Page 1: ...dapter rings Unscrew the eyepiece adapter from the drawtube if necessary to install extension tube If you will be using a laser or a long Cheshire eyepiece some kind of extension is mandatory with the...
Page 2: ...ome bright uniformly lit object such as a white wall or daytime sky well away from the sun Attach the extension tube to the focuser drawtube and insert the centering eyepiece into the eyepiece holder...
Page 3: ...2 to center the pattern This should get the collimation very close Other methods such as trying to align the spiders with Cheshire crosshairs or using a holographic laser are not as reliably accurate...
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