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Telescope or lens

William Optics ZenithStar 73iii / ZS73iii

williamoptics.com/.../zenithstar-73-iii-apo
TypeRefractor: semi-apochromatic
Diameter73 mm
Focal length431 mm
Weight2.80 kg
Users 77
Images 834
Most often used with
ZWO ASI533MC Pro
Known retailers Agena Astro  ·  High Point Scientific