Product no.: 61151Manufacturer: Orion
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With this accessory you can adjust the optics of Newtonian and Schmidt-Cassegrain telescopes. It consists of a sleeve with crosshairs and a Cheshire eyepiece. The flexible eye cup ensures light cannot enter from the side.
The collimating eyepiece fits into every 1.25” focuser or alternatively every 2” focuser with the corresponding adapter. A small hole at the top and crosshairs at the bottom enable precise centring of the optical mirror components. The polished surface with a 45° inclination projects a band of light into the optical path enabling precise primary mirror alignment.
With this collimating eyepiece you can adjust any reflector telescope in just a few minutes. Anyone who owns a Dobsonian telescope that must always be transported to the observation site should own this accessory.
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