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Telescope or lens

TS-Optics 70 mm f/5 Quadruplet

teleskop-express.de/.../p7085_TS-Optics-70-mm-f-5-Quadruplet-Flatfield-Apo-with-3-Element-FPL53-Objective.html
TypeRefractor: Petzval
Diameter70 mm
Focal length350 mm
Weight3.00 kg
Users 39
Images 279
Most often used with
ZWO ASI2600MC Pro