Features: 
MK-NF-E adapter is able to adapt F mount lens to Sony NEX E Mount Camera， which allows you to have more purchasing choices of lens. 
Maintain of Auto Focus (AF) function. 
Adjustable aperture manually.
Full metal body.
Full-frame adapter aperture hole design， perfectly supports for Sony full-frame camera A7/A7R. 
Built in anti-shaking function. 
1/4 Female thread screw for mounting onto the tripod.  

Specification: 
Compatible lens: for Nikon F series lens   
Compatible cameras: Sony NEX E Mount Camera (Including for Sony NEX full-frame camera A7/A7R) 
Front mount: for Nikon F mount 
Rear mount: for Sony NEX E mount   
Tripod screw: 1/4 screw   
Package size: 11 * 11 * 9cm / 4.3 * 4.3 * 3.5in 
Package weight: 354g / 12.48oz 

Package List: 
1 * Lens Mount Adapter  
2 * Covers
1 * User Manual(English & Chinese)