In Optical Path Roof Prism Erector

Speed Fair Co. Ltd.

in optical path roof prism erector  

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 in optical path roof prism erector 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.

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Optical Roof Prism Erector

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