Alstar 2" 5.10.20.30mm Extension Tube Kit - Bundle with - Ni kon T2 T-Ring and M42 to 2" T-Adapter

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece. This extension tube kit solves this problem. You can use this extender with any camera or eyepiece or with various adapters. The M48*0.75 threads on both ends make it extremely versatile. Use this extender for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener. You can reach the extension length required by combining several extenders of different lengths.

• Improve Focusing Problem: The extension tube has a M48x0.75 interior thread and a M48x0.75 exterior thread; elegantly solves the spacing problems in astrophotography and improve a series of focusing problems
• Variable Combination: The required spacing can be achieved by combining several extenders of differing lengths; Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
• Aluminium Alloy Material: All metal construction and anodizing aluminium process; resistant for long time use
• Scope Of Application: This useful accessory allows for the perfect connection of your Ca non camera to a 2 inch eyepiece diameter telescope; FOR Camera EOS 5d; 5d Mark Ii; 50d; 60d; 20d; 30d
• 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