Personal photographs are for keeps. We sure know that and so Canon comes with an array of lenses to suit your specific needs. Its a photographers delight for lenses make or break a camera. Fun photo times are here!Specification:Focal Length & Maximum Aperture: 50mm 1:2.5Lens Construction: 9 elements in 8 groupsDiagonal Angle of View: 46�Focus Adjustment: Front group linear extension system with AFDClosest Focusing Distance: 0.23m / 0.8 ft. (film plane to subject)Filter Size: 52mmMax. Diameter x Length Weight: 2.7" x 2.5" 9.9 oz. / 67.6 x 63.0mm 280g