William Optics D-ROTO-A2-M42F(with 42mm (female) adapter) (discontinued)
William Optics D-ROTO-A2-M42F with 42mm (female) adapter
-New William Optics 2" Rotolock eyepiece adapter/visual back with 42mm female thread
-This WO adapter has a female 42mm thread on one side, and a standard 2" visual back on the other side.
-Just rotate the adapter ring clockwise to lock any inserted accessory, or counter-clockwise to release the accessory. Innovative design ensures that you get a very solid hold and the accessory is perfectly centered every time. No thumbscrews to worry about! The internal ball bearings and detents make this adapter a joy to use.
-This RotoLock adapter enables you to connect many scopes or other accessories with 42mm female thread.