This Andoer Lens Adapter Ring M42-NEX for M42 Lens Sony NEX E Mount body NEX-3 NEX-5 NEX-5C NEX-5R NEX6 NEX-7 NEX-VG10, and etc. 

Features: 
Super slim, ultra thin, only 1-1.5mm thickness, very easy to use. 
Make M42 Mount Lens to be used on NEX E Mount System Cameras. 
It is possible to use Macro rings and other accessories. 
Made of Anodized aluminum alloy, very strong and durable. 

Specifications: 
Brand: Andoer 
Material: Aluminum alloy 
Color: Black 
Suitability: For M42 Mounts Lens, for Sony NEX E Mount NEX-3 NEX-5 NEX-5C NEX-5R NEX6 NEX-7 NEX-VG10, and etc 
Package Size: 6 * 6 * 0.6cm / 2.4 * 2.4 * 0.24in 
Package Weight: 7g / 0.25oz 

Pacakage List: 
1 * Lens Adapter Ring 

Note: 
When attaching this adapter ring to NEX camera, it is unable for close-up shots, you need to add extra focusing tubes.