To Next PageTo Next Page
Need help?Do you have a question about the Orion AstroView 120 EQ and is the answer not in the manual?
General| Optical Design | Refractor |
|---|---|
| Aperture | 120 mm |
| Focal Length | 1000 mm |
| Focal Ratio | f/8.3 |
| Mount Type | Equatorial |
| Finderscope | 6x30 |
| Eyepieces Included | 25mm, 10mm |
| Highest Useful Magnification | 240x |
| Tripod | Steel |
Attaching tripod legs, accessory tray, and counterweight shaft to the equatorial mount.
Securing the telescope tube in the rings and connecting slow-motion control cables.
Adjusting counterweights and telescope position to balance the mount's axes.
Procedures for aligning the finder scope using daytime and nighttime methods.
Achieving polar alignment and using the polar axis finder scope.
Detailed instructions on focusing, using eyepieces, and observing with eyeglasses.
Formula and example for calculating telescope magnification based on focal lengths.
Understanding color distortion and using star charts/setting circles to find celestial objects.
Techniques for imaging the Moon, planets, and using a piggyback camera setup.
Proper procedures for storing the telescope and cleaning its optical surfaces.
