Sigma 500mm F5.6 DG DN OS Lens Mount:Leica L POWERDRIVE Engine with oversized Power

POWERDRIVE Engine with oversized Power Digigear for immense cranking torque

• Aperture Range: f/6

7 ASPH lens is an ideal choice for those looking to capture wide scenes with clear subject focus and excellent performance for both photography and video work

• Astrophotography-dedicated model based on the OM-3

Sigma 500mm F5.6 DG DN OS Lens Mount:Leica L POWERDRIVE Engine with oversized PowerFull Frame f 5. 6 to f 32 Light and Compact Ultra Telephoto Prime Optimized for Handheld Action Capture High Response Linear Actuator AF System Optical Stabilizer with OS2 Algorithm Extra Low Dispersion Glass Elements Removable, Rotating Tripod Foot Dust and Splash Resistant Construction