Focal length: 105 mm Maximum aperture: f/ 2.8 Format: fx/35mm With vr (vibration reduction) image stabilization With nano crystal coat With af-s (silent wave motor) Approx. Dimensions (diameter x length): 3.3 in. (83 mm) x 4.6 in. (116 mm) Approx. Weight: 25.4 oz. (720 g)