TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 40 mm Eyepieces Fully adjustable mechanical stage for

Fully adjustable mechanical stage for easy specimen slide movement

which allows closer placement of the eyepiece

Dob Base Weight:  26

Brass Right Ascension worm wheel: Φ110 mm

By combining a luminance image taken with the IR-Pass filter

TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 40 mm Eyepieces Fully adjustable mechanical stage forTeleVue 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.