EF 35mm f/1.4L USM features floating element construction which improves picture quality throughout the aperture range. The build quality of the lens is superb, as expected from a professional grade L glass - there's no wobbling inside or out, rubberized focusing ring is smooth and the lens looks and feels very sturdy. The lens offers fast and near silent ring-type USM AF as well as full-time manual focusing system, which can be controlled with an AF/MF switch located on the side of the barrel. Like other modern Canon lenses, EF 35mm f/1.4L USM does not have a dedicated aperture ring and aperture levels have to be set directly from the camera.
Like its other wide angle cousins (EF 14mm f/2.8L USM and EF 24mm f/1.4L USM), Canon EF 35mm f/1.4L USM is a bit 'bulky', measuring 79 x 86mm (3.1 x 3.4in) and weighing 580g (20.5oz). The minimum focusing distance is 30cm, resulting in 1:5.5 maximum object magnification at this distance, the minimum aperture level is f/22 and the filter size is 72mm. The lens sports internal focusing mechanism, so the lens cams do not extend during focusing.
The lens is designed to fit Canon's full-frame EF mount and on APS-C type cameras with 1.6x crop factor the field of view of the lens will resemble that of a 56mm lens on a full-frame body. The lens is compatible with Canon's Extension Tubes EF 12 II and EF 25 II and accepts Gelatin Holder Adapters III and IV. The factory box includes Canon EF 24mm f/1.4L USM lens, front and rear caps, EW-78C petal shaped lens hood, LP1214 soft case, manual and registration card.
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