OMNI XLT 102 CELESTRON

Features General Features High quality optics start 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 25 mm multi-coated eyepiece - 20 mm eye relief, 50° FOV 1.25" star diagonal CG-4 German Equatorial mount with setting circles and slow motion controls - to accurately locate and track sky objects Ball bearings in both axis of the mount for smooth performance Heavy-duty pre-assembled stainless steel tripod featuring 1.75" legs, accessory tray and bubble level Easy no-tool setup Product Description Omni XLT series features the stable platform of the CG-4 mount and high quality optics. Using aspheric shaping technology in conjunction with hand-figuring the optics the Omni XLT presents an image with virtually no spherical aberration. We also added our famous StarBright XLT coating system to further enhance light transmission. Specification Optical Design : Refractor Aperture ( mm) : 102 mm ( 4.02 in) Focal Length ( mm) : 1000 mm ( 39 in) Focal Ratio : 9.8 Eyepiece 1 ( mm) : 25 mm ( 0.98 in) Magnification 1 : 40 x Finderscope : 6x30 Mount : Omni CG-4 Equatorial Tripod Legs : 1.75" Stainless Weight ( lbs) : 43 lbs ( 20 kg) Highest Useful Magnification : 241 x Lowest Useful Magnification : 15 x Limiting Stellar Magnitude : 12.5 Resolution ( Rayleigh) : 1.37 arc seconds Resolution ( Dawes) : 1.14 arc seconds Light Gathering Power : 212 x Angular Field of View ( deg) : 1.25 ° Linear Field of View ( @ 1000 yds) : 66 ft ( 20 m) Optical Coatings : StarBright XLT Optical Tube Length : 39.5 in ( 1003 mm) Optical Tube Weight : 9.5 lbs ( 4.31 kg) EQ Mount Weight : 21 lbs ( 9.53 kg) Tripod Weight : 12.5 lbs ( 5.67 kg) Counterweights : 7 lbs ( 3.2 kg) and 4 lbs ( 1.8 kg)