Focal length and maximum aperture: 28-90mm 1:4-5.6 Lens construction: 10 elements in 8 groups Diagonal angle-of-view: 75°-27° Focus adjustment: front group rotating extension system with micro USM Closest focusing distance: 0.38 m/ 1.3 ft., 0.3 x magnification Zoom system: rotating type Filter size: 58mm Max. diameter x length, weight: 67 x 71mm, 190g
