Orion Optics - OMC 140

Specification
- Aperture 140mm (5.5 inches)
- Focal length 2000mm
- Focal ratio f/14.28
- Tube material high gloss aluminium
- Main mirror fine annealed Pyrex (aspheric)
- Corrector fine annealed Schott BK7 (A-R coated both sides)
- Maksutov-Cassegrain optics guaranteed to one-eighth wave)
- Computer-optimised multi-ring baffle system
- Diffraction limited to almost 30mm diameter field
- Mirror focusing to give long focal range
- Tube assembly weight 3.5kg (8 lbs)
- EQ5 Mount and Tripod
Orion Optics
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