Hersmay PK-NEX Lens Mount Adapter For Pentax PK K Lens to Fit For Sony E-Mount NEX5 NEX6 NEX7 A7 I II III IV A7S A7R A7SII A7SIII A7RII A6500 A6300 A6000 A5100 A5000 NEX-FS700 VG30 VG900 PXW-FS7

Features:
Auto focus (AF) is NOT avaliable
There is no ROM connection on the ring so diaphragm control of the lens is set manually
Supports AV / M mode.
With Lens lock / release and stop screw
It is possible to use macro rings and other accessories
Allows focus to infinity
Super smooth surface finishing；
Install, remove and operate lens smoothly

Notice
Although the lens will fit physically,automatic diaphragm,auto-focusing,or any other function will not operate correctly while using this adapter.
In this case "Stop-down mode"will need to be used when metering since the lens doesn't have the ability to have its apeture controlled by camera body. You can shoot with manual mode or apeture priority mode.
To use manual lenses on Sony NEX camera, please enable "Shoot without lens" function in camera menu

Suit for
Lens: Pentax PK Mount lens
Camera:
SONY NEX-3 NEX-C3 NEX-5 NEX-5C NEX-5N NEX-5R NEX-6 NEX-7...E mount camera.
Camcorder: SONY NEX-VG10

Specifications:
Material: Aluminum
Front mount: for Pentax PK Mount
Rear mount: for SONY E Mount

Package including:
1 * PK Mount lens to NEX E Camera lens Adapter