121 mm Extension Tube for 3" FT Focuser (STE-M109-121)
This item is out of stock but you can place an order now and we’ll ship when it becomes available.
The Stellarvue STE-M109-121 is a 121 mm threaded extension for the 3" Feather Touch Focuser. The focuser and rotator thread into this to provide 121 mm of additional distance between the objective and the focuser. Threads are M109X1.