This is the large reducer flattener with rotator that is made for our new SVX130T and our SVX152T refractors. It will also work on our former SVA130T refractors when equipped with a Feather Touch 3" focuser. If used with a 3.5" Feather Touch focuser an adapter will be required. It is align-able and has a rotator with an M69 female connection for the camera end.The telescope side of this reducer/flattener has an M75X1 male thread.
The total back focus for this reducer flattener when used with a 130 mm f-7 refractor is 68 mm from the rear of the M69X1 attachment thread. The back focus when used with our SVX152T is 65mm from the rear of the M69X1 attachment thread.