Canon EF 50mm f/1.4 USM Standard and Medium Telephoto Lens for Canon SLR

Standard lens featuring superb quality and portability. Two high-refraction lens elements and new gaussian optics eliminate astigmatism and suppress astigmatic difference. Crisp images with little flare are obtained even at the maximum aperture.
Is discontinued by manufacturer ‏ : ‎ No
Language ‏ : ‎ English
Product Dimensions ‏ : ‎ 5.1 x 7.4 x 7.4 cm; 290 Grams
Date First Available ‏ : ‎ June 1 2010
Manufacturer ‏ : ‎ Canon Canada (Direct)
Place of Business ‏ : ‎ BRAMPTON, ON, L6Y 5Z7 CA
ASIN ‏ : ‎ B00009XVCZ
Item model number ‏ : ‎ 2515A003
Country of origin ‏ : ‎ Japan

Elements/Groups: 7/6, Diaphragm: Blades 8, Filter Thread: Font 58 millimeter. Minimum focusing distance: 17.8 inch
An f/1.4 maximum aperture provides clear imaging in low light situations and shallow depth of field
Ultrasonic autofocus motor (USM) operation is fast, smooth and virtually silent
2 high-refraction lens elements and new Gaussian optics eliminate astigmatism and suppress astigmatic difference
This large aperture standard prime lens has superior peripheral brightness even at the maximum aperture
Lens construction: 8 elements in 6 groups, Filter size: 77 millimeter
Optimized for Digital – super multi-layer coating minimizes flare and ghosting – a common problem of digital cameras
The optimum optical design and molded glass aspherical lens elements provide excellent correction for all types of aberrations, including coma aberration, resulting in superior optical performance
The Hypersonic Motor (HSM) ensures silent, high speed auto-focusing as well as full time manual focusing capability