Alstar SCT Adapter for 2″ SCT Diagonals – Convert Compatible Push-in (Refractor) Type diagonals into a Standard SCT Diagonal

About this item Simply unscrew the 2 inch nosepiece from the diagonal body; and screw this adapter on instead This item consists of two coupled adapters that permit you to rotate your SCT diagonal to the desired orientation on your telescope The other side has a standard 48 mm: M48 x 0.75 male thread; which is the same thread used on most 2 inch filters; eyepiece/diagonal barrels; etc This adapter has a standard SCT female thread: 2 inch; 24 TPI on one side to connect to the male SCT thread on the rear of your telescope With this SCT Adapter; you can use your refractor diagonal with all telescopes having a standard SCT thread