TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 Celestron Telescope Accessories Celestron is not only changing

Celestron is not only changing the way we experience astronomy

which provide high contrast viewing while minimizing chromatic aberration

Image across the meridian without doing a meridian flip

but also in parallel with the polar axis

2" threaded cell fits most standard 2" eyepieces

TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 Celestron Telescope Accessories Celestron is not only changingTeleVue 0. 040" (1 mm) Long Accessory Tube for 2. 4" The Tele Vue 0. 040" Length Accessory Tube for 2. 4" adds 0. 040" (1 mm) extension between Imaging System accessories. Extension Tubes are sometimes necessary to position the imaging camera's sensor far enough backwards to match the focal plane location of your scope.