One twist, and your accessories sit firmly in place, gentle clamping over a large area. Aazon.co : Alstar 2-Inch Telescope Eyepiece Extension Tube Adapter... But this doesn't need to happen, there is a solution: the Twist-Lock adapter. Put your 1.25 eyepieces or other accessories one: Turn the lock-ring and your eyepiece now sits firmly anchored in place. Ideal for using high-power, low focal length 1.25 eyepieces in a big 2 telescope focuser. Instead of constantly having to fiddle around with adapters, you could simply use this adapter together with the eyepiece and use it with a fixed 2 barrel. Use Twist Lock adapter as a high-end reduction ring. An affordable way to increase the number of eyepieces to use with your 2 inch focuser equipped telescope Save money when buying filters - A 2 filter thread offers the option of using a 2 screwed filter, even when using a 1.25 eyepiece. This is a very high quality anodized aluminum adapter, self-centring 2 to 1.25 adapter with 2 thread. It is gentle with the accessories and yet clamps them in place with incredible force. Suppose you are observing with some 2 eyepieces but also have a favourite 1.25 eyepiece you want to use. You know the situation - you've clamped your precious eyepiece using the locking screw on the focuser. Report an issue with this product or seller This item: NOFIXS 54530-VB3-802 Roto Stop Cable Fits Honda HR194 HR214 HR216 HRA214 HRA216 Lawn Mower $1468 + The ROP Shop | Throttle Cable for Honda HR194-SXA, HR214, HR215 & HR216 Push Lawn Mowers Allows you to use 1.25 inch eyepieces in any 2 inch telescopes focuser; star diagonal; or holder; One twist; and your accessories sit firmly in place; gentle clamping over a large area Celectron Advanced VX 8 Newtonian Telescope This is a very good quality anodized aluminum adapter; self centring 2 inch to 1.25 inch adapter with 2 inch thread T Ring Adapter Canon Baader 2'' To 1.25'' Reducer - With 2'' Filter Thread Meade Telescope Eyepiece