Use your existing Canon EF/EF-S lens on your new Sony E-mount camera with this Vizelex Polar Throttle Adapter from Fotodiox while also eliminating reflections and glare thanks to the adapter's built-in circular polarizing filter. This setup makes it quick and easy to use a filter with a variety of adapted lenses without the hassle of unscrewing filters when you want to use a new lens. Also, this adapter features an aperture control dial that enables enhanced functionality of your adapted lens. Precisely machined, this adapter guarantees infinity focus and has an all-metal construction with chrome-plated brass mounts for durability and a secure fit.