Features:

•This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses

•The adapters are precision made to insure the perfect fit.

•Allows focus infinity.

•Diaphragm control of the lens is set manually.

•High quality and compact.

•Made of aluminum and plastic

Suitable for Leica M39 Mount Lens

M42 Mount Camera

Note:

Please note Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions 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. Set your camera to"shooting without lens"mode

Package Includes:

1X M39-M42 Lens Mount Adapter Ring