Canon EF 35mm f/1.4L II USM Lens

Characterized by its unique and advanced optical composition, the Canon EF 35mm f/1.4L II USM is a wide-angle L-series prime featuring a fast f/1.4 maximum aperture to suit working in difficult lighting conditions. Its optical design incorporates a Blue Spectrum Refractive Optics element; a specially developed element that helps to nearly eliminate...

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Characterized by its unique and advanced optical composition, the Canon EF 35mm f/1.4L II USM is a wide-angle L-series prime featuring a fast f/1.4 maximum aperture to suit working in difficult lighting conditions. Its optical design incorporates a Blue Spectrum Refractive Optics element; a specially developed element that helps to nearly eliminate chromatic aberrations and color fringing for notable clarity and color accuracy. In addition to this, an ultra-low dispersion element and two aspherical elements are also featured to further control various aberrations and distortion for great sharpness and resolution. Individual elements also feature a Sub Wavelength Coating to suppress flare and ghosting for high contrast and color fidelity when working in harsh and backlit conditions.

Besides the optical attributes, this lens sports a ring-type USM for quick and quiet autofocus performance and full-time manual focus override. Its durable physical construction is dust- and moisture-sealed, and a fluorine coating has been added to the exposed elements to guard against fingerprints and smudging.

Wide-angle 35mm lens is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 56mm equivalent focal length.
Fast f/1.4 maximum aperture benefits working in low-light conditions and also affords significant control over depth of field for working with selective focus techniques.
The Blue Spectrum Refractive Optics element virtually eliminates color fringing and chromatic aberrations by refracting shorter wavelengths of the visible spectrum (blue light).
A pair of aspherical elements and one UD element also help to control aberrations and distortions for sharper, clearer image quality.
A Sub Wavelength Coating has been applied to individual elements to control lens flare and ghosting for greater contrast and color fidelity when working in strong lighting conditions.
A ring-type Ultrasonic Motor (USM) is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
As a member of the esteemed L-series, this lens is sealed against dust and moisture for working in inclement environmental conditions.
Fluorine-coating on exposed elements affords protection to the optical system, resists smudging and fingerprints, and is easier to clean.
Rounded nine-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
Performance
Focal Length 35mm
Aperture Maximum: f/1.4
Minimum: f/22
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Angle of View 63°
Minimum Focus Distance 11.02" (28 cm)
Magnification 0.21x
Maximum Reproduction Ratio 1:4.76
Optical Design 14 Elements in 11 Groups
Diaphragm Blades 9, Rounded
Features
Autofocus Yes
Physical
Filter Thread Front: 72 mm
Dimensions (DxL) Approx. 3.17 x 4.15" (80.4 x 105.5 mm)
Weight 1.67 lb (760 g)