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fully multi-coated
65 degree FOV
GSO is famous for the quality of their optics
The diode inside the wire aviods the damage caused by msitaken +/- electrodes
GSO Deluxe Laser Collimator III for Reflector fully multi-coatedDownload reference manual This laser collimtor is quarantined to align a optical path less than 7m within 2mm bias. This is a quick and excellent tool to make sure all mirrors and focuser center symmetrically. However, you still must pay attention to the unavoidable tolerance between the installation of the collimator and internal diameter of a focuser. The collimator costs $45 (Free Shipping to mainland United States), but only $29 for the customer
US$ 640.16
US$ 285.95
US$ 2003.80