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Orion StarBlast Instruction Manual

Imaging optical tube assembly
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instruction Manual
orion
starBlast
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optical tube assembly

#9974
customer support (800)‑676‑1343
E‑mail: support@telescope.com
Corporate Offices (831)‑763‑7000
89 Hangar Way, Watsonville, CA 95076
Providing Exceptional Consumer Optical Products Since 1975
IN 293 Rev. C 02/09

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Summary of Contents for Orion StarBlast

  • Page 1: Optical Tube Assembly

    Manual orion starBlast imaging ® ™ optical tube assembly #9974 customer support (800)‑676‑1343 E‑mail: support@telescope.com Corporate Offices (831)‑763‑7000 89 Hangar Way, Watsonville, CA 95076 Providing Exceptional Consumer Optical Products Since 1975 IN 293 Rev. C 02/09...
  • Page 2 Primary mirror cell Focuser Thumbnuts Focus knob Secondary mirror holder Figure 1. The StarBlast Imaging OTA.

  • Page 3: Getting Started

    Mount Eyepiece Focal Length (mm) The StarBlast Imaging OTA can be attached to a mount by the use of optional tube rings. Tube rings with an inner diameter For example, the StarBlast Imaging OTA, which has a focal of 140mm (5.5"), such as Orion item #7373, are needed.

  • Page 4: Collimating The Optics

    To use your CCD camera with the StarBlast, it must have a 1.25 inch “nosepiece”. All Orion StarShoot cameras have this Collimating is the process of adjusting the mirrors so they are nosepiece (Figure 3). Due to the large amount of inward focus aligned with one another.
  • Page 5 Note: The center ring sticker need not ever be removed from To adjust the secondary mirror up-and-down in the focuser the primary mirror. Because it lies directly in the shadow of the drawtube, adjust the length of the two spider vanes perpen- secondary mirror, its presence in no way adversely affects the dicular to the focuser.
  • Page 6 Figure 8. The tilt of the primary mirror is adjusted by turning the Your StarBlast requires very little mechanical maintenance. three larger thumbscrews. The optical tube has a smooth painted finish that is fairly scratch-resistant.

  • Page 7: Specifications

    To clean the primary mirror, first carefully remove the mirror Mirror coatings: Aluminum with silocon cell from the telescope. For the StarBlast, you must completely dioxide (SiO ) overcoat unthread the three screws on the exterior perimeter of the mir-...

  • Page 8: One-Year Limited Warranty

    Warranty This Orion StarBlast Imaging OTA 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.

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