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William Optics Gran Turismo 81 / GT81
William Optics Gran Turismo 81 / GT81
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William Optics
Gran Turismo 81 / GT81
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William Optics
Gran Turismo 81 / GT81
williamoptics.com/.../gran-turismo-81-iv
Type
Refractor: apochromatic
Diameter
81 mm
Focal length
478 mm
Weight
3.90 kg
Users
333
Images
3415
Most often used with
Sky-Watcher
HEQ5 PRO
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Agena Astro
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Also available in the following variants:
Gran Turismo 81 II / GT81 II
Gran Turismo 81 III / GT81 III
Gran Turismo 81 IV / GT81 IV
Gran Turismo 81 (original) / GT81 I
Gran Turismo 81 WIFD
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