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William Optics
Gran Turismo 71ii / GT71ii
williamoptics.com/.../all-new-gran-turismo-71-apo-refractor
Type
Refractor: apochromatic
Diameter
71 mm
Focal length
419 mm
Weight
3.00 kg
Users
33
Images
245
Most often used with
ZWO
ASI533MC Pro
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