Speed booster for Sony E mount camera

Description:

1. Designed to allow canon FD series lens to be used with Sony nex camera                              

2. Built-in optical lens with 4 elements/4 groups, it can increase aperture by two f/stop. Allowing you to get in larger area of light and achieve the depth of field that you prefer.

3. focal length with 0.71X.

4. Viltrox speed booster are quality made using precision-machined Alluminum Alloy with Chromium plating on both of the camera body and the lens side of the booster to ensure smooth and endurable mounting quality aesthetic.
5. With optical lens provided by our Janpanese partner and a surprisingly attractive price,