T2-N1 Adapter for T-2 Telephoto Lens to Series Cameras V1 J1 J2 J3 Description: For using mount interchangeable lens digital cameras with all T2 (42mm x 0.75) screw mount. This adapter will work with for series camera body. Use for all T2,mount lens.Fits devices such as telephoto. It allows focus . Made of anodized aluminum. Inner can be rotated with a standard allen key (provided) to ensure lens is always the right way up. Specifications: This T2 or M42 to N1 mount adapter fits for Cameras Material: Metal Color : Black Diameter:60mm Length:40mm Application: for Camera Suitable for: Camera Body and T or T2 mount Telescopes or or Accessories For example: for -Series Cameras J1 J2 J3 Package Includes: 1 Piece T2-N1 Adapter 1 Piece Wrench Tool Note: "Stop-down " will need to be used when metering since the lens does not have the ability to have its controlled by the camera body. Automatic diaphragm, auto-focusing,or any other functions will not operate while using this adapter.