Inner ring can be rotated with a standard allen key allen key provided to ensure lens is always right way up All metal construction and anodizing aluminium process with nikon 1 T mount and m42 to 1.25inch t adapter for long time use the interior is darkened to avoid light reflection T2 N1 T Mount Lens Adapter and M42 to 1.25 Telescope Adapter (T-Mount... Focusing infinity made of anodized aluminum. No rom connection on the adapter. 1.25 '' T Adapter Mount with M42 Threads T2 Mount Solomark T2 N1 T Mount Lens Adapter For Nikon 1 Series Nikon J1 Lens diaphragm control of the lens is set manually; automatic diaphragm autofocusing or any other functions will not operate correctly while using this adapter The ACDelco name means the quality is assured – from brake pads and shoes to drums and rotors, you can count on the Advantage series to deliver value every time It Is all metal design and polished surface are designed to guarantee smooth mounting and long lasting experiences
