Руководство по эксплуатации Orion

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INSTRUCTION MANUAL
100mm f/9 ED Refractor
#9975 Optical Tube Assembly
Dew/Glare shield
Machined aluminum lens cell
Finder scope dovetail mount
2" Crayford focuser
1.25" Eyepiece
adapter
Focus wheel (2)
Crayford focuser tension
thumbscrew
Figure 1. The 100mm f/9 ED Refractor optical tube assembly
Use of Optional Eyepieces, Diagonal, and Finder
Congratulations on your purchase of an Orion 100mm f/9 ED
Scope
refractor optical tube. Your 100mm f/9 ED has been designed
with high quality optics

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To use 2" eyepieces, simply loosen the two large thumbscrews astronomical objects emit a spectrum comprised of many dif- on the 2" adapter (Figure 1). Once these thumbscrews are ferent wavelengths of light, so each wavelength will be bent loosened, the entire back end of the focuser, including any by a slightly different amount when passing through a lens. 1.25" diagonal and eyepiece that may be attached, comes off, This results in each color of light reaching precise focus at a exposing the

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Specifications Optical tube: Seamless aluminum Objective lens diameter: 100mm (3.9") Objective lens: Apochromatic, rear element made of ED glass, air-spaced Objective lens coating: Fully multi-coated Lens cell: Machined aluminum Focal length: 900mm Focal ratio: f/9.0 Focuser: Crayford, accepts 1.25" or 2" accessories and camera T-Ring Weight: 7 lbs. Length: 35.5" 3

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One-Year Limited Warranty This 100mm f/9 ED Refractor 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 t