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specificationsOptical 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"
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 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;
(800)-676-1343.
orion telescopes & Binoculars
89 Hangar Way, Watsonville, ca 95076