Sigma 18mm - 200mm f/3.5-6.3 DC AF Aspherical Lens Kit,for the Maxxum & Sony Alpha Mount. with Tiffen 67mm UV Wide Angle Filter, Professional Lens Cleaning Kit Exclusively designed for use with digital Single Lens Reflex (SLR) cameras. High zoom ratio 11:1 Compact and Lightweight construction with diameter of 70mm (2.8"), length of 78.1mm (3.1") and weight of 405g./14.3oz. Minimum focusing distance of 45cm (17.7") at all focal lengths