【M42 Mount/AI Mount】For Pentax/Praktisix M42 screw mount lens can be mounted to for Nikon AI mount camera body through the M42‑AI adapter ring.
【Lens Adapter】Made of high‑quality alloy, it is sturdy and durable, the surface is painted to prevent oxidation and corrosion, and it feels comfortable.
【Manual Focus】Precise processing, tight fitting, precise fitting and no light leakage.
【With Corrective Lenses】With corrective lenses, multi‑layer coating, infinite focus. Suitable for Nikon D850, D810, D750, D7500, D6500 camera, etc.
【Easy to Use】It is tightly and smoothly combined with the mount, easy to install and remove the lens.