Detail Harga Jual Celestron C14-A XLT ( CGE) Optical Tube Assembly
OVERVIEW
14" Schmidt-Cassegrain Optical Tube Assembly
Aluminum Optical Tube
Celestron' s premium StarBright XLT coatings
3910 mm focal length ( f/ 11)
40 mm 1.25" eyepiece included ( 98x)
Visual back allows for use with 2" accessories
9x50 finderscope to help accurately find objects
2" mirror diagonal provides more comfortable viewing position when observing objects that are high in the sky
Includes dovetail rail compatible with CGE mount
ITEM # 91037-XLT
DISCONTINUED
Description
General Features
14" Schmidt-Cassegrain Optical Tube Assembly
Aluminum Optical Tube
Celestron' s premium StarBright XLT coatings
3910 mm focal length ( f/ 11)
40 mm 1.25" eyepiece included ( 98x)
Visual back allows for use with 2" accessories
9x50 finderscope to help accurately find objects
2" mirror diagonal provides more comfortable viewing position when observing objects that are high in the sky
Includes dovetail rail compatible with CGE mount
Specifications
Optical Design Schmidt-Cassegrain
Aperture ( mm) 355.6 mm ( 14 in)
Focal Length 3910 mm ( 154 in)
Focal Ratio 11
Focal Length of Eyepiece 1 ( mm) 40 mm ( 1.57 in)
Magnification of Eyepiece 1 98 x
Finderscope 9x50
Star Diagonal 1.25
Optical Tube Aluminum
Highest Useful Magnification 840 x
Lowest Useful Magnification 51 x
Limiting Stellar Magnitude 15.3
Resolution ( Rayleigh) 0.39 arc seconds
Resolution ( Dawes) 0.33 arc seconds
Light Gathering Power ( Compared to human eye) 2581 x
Secondary Mirror Obstruction 4.5 in ( 114 mm)
Secondary Mirror Obstruction by Diameter 32%
Secondary Mirror Obstruction by Area 10%
Optical Coatings StarBright / XLT
Optical Tube Length 31 in ( 787 mm)
Optical Tube Weight 45 lbs ( 20 kg)
Dovetail Compatibility CGE Mount
Technology
StarBright XLT
Warranty 2 Years
Tampilkan Lebih Banyak