GSO

The GSO 35mm 2″ extension tube is the shortest available extension tube in 2″ format. The extension tube is machined from solid aluminium and Black anodised. It has a Brass compression fitting with locking knob and adds an extra 35mm to the back focus – Threaded to accept 2″ Astro filters.
A longer (80mm) version is available here
Price includes UK Delivery