Details
- 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
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: 360.24 x
LOWEST USEFUL MAGNIFICATION: 21.43 x
LIMITING STELLAR MAGNITUDE: 187.5
RESOLUTION: 2704254.94 arcsec
RESOLVING POWER: 0.77 arcsec
LIGHT GATHERING POWER: 21.43 x
ANGULAR FIELD OF VIEW: .83 °
LINEAR FIELD OF VIEW (@1000 YDS): 43.8 ft (13.35 m)
SECONDARY MIRROR OBSTRUCTION: 2.2 in (55.88 mm)
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 5681.51 %
SECONDARY MIRROR OBSTRUCTION BY AREA: 299970 %
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
Additional Information
| Model | 91010-XLT |
|---|---|
| Weight | 15.0000 |
| Angular Field of View | .83 ° |
| Aperture | 150 mm (5.91 in) |
| Dovetail Compatibility | CG-5 Mount |
| Eyepiece 1 | 25 mm (0.98 in) |
| Fastar Compatible | No |
| Finderscope | 6x30 |
| Focal Length | 1500 mm (59.06 in) |
| Focal Ratio | 10 |
| Magnification 1 | 60 x |
| Optical Tube | Aluminum - black |
| Optical Tube Length | 16 in (406.4 mm) |
| Optical Tube Weight | 10 lbs (4.54 kg) |
| Resolution (Dawes) | 0.77 arcsec |
| Resolution (Rayleigh) | 0.93 arcsec |
| Secondary Mirror Obstruction | 2.2 in (55.88 mm) |
| Secondary Mirror Obstruction by Area | 13.9 % |
| Secondary Mirror Obstruction by Diameter | 37.3 % |
| Star Diagonal | 1.25 |
| Special Message | while the supplies last |
