The required spacing can be achieved by combining several extenders of differing lengths; you can use 1 piece; 2 pieces; 3 pieces or 4 pieces of the extension rings as you like
The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography
Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
Scope Of Application: This useful accessory allows for the perfect connection of your Ni kon camera to a 2 inch eyepiece diameter telescope; FOR Ni kon D1 D40 D50 D70 D70S D80 D200 and all digital NIkon cameras with an F-bayonet
Convenient Installation: Step1: Connect the T ring and 2 inch T adapter through threads; Step2: Connecting the T ring to the camera; Step3: Connect the 2 inch T adapter to the telescope