78 mm Male to 69 mm Female (SFA-M78F69-011)
This item is out of stock but you can place an order now and we’ll ship when it becomes available.
This is a M78 X 1 male to M69X1 female adapter that adds 11 mm of length. The 78 mm male thread is 6 mm long and threads into the Stellarvue 3" focuser used on earlier models of the SVQ100. The 69 mm female thread is about 12 mm deep. The SFE M69 extensions thread into this.