Telescopes > Celestron > NexStar i > 5i

Celestron NexStar 5i Schmidt-Cassegrain


Optical Design
5" Schmidt-Cassegrain
Focal Length
1250mm f/10
Finderscope
Starpointer
Mount
Altazimuth, Fork Arm
Motor Drive
Integrated Dual Axis Servo
Eyepiece
1-1/4" -25mm Plossl (50x)
Star Diagonal/Erect Image Eyepiece
1-1/4"
Hand Control
Electronic Hand Control
Slew Speeds
Six slew speeds
Tracking Modes
Alt-Az, EQ North, EQ South, Off

Highest Useful Magnification
300x
Lowest Useful Magnification
18x
Limiting Stellar Magnitude
13
Resolution: Rayleigh
1.1arcseconds
Dawes Limit
.91 arcseconds
Photographic Resolution
200 lines/mm
Light Gathering Power
329x unaided eye
Field Of View: standard eyepiece
1 degree
Linear FOV (@1000 yd.)
52.5 ft.
Secondary Mirror Obstruction
1.75" (12% by area,
35% by diameter)
Optical Coatings
StarBright Coating
Optical Tube Length
11"
Power Requirements
12VDC 1.5A
Telescope Weight
17.6 lb.
     

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