Product: M39-NEX Camera Lens Adapter Ring L39 M39 Lens Mount Converter to for Sony NEX 3 5 A7 E A7R A7II
Brand: LingoFoto
Transfer ring function: 1. First, set it in the camera menu: turn on "no lens shooting", and you can use the adapter ring. 2. Use LCD to focus, all are manual focusing. 3. Focusing function can be achieved by using MF zoom-in function and 7 or 14 times zoom-in function. 4. Use M or A mode to shoot. 5. Focus at infinite distance. Description： 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.  Material: Made of brass and aluminum   Color: Black  Brand new and high quality Suitable for: For Leica L39 LTM M39 lens to all for Sony E mount cameras/camcorders (for Sony NEX-3, NEX-5, NEX-6, NEX-7, NEX-C3, NEX-VG10E, NEX-FS100, Sony Alpha A7, A7 II, A7r, A7r II, A7s, A7s II, A9, A3000, A5000, A5100, A6000, A6300, A6500, etc.) Package included： 1pc x Mount Adapter Ring M39-NEX A lens cloth will be sent as a GIFT at random color. 
This Lens Mount Adapter allows you to mount for Leica M39 Lens to for Sony E-Mount cameras.
Compatible with Camera: for Sony NEX-3, NEX-3C, NEX-3N, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-C3, NEX-F3, NEX-F3K, a3000, a3500, a5000, a5100, a6000, a6400, a6500, A7, A7R, A7S, A7 II, A7R II, A7S II, A7 III, A7R III, A9 and other E-mount camera.
Compatible Camcorder: for NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50, PXW-FS7, PXW-FS5, PXW-FS7 II.
There are no electrical contacts in the adapter ring. Autofocus, automatic aperture and AE metering will be DISABLED. Exposure and focus has to be adjusted manually.
Shoot with manual mode or aperture priority mode. Turn on "Release without lens" mode before use.

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