TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 40 mm Eyepieces Explore Scientific 52° 40 mm

Explore Scientific 52° 40 mm Waterproof

Cassini'''s Division in the rings of Saturn

About the Celestron Advanced VX 8" Schmidt-Cassegrain Telescope

ED80 Classic White "Essential Series" f/6 Air Spaced Triplet

which allows closer placement of the eyepiece

TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 40 mm Eyepieces Explore Scientific 52° 40 mmTeleVue 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.