Apertura 35 mm Extension Tube - 2"

This extension tube by Apertura bolsters the existing focal length of your telescope. The Apertura EXT35 has a 2" barrel and is CNC machined for a beautiful finish. The brass compression ring prevents scratches on eyepieces and accessories. This 2" extension tube delivers an additional 35 mm (1.38") of focal length, which will help you bring your accessory and scope combination to focus.