Celestron OmniXLT 102 Optical Tube Assembly with Upgraded 2" GSO Focuser (Pre-Owned)
In Stock
Regular price
$550.00 CAD
Regular price
$650.00 CAD
Sale
Sale price
$550.00 CAD
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Product details
- SKU USED13579
- Refractor telescope with 4" diameter objective lens, aspheric ED glass element, diffraction limited optics and seamless aluminum main tube
- High quality optics starting with each lens and/or mirror being hand-selected so only the finest grade of optical glass is used
- StarBright XLT coatings provide maximized light transmission
- Upgraded with a GSO 2" Crayford Focuser Dual Speed ($200 in value!)
- Hard storage Case included
Technical Specifications:
- Clear aperture - 102mm (4.02 in.)
- Focal length - 900mm (35.43 in.)
- Focal Ratio - 8.82 (f/8.8)
- Highest useful magnification - 241x (at 60 power per inch)
- Lowest useful magnification - 15x
- Limiting stellar magnitude - 12.5
- Resolution (Rayleigh) - 1.37 arcsec
- Resolution (Dawes) - 1.14 arcsec
- Light gathering power - 212x the human eye
- Angular field of view - 1.25 degrees
- Optical tube length - 37 in.
- Optical tube weight - 8 pounds
- Mounting Rings included