Sony 500mm f/4 G SSM SAL-500F40G

(From Sony lens literature) Sony 500mm f/4.0 SSM ultra-telephoto lens. Compatible with A-mount cameras.

• Ultra-telephoto for sports and wildlife
• Extremely high imaging quality and fast AF
• Rugged weather- and dust-resistant design

Features

• High performance ultra-telephoto lens with 500mm fixed focal length
• Ideal for sports, wildlife and other demanding imaging applications requiring very high magnification
• Bright f/4.0 maximum aperture allows use of faster shutter speeds to broaden shooting opportunities
• Advanced optical design with with 11 elements in 10 groups, including three ED (Extra-low Dispersion) glass elements
• Exclusive AR Nano Coating by Sony on lens surfaces cuts reflections for extremely low ghosting and flare
• New SSM (Super Sonic wave Motor) drive circuit for extremely high speed autofocus - ideal for capturing fast-moving subjects
• Compatible with SteadyShot INSIDE optical image stabilization featured in all Sony α SLT and DSLR cameras
• 9-blade circular aperture for beautiful defocus (bokeh) effects
• Enhanced operability with four focus hold buttons, two-way DMF (Direct Manual Focus) mode button and focus range switch
• Supplied carbon fiber lens hood lined with black velvet fibers for high absorption of incident light
• Weather-resistant design with interlocking seals to protect against effects of dust and moisture, ideal for use with SLT-A77