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Telescope or lens

William Optics ZenithStar 73 / ZS73

williamoptics.com/.../Z73-Manual.pdf
TypeRefractor: semi-apochromatic
Diameter73 mm
Focal length431 mm
Weight2.50 kg
Users 300
Images 2661
Most often used with
Sky-Watcher HEQ5 PRO
Known retailers Agena Astro  ·  High Point Scientific