Product Description 50mm standard lens with f/1.4 maximum aperture for Canon SLR cameras 2 high-refraction lens elements and Gaussian optics help eliminate astigmatism Delivers crisp images with little flare at the maximum aperture Extra-small Micro USM focus adjustment and full-time manual focusing Measures 2.9 inches in diameter and 2 inches long; 1-year warranty
Amazon.com Product Description The 50mm f/1.4 standard lens is a terrific choice for both casual and professional photographers. The lens is outfitted with two high-refraction lens elements and new Gaussian optics, which combine to eliminate astigmatism and suppress astigmatic difference. As a result, the lens obtains crisp images with little flare even at the maximum aperture. The lens's f/1.4 speed, meanwhile, is perfect for available-light shooting. And as a bonus, this lens is the only lens in the EF system to offer an extra-small Micro Ultra Sonic Motor (USM) while still providing a full-time manual focusing option. Other features include a close focusing distance of 1.5 feet, a 58mm filter size, and a one-year warranty.
Specifications
Focal length: 50mm
Maximum aperture: f/1.4L
Lens construction: 7 elements in 6 groups
Angle of view: 46 degrees
Focus adjustment: Overall linear extension system with USM
Closest focusing distance: 1.5 feet
Filter size: 58mm
Dimensions: 2.9 inches in diameter and 2 inches long
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