Meade ETX Maksutov-Cassegrain telescopio D=90 mm F=1250 mm f/13.8.

Focal Length (F): 1250mm. Aperture (D): 90mm. Optics: It features a Maksutov-Cassegrain design, which uses a front corrector lens to provide sharp, high-contrast images without chromatic aberration. Origin: Made in U.S.A. (early models were manufactured in California).

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