The lens has light use and is clean, as is. The Sigma 60-600mm f/4.5-6.3 DG DN OS Sports lens for Sony E-mount cameras is a super-telephoto zoom lens (10x zoom) specifically designed for Mirrorless cameras. It is an ideal choice for wildlife, sports, and dynamic event photographers thanks to its high flexibility in focal length changes. Here is a comprehensive review of the most prominent specifications, features, and drawbacks of this lens:🔑 Key Technical Specifications Focal Length Range: 60-600mm (covers from standard angle to super-telephoto). Maximum Aperture: f/4.5 at 60mm, narrowing to f/6.3 at 600mm. Focus Motor (AF): Advanced HLA (High-response Linear Actuator) linear motor, very fast and quiet. Optical Stabilizer (OS): Developed system (OS2) providing up to 7 stops of stabilization at the wide end and 6 stops at maximum telephoto. Weight: Approximately 2,485 grams (about 2.5 kg). Filter Size: 105mm.