CCelestron C6-A-XLT (CG-5) OTA Optical Tube

 C6-A-XLT (CG-5) OTA Optical Tube
 
Features
- 6" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 1500 mm focal length (f/10)
- 25 mm eyepiece included (60x)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CG-5 Advanced Series mount
 
Specifications
- OPTICAL DESIGN: Schmidt-Cassegrain
- APERTURE: 150 mm (5.91 in)
- Focal length: 1500 mm (59.06 in)
- FOCAL RATIO: 10
- EYEPIECE 1: 25 mm (0.98 in)
- MAGNIFICATION 1: 60 x
- FINDERSCOPE: 6x30
- STAR DIAGONAL: 1.25
- OPTICAL TUBE: Aluminum - black
- FASTAR COMPATIBLE: No
- HIGHEST USEFUL MAGNIFICATION: 354 x
- LOWEST USEFUL MAGNIFICATION: 21 x
- LIMITING STELLAR MAGNITUDE: 13.4
- RESOLUTION (RAYLEIGH): 0.93 arcsec
- RESOLUTION (DAWES): 0.77 arcsec
- LIGHT GATHERING POWER: 459 x
- Angular field of view: .83 °
- LINEAR FIELD OF VIEW (@1000 YDS): 44 ft (13.41 m)
- SECONDARY MIRROR OBSTRUCTION: 2.2 in (55.88 mm)
- SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 37.3 %
- SECONDARY MIRROR OBSTRUCTION BY AREA: 13.9 %
- OPTICAL COATINGS: StarBright XLT
- OPTICAL TUBE LENGTH: 16 in (406.4 mm)
- OPTICAL TUBE WEIGHT: 10 lb (4.54 kg)
- DOVETAIL COMPATIBILITY: CG-5 Mount / Orange