clips held by two screws each. Loosen the screws and remove the clips.
You may now remove the primary mirror from its cell. Do not touch the surface of the mirror with your fingers. Lift the mirror carefully by the edges. Set the mirror on a clean soft towel. Fill a clean sink free with room temperature water, a few drops of liquid dishwashing detergent, and if possible, a capfull of 100% isopropyl alcohol. Submerge the mirror (aluminized face up) in the water and let it soak for a few minutes (or hours if it’s a very dirty mirror). Wipe the mirror under water with clean cotton balls, using extremely light pressure and stroking in straight lines across the mirror surface. Use one ball for each wipe across the mirror. Then rinse the mirror under a stream of lukewarm water. Any particles on the surface can be swabbed gently with a series of cotton balls, each used just one time. Dry the mirror
Small
Figure 15. To remove the mirror cell from the telescope, the three small Phillips-head screws on the perimeter of the mirror cell must be completely unthreaded.
in a stream of air (a “blower bulb” works great), or remove any stray drops of water with the corner of a paper towel. Cover the mirror surface with tissue, and leave the mirror in a warm area until it is completely dry before replacing it in the mirror cell and telescope.
9. Specifications
Primary mirror: 4.5" (114mm) diameter, parabolic, center marked
Effective focal length: 450mm
Focal ratio: f/3.9
Minor axis of secondary mirror: 1.3" (34mm)
Mirror coatings: Aluminum with silocon dioxide (SiO2) overcoat
Focuser:
Eyepieces: 15mm and 6mm Expanse eyepieces, fully coated with
Eyepiece magnification: 30x (with 15mm eyepiece) and 75x (with 6mm eyepiece)
Finder scope: EZ Finder II reflex sight
Mount:
Tripod: Aluminum
Motor drives: Optional
Total instrument weight: 17 lbs.
One-Year Limited Warranty
This Orion StarBlast 4.5 EQ is warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail purchaser only. During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instrument that proves to be defective, provided it is returned postage paid to: Orion Warranty Repair, 89 Hangar Way, Watsonville, CA 95076. If the product is not registered, proof of purchase (such as a copy of the original invoice) is required.
This warranty does not apply if, in Orion’s judgment, the instrument has been abused, mishandled, or modified, nor does it apply to normal wear and tear. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. For further warranty service information, contact: Customer Service Department, Orion Telescopes & Binoculars, 89 Hangar Way, Watsonville, CA 95076;
Orion Telescopes & Binoculars
89 Hangar Way, Watsonville, CA 95076
Customer Support Help Line
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