2 inch diameter T 2 focal adapter; fits into all 2 inch focusers
Black anodized to minimise reflections; filter thread for 2 inch filters
Allows you to quickly attach your SLR camera to any telescope with a 2 inch focuser
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