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In-Optical-Path Roof Prism Erector
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Fits within any standard 11/4" I.D. focuser tube and allows right-side-up vision, correctly oriented left-to-right. Utilizes a Pechan Roof Prism and a negative lens to increase working distance.
Clear aperture of system is 8mm. Black anodized aluminum housing measures 11/4" diameter, 19/16" long. Supplied with a tube measuring 11/4" I.D., 15/16" O.D., 31/2" long. For use with the Astroscan® and most reflector-type telescopes.
 Gift Wrap Available
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