VILTROX M42-E Adapter Ring M42 Mount Lens Adapter Focal Reducer Telecompressor Speed Booster for Sony NEX E-mount Camera

Features:
Manual focus, manual exposure, focus to infinity.
Used to reduce focal length, increase lens speed.
Increase aperture by 3 stops, better to highlight the subject.
Reduce focal length to 0.71x.
All metal structure, with excellent opticals.
With 1/4 screw hole, can be attached to tripod mount directly.
Comes with covers and a plastic case for protection and ease of transport.

Specifications:
Brand: Viltrox
Model: M42-E
Material: Zinc alloy
Compatible Lens: M42
Compatible Camera: for Sony NEX-F3/N3/3/C3/5/5C/5D/5N/5K/5T/5R/6/7/A7/A7-2/A7R/A7S/A5000/A6000 E-mount Camera
Item Size: 8 * 6.5 * 3.2cm / 3.1 * 2.6 * 1.3in
Item Weight: 212g / 7.5oz
Package Size: 10.5 * 9.5 * 6cm / 4.1 * 3.7 * 2.4in
Package Weight: 344g / 12.2oz

Package List:
1 * Adapter
1 * Front Cover
1 * Rear Cover
1 * Screw Driver
1 * Plastic Case