Tele Vue Dioptrx 3.00 Astigmatism Corrector - DRX-0300 13mm Eyepieces but also includes a removable

but also includes a removable rail for attaching a red dot finderscope

A great Mars filter for all telescopes

using Celestron'''s proprietary XLT coating technology for superior optical performance

It has two rings that thread together to clamp on the eyepiece: an inner-ring that holds the rubber eyeguard and outer ring that slips over the top of the eyepiece

Tele Vue 8mm Plossl Eyepieces

Tele Vue Dioptrx 3.00 Astigmatism Corrector - DRX-0300 13mm Eyepieces but also includes a removableTeleVue Dioptrx 3. 00 Astigmatism Corrector for TeleVue Eyepieces Got astigmatism? Get the "cure" Your telescope's focuser is used to compensate for your near or far sightedness; TeleVue Dioptrx compensates for your astigmatism. These units attach and lock onto the tops of over 20 long eye relief Tele Vue eyepieces to achieve the sharpest full field viewing possible. TeleVue Dioptrx models are available in . 25 to 3. 25 diopter (1 4 steps from . 25 to