Sigma 120-400mm f/4.5-5.6 AF APO DG HSM Telephoto Zoom Lens for Sony Digital SLR Cameras, Black

Aperture Control Design: Aperture controlled by camera • Compatible Mountings: Sony Alpha • Focus Type: Ring-type ultrasonic • Image Stabilization: 4 stops claimed • Item Dimensions: 3.62 x 3.62 x 7.99 inches • Item Weight: 3.62 pounds • Item Weight: 3.6 pounds • Item model number: 728205 • ... Show moreLens Design: Telephoto • Lens Type: Zoom lens • Material Type: Metal mount • Maximum Aperture: ƒ/5.6 • Maximum Aperture Range: F4.5 • Maximum Focal Length: 400 mm • Maximum Format Size: 35mm FF • Minimum Aperture: ƒ/22 • Minimum Focal Length: 120 mm • Minimum Focal Range: 120 mm • Model Year: 2009 • Optical Zoom: 3.3x • Photo Filter Thread Size: 60 mm • Real Angle Of View: 20.4 Degrees • Style Name: DG OS Lens for Sony Digital SLR Cameras • Zoom Type: Vari-focal