Features:

Allows you to use your Praktica B PB Lens to fit on Fujifilm FX mount cameras.
It can focus to infinity.
Supports A / M mode ,auto focus (AF) is not available.
Use the adapter ,automatic diaphragm, auto-focusing, or any other functions will not operate correctly 
There is no ROM connection on the ring so diaphragm control of the lens is set manually.
Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens.
Please installing / uninstalling the adapter after turning off the camera.
Material: Aluminium

Compatiblity

Praktica B PB Lens
Fujifilm FX mount cameras , such as XPro1,XPro2,XE1,XE2,XM1,XM2,XA1,XA2,XT1. etc

Package Includes:

1 x Lens Adapter

Settings:
1. Put red marks of the adapter and lens collar together.
2. Turn the adapter anticlockwise till the fixative click.
3. Mosty it will use Manual or AV mode.

Removing:
To remove the adapter you should unpress fixative pin and turn the adapter clockwise.

Notice:
1.     Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other function will not operate correctly while using this adapter.
2.     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.
3.     You can shoot with manual mode or aperture priority mode.