Viltrox EF-E II F Booster for Sony A9 A7RSmk2 Auto Focus with USB CDAF PDAF Switch

Viltrox EF-E II F Booster for Sony A9 A7RSmk2 Auto Focus with USB CDAF PDAF Switch     

Description:
- Viltrox EF-E II Electronic Adapter (F Booster) is the 2nd generation of its kind since the end of 2014. This adapter is designed for Sony APS-C camera and Canon EF mount lenses. Same as previous generation, the built-in optics increase light input by one F stop and reduce focal length by x0.71. Same as the latest EF-NEX IV, the new F Booster also comes with USB port for firmware update and a switch to select CDAF or PDAF focus mode#.

Features:
- Support Sony A9/A7/A7R/A7S/A6XXX/NEX cameras and VG camcorders* (APS-C mode should be turn on for full frame camera)
- Integrated USB port for adapter firmware update^
- 4 elements in 4 groups optics increase light input by one F stop and also reduce focal length by x0.71.
- Dedicated switch to select between Contrast Detection and Phase Detection Auto Focus mode
- Contrast Detection AF allow Flexible Spot to be moved and focus across the frame and support Eye focus on specific camera#.
- Phase Detection Auto Focus gives faster focus experience on most lenses.
- Support EF lenses manufactured by Canon, Sigma, Tokina and Tamron
- Record EXIF data includes aperture, focal distance etc.
- Support on camera aperture adjustment and metering
- Support lens Image Stabilizer
- High precision aluminum alloy with chromium plating on both mounting surface to ensure smooth installation and durability.

Package Included:
- 1 x Viltrox EF-E II F Booster for Sony A9A7RSmk2A63006500 with USB CDAF PDAF Switch