
2-inch to 1-1/4-inch Precision Centering Standard Adapter (17662)
Description Adapters for 2-inch Focuser Drawtubes 2-inch O.D. Adapters to fit the TCF-S and other 2-inch focusers. Each of our 2-inch Drawtube adapters are machined to tight tolerances for a smooth, snug fit into the TCF-S and TCF-Si 2-inch focuser drawtubes. A dovetail cut directly matches the thumbscrews on the TCF-S for a secure fit. By tightening the thumbscrews, the adapter is drawn tightly into the focuser's drawtube. These 2-inch drawtube adapters will usually fit very well into other manufacturer's focusers as well. Contact Optec for any 2-inch drawtube adapter not listed here. #17662 - 2-inch to 1-1/4-inch Precision Centering Standard Adapter The 2-inch to 1-1/4-inch Standard Adapter is our original secure fit adapter for 1-1/4-inch eyepieces, camera nosepieces, and SSP instrument telescope adapters. See our #17663 Precision Centering Adapter for a non-marring compression ring fitting for eyepieces and camera nosepieces. However, for those desiring the additional safely o