celestron nextstar 90 slt OTA only no tripod. Works as it should some cosmetic damage see photos. This does not effect its use. comes with 90 degree eye piece 10 and 20mm lenses and lense cover. Specifications Optical Design Maksutov-Cassegrain Aperture 90mm Focal Length 1250mm Focal Ratio f/14 Highest Useful Magnification 213x Lowest Useful Magnification 13x Limiting Stellar Magnitude 12.3 Resolution (Rayleigh) 1.55 arc seconds Resolution (Dawes) 1.29 arc seconds Light Gathering Power (Compared to human eye) 165x Apparent Field of View 1 deg Linear Field of View (@1000 yds) 53 ft (16 m) Optical Coatings Fully-Coated
eBay