TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 Celestron Telescope Accessories as well as opto-mechanical errors

as well as opto-mechanical errors or flexure

14 arcsec Tube Length w/ Dew Shield: 30

making them perfect for the avid birder or hunter

This also enables you to configure the diagonal to exactly suit your needs

Image across the meridian without doing a meridian flip

TeleVue 0.040" (1 mm) Long Accessory Tube for 2.4" - TLF-0040 Celestron Telescope Accessories as well as opto-mechanical errorsTeleVue 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.