Did someone say portraits? Both you and your subject will enjoy working with this lens. You'll have the convenience of being able to frame from three-quarter views to tight head shots without having to re-set your position. Your subject will be comfortable too when they find out that you won't need to get "in their face" to get that close-up. FEATURES INCLUDE: Minimum aperture f45 Equivalent to 48mm-97mm in 35mm format Close focuses to 21.6 inches (@100mm) - 47.9 inches (@200mm) (54.8cm - 121.7cm) Filter size 77mm