ORION TELESCOPES & BINOCULARS Explorer 90mm AZ 9029 Instrucion Manual

ORION TELESCOPES & BINOCULARS Explorer 90mm AZ 9029 Instrucion Manual

Altazimuth refracting telescope

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INSTRUCTION MANUAL
Orion
®
Explorer
90mm AZ
#9029
Altazimuth Refracting Telescope
Customer Support (800) 676-1343
E-mail: support@telescope.com
Corporate Offices (831) 763-7000
P.O. Box 1815, Santa Cruz, CA 95061
Providing Exceptional Consumer Optical Products Since 1975
IN 113 Rev. C 04/02

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Questions and answers

Russell Cockriel
March 30, 2025

The large front lens has little dots on the inside between the 2 mirrors. How would someone clean these lenses. Not sure what the dots are, kinda look like water spots but scope has never been wet. Thanks Russ

1 comments:
Mr. Anderson
March 31, 2025

To clean the inside lenses of the ORION TELESCOPES & BINOCULARS Explorer 90mm AZ 9029, use lens cleaning fluid applied to a tissue (never directly on the optics). Wipe gently in a circular motion and remove excess fluid with a fresh lens tissue. Use caution to avoid scratching the lens. Clean only a small area at a time and use a new tissue for each section. Never reuse tissues.

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Summary of Contents for ORION TELESCOPES & BINOCULARS Explorer 90mm AZ 9029

  • Page 1 INSTRUCTION MANUAL Orion ® Explorer 90mm AZ ™ #9029 Altazimuth Refracting Telescope Customer Support (800) 676-1343 E-mail: support@telescope.com Corporate Offices (831) 763-7000 P.O. Box 1815, Santa Cruz, CA 95061 Providing Exceptional Consumer Optical Products Since 1975 IN 113 Rev. C 04/02...
  • Page 2 Piggyback camera adapter Tube mounting rings Finder scope Finder scope bracket Alignment screws (2) Tube ring mounting plate Azimuth lock knob (not shown) Eyepiece 45˚ Correct-image diagonal Focus knob Azimuth slow-motion control Altitude slow-motion control Accessory tray Accessory tray bracket attachment point Tripod leg lock knob Accessory tray bracket Figure 1.
  • Page 3 ongratulations on your purchase of a quality Orion telescope. Your Explorer 90 Altazimuth Refractor is an excellent instrument for both terrestrial observation and astronomical viewing. Whether it’s a distant ship at sea, a bird across a field, or a planet in the sky, the Explorer 90 AZ will bring you closer to what you wish to observe. If you have never used a tele- scope before, we would like to welcome you to a new world of adventure.
  • Page 4: Aligning The Finder Scope

    Alignment thumbscrews Focus lock ring Tensioner Figure 2a. Figure 2b. The 6x26 correct-image finder scope and bracket Inserting the finder scope into the finder scope bracket 5. Next, tighten the screws at the top of the tripod legs, so 11. Insert the chrome barrel of the 45° correct-image diago- the legs are securely fastened to the altazimuth mount.
  • Page 5: Using Your Telescope

    well. If it isn’t, repeat the entire process, making sure not to Focusing the Telescope move the main telescope while adjusting the alignment of Practice focusing the telescope in the daytime before using it the finder scope. for the first time at night. Start by positioning the focuser near the center of its adjustment range.
  • Page 6: Astronomical Viewing

    image you see is not crisp and steady, reduce the magnifica- be amazed at how many more stars and deep-sky objects tion by switching to a longer-focal-length (lower-power) eye- are visible in a dark sky! piece. A small but well-resolved image will show more detail Cooling the Telescope and be more rewarding than a dim, fuzzy, over-magnified All optical instruments need time to reach “thermal equilibri-...
  • Page 7 stars you can see with the unaided eye (6th magnitude or of showing you these planets in some detail. Other planets fainter is desirable). may be visible but will likely appear starlike. Because plan- ets are quite small in apparent size, optional higher-power Tracking Celestial Objects eyepieces are recommended and often needed for detailed Celestial objects appear to move slowly across the sky...
  • Page 8 Remember that the higher the magnification you use, the dim- fluid to a tissue, never directly on the optics. Wipe the lens mer the image will appear. So stick with low power when gently in a circular motion, then remove any excess fluid observing deep-sky objects because they’re already very faint.

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