Canon launches a new EF 8-15mm f/4L Fisheye USM lens designed for use with full-frame DSLR cameras like the EOS 5D Mark II or the EOS -1Ds Mark III. It delivers extremely wide 180º field of view on them.
When used with cameras featuring APS-C or APS-H sensors the lens shows more moderate field of view coupled with vignetting, but there’re ‘C’ and ‘H’ markings on the lens body, which allows locking zoom at a value that provides for vignette-free shooting for each sensor.
The lens is promised to deliver superb image quality thanks to its advanced optical construction. It combines 14 elements in 11 groups and features 1 aspherical and 1 Ultra-low Dispersion (UD) element to minimize aberrations and ensure contrasty pictures with true-to-life colors. All lens elements are covered with the Super Spectra Coating to reduce ghost and flare. In addition, the front lens element features the SubWavelength Structure Coating on its inner surface to improve flare reduction.
The EF 8-15mm f/4L Fisheye USM incorporates a ring-type ultrasonic motor (USM) that focuses quickly and precisely as well as enables full-time manual focus so that you can change focus by moving the ring even when AF is active.
The lens is housed into a dust- and water-resistant body made from high-quality materials, which is typical of all new L-series models. Moreover, front and rear lens elements are coated with fluorine to protect them from water, dust and make it easier to clean the lens.
Canon EF 8-15mm f/4L Fisheye USM - Specifications:
- Focal Length: 8-15mm
- Diagonal Angle of view (FF): 180º - 175º 30′
- Maximum Aperture: F4
- Minimum Aperture: F22
- Lens Construction: 14 elements/11 groups
- Number of diaphragm blades 7
- Minimum Focus: 0.15 m
- Maximum Magnification: 0.39x at 15mm
- Ring-type Ultrasonic AF Motor
- Filter Thread: 67mm
- Supplied Accessories: Front and Rear Caps, EW-77Hood, LP1219 Case
- Weight: 540 g
- Dimensions: Diameter 79 mm x Length 83 mm
- Lens Mount: Canon EF
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