Technical Specifications
Connection Side A: 2″ Barrel
Connection Side B: 2″ Holder
Optical Length: 3.5″
The Tele Vue 3.5″ Extension Tube helps your telescope reach focus when not using a diagonal — as is the case in many imaging applications. It is are also useful (with or without diagonal) when you need more out-travel for focusing on nearby terrestrial subjects.
Tele Vue’s extensions tubes slip into any telescope’s 2″ drawtube and include brass clamp rings to prevent marring of accessory barrels.
Connection Side A: 2″ Barrel
Connection Side B: 2″ Holder
Optical Length: 3.5″
3.5″ Extension Tube
Tele Vue 5-Years Warranty