SPECIFICATION :-
Brand | Celestron |
Optical Design: | Newtonian Reflector |
Aperture: | 130mm (5.11") |
Focal Length: | 650mm (25.6") |
Focal Ratio: | f/5 |
Focal Length of Eyepiece 1: | 20mm (.78") with built-in erect image corrector |
Magnification of Eyepiece 1: | 33x |
Focal Length of Eyepiece 2: | 10mm (.4") standard |
Magnification of Eyepiece 2: | 65x |
Barlow Lens: | Not Included |
Finderscope: | Built-on StarPointer™ red dot finderscope |
Star Diagonal: | None |
Optical Tube: | Aluminum |
Highest Useful Magnification: | 307x |
Lowest Useful Magnification: | 19x |
Limiting Stellar Magnitude: | 13.1 |
Resolution (Rayleigh): | 1.07 arc seconds |
Resolution (Dawes): | .89 arc seconds |
Light Gathering Power (Compared to human eye): | 345x |
Secondary Mirror Obstruction: | 44mm (1.73") |
Secondary Mirror Obstruction by Diameter: | 34% |
Secondary Mirror Obstruction by Area: | 11% |
Optical Coatings: | TBD |
Optical Tube Length: | 610mm (24") |
Optical Tube Diameter: | TBD |
Optical Tube Weight: | TBD |
Dovetail: | CG-3 Dovetail bar |