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The Tele Vue 2x BIG Barlow doubles the magnification of any 1.25 inch or 2 inch eyepiece in your collection. For the regular 1.25 inch variant che...
The Tele Vue 3x Barlow provides triple the magnification when used with any 1.25" eyepiece in your collection. For less magnification check out th...
The Tele Vue 2x Barlow provides double the magnification when used with any 1.25" eyepiece in your collection. For more magnification check out the...
Tele Vue's Paracorr Type II is the most versatile coma corrector available for Newtonian telescopes. Concept: I have built Newtonian reflectors...