William Optics 2" Rotolock Eyepiece Adapter/ Visual Back - 42mm Female Thread
This new 2" Rotolock eyepiece adapter features 42mm female thread on one side, and a standard 2" visual back on the opposite side. To lock an inserted accessory in place, simply rotate the adapter ring clockwise. Rotate counterclockwise to remove an accessory. Inventive design guarantees a secure hold with perfect centering time after time. No thumbscrews to be concerned about! Inner ball bearings and detents make this adapter a delight to work with. Allows for the connection of many telescopes and additional accessories that have 42mm female thread.
William Optics Product Number: DROTO-A2M42F