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Telescope or lens

Borg 90FL f/5.6

firstlightoptics.com/.../borg-90fl-optical-tube-with-kasai-crayford-focuser.html
TypeRefractor: apochromatic
Diameter90 mm
Focal length500 mm
Weight2.00 kg
Users 1
Images 1
Most often used with
This item has a history of 1 approved edit proposals.