Top features: - Lightweight and compact lens that's ideal for portraits - Circular aperture delivers smooth, natural defocusing - Smooth Autofocus Motor (SAM) for smoother and quieter focusing Lightweight and compact The Sony 85 mm f/2.8 SAM is a compact and lightweight mid-range telephoto lens that's ideal for shooting portraits. Its telephoto focal length allows you to take beautiful close-ups even if you're some distance from your subject. Circular aperture Rounded blades form a circular aperture which delivers a smoother, more natural defocusing to make your foreground subjects stand out. Smooth Autofocus Motor Designed to deliver smooth and silent autofocus, the Smooth Autofocus Motor (SAM) is ideal when shooting video. You won't disturb your subjects, and you can avoid unwanted noise on your video audio track.