Tele Vue 2" Extension Tube for 2" Focusers Flags & Scrims The unit is of a

The unit is of a panel mount design and requires mounting in a suitable box

It is an ideal accessory for live or studio music production

Remains Acoustically Transparent

The jack comes with a plastic washer and nut for panel mounting

Tele Vue 2" Extension Tube for 2" Focusers Flags & Scrims The unit is of aMade in the USA Tele Vue's 2" diameter extension tubes, available in 2" & 3. 5" lengths, are handy for retaining the optical path length when replacing a star diagonal or when focus is moved out by eyepiece projection & Barlow photography. They accept 48mm filters and have anti reflective threads & extra long locking screws which are quite unlikely to fall out by accident. Tele Vue's adapters use a brass clamping ring to fully encircle the device