Standard lens featuring superb quality & portability. Two high-refraction lens elements & Gaussian optics eliminate astigmatism & suppress astigmatic difference. Crisp images with little flare are obtained even at the maximum aperture. Features Focal length & maximum aperture: 50 mm f 1.4 Lens construction: 7 elements in 6 groups Diagonal angle of view: 46° Focus adjustment: Overall linear extension system with USM Closest focusing distance: 0.45m / 1.5ft Filter
Size: 58mm