LightDow 85mm F/1.8 Medium telephoto lens Lens Construction: 6 Elements in 6 Groups, Angle of View: 29.5 degrees diagonal, Aperture Range: 1.8-22 Minimum Focusing Distance: 0.85 / 33.46 inches, Filter diameter: 72 mm, Package size: 10*10*15cm / 3.9*3.9*5.9 inches Package weight: 549g / 1.21 lbs.