William Optics ZenithStar 81 / ZS81
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Telescope or lens
Type Refractor: semi-apochromatic
Diameter 81 mm
Focal length 559 mm
Weight 3.50 kg
Users 161
Images 1637
Most often used with
ZWO ASI533MC Pro
Known retailers High Point Scientific  ·  Agena Astro ( Currently out of stock )