First previewed almost two years ago at PMA 2010, the 500mm f/4 G super-telephoto is finally seeing the light of day. The new A-mount lens sports bundles of goodness, including first and foremost its big f/4 aperture, and extending to a Nano Anti-Reflective (AR) coating, a new supersonic motor drive circuit for fast & accurate autofocus, and extensive dust and moisture sealing, making it a great match for Sony's high-end SLT-A77 body. It's also touted as being compatible with Sony's body-based SteadyShot INSIDE image stabilization system, presumably by transmitting its focal length...
Imaging Resource | 2012-02-07