Askar 1X Flattener for 80ED Refractor - 80ED-FLAT Antlia Dual & Tri-Band Filters About the TeleVue TV76 APO

About the TeleVue TV76 APO Refractor Telescope - Evergreen

Seasonal star charts display the locations of the best deep-sky objects for summer

Model Adventure Scope Clear Aperture 60mm (2

Patented dual encoder design allows the telescope to be moved manually whenever the user wishes - but with no need for re-alignment

The Starlight Innovation SC1 Star-Chair III normally comes with a black color foam seat cushion (1" thick)

Askar 1X Flattener for 80ED Refractor - 80ED-FLAT Antlia Dual & Tri-Band Filters About the TeleVue TV76 APO1X Field Flattener for the Askar 80ED Refractor OTA This 1X Flattener is specifically designed for the Askar 80ED refractor. Its triplet design (with one element of ED glass) is optimized for APS C. With this flattener installed you will achieve a flatter field and sharper, rounder stars at the edges, as it corrects for both field curvature and coma. The Askar 80ED 1X Flattener does not change the native focal ratio of the 80ED OTA; it remains at f 7.