About this item

• Standard focal length 50 millimeter lens is effective in a multitude of shooting situations and ideal for day-to-day shooting  
• Elements, Groups: 7 by 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