Astro-Tech 2" Extension ring for A-T Ritchey-Chrétien astrographs

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$34.95

Availability: More on the way

This Astro-Tech 2" long extension ring, installed between your Astro-Tech Ritchey-Chrétien astrograph and its focuser, helps you match the back focus required for your particular complement of imaging components . . .
SKU: AT2EXT