Feature:
Increase exposure to 1 stop, and you can use a faster shutter speed to shoot an image. Works fine, closely combined with the bayonet smooth, like the original lens. Full manual operation, manual focus, manual iris adjustment can be achieved with body manual exposure, aperture priority exposure, combined infinite focus.

Specification:
Max. f-stop pass through: 1.4
Optical design (lenses / groups): 4/3
Focal length extension: 0.7x
Image diameter (mm): 28.5
Bayonet front: 135 full frame lens
Bayonet back: NEX / Fuji X / Micro 4/3

Note:
You must set the camera to "Shooting without lens" mode to ON before use. Avoid direct shooting to light sources, or otherwise, blue spot occurs.

Compatible with:
FD Lens
All NEX E Mount Camera
(such as;ZV-E10/A1/A7C/A7SIII/A6600/A9II/A7RIV/A6100/A6400/A7III/A7RIII/Alpha a9/Alpha 7R/Alpha 7/A6300/A7SII/A7II/A5100/A6000/A5000/A7R/A7/A3000/NEX-7/NEX-6/NEX-5T/NEX-5R/NEX-5N/NEX-5/NEX-3N/NEX-F3/NEX-C3/NEX-3)
(NOTE: Full-frame camera maybe have black-corners)

Package Include:
1 X speed booster/focal reducer lens adapter
1 X rear cap
1 X body cap