Optical Design
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Newtonian Reflector
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Aperture
|
127mm
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Focal Length
|
1000mm
|
Focal Ratio
|
f/7.87
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Focal Length of Eyepiece 1
|
25mm
|
|
|
Focal Length of Eyepiece 2
|
10mm
|
|
|
Barlow Lens
|
2x (1.25″)
|
Finderscope
|
StarPointer™ red dot finderscope
|
Optical Tube
|
Steel
|
Highest Useful Magnification
|
300x
|
Lowest Useful Magnification
|
18x
|
Limiting Stellar Magnitude
|
13
|
Resolution (Rayleigh)
|
1.1 arc seconds
|
Resolution (Dawes)
|
.91 arc seconds
|
Light Gathering Power (Compared to human eye)
|
329x
|
Secondary Mirror Obstruction
|
41mm
|
Secondary Mirror Obstruction by Diameter
|
32%
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Secondary Mirror Obstruction by Area
|
10%
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Optical Coatings
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Glass mirrors coated with aluminum and SiO₂
|
Optical Tube Length
|
457.2mm
|
Optical Tube Diameter
|
165.1mm
|
Optical Tube Weight
|
3.44 kg
|
Dovetail
|
None
|
MOUNT INFO:
|
|
Mount Type
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Manual Alt-Azimuth
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Height adjustment range (includes mount and tripod)
|
Aluminum, 1320.8mm (52″) max height
|
Tripod Leg Diameter
|
31.75mm (1.25″) steel
|
Accessory Tray
|
Yes
|
Tripod Weight
|
1.72 kg
|
Slew Speeds
|
Manual
|
GPS
|
Uses phone’s GPS
|
Dovetail Compatibility
|
CG-5 Dovetail bar
|
Power Requirements
|
None (Recommend PowerTank Glow to keep phone charged while using app)
|
Alignment Procedures
|
Use StarSense Explorer app
|
Software
|
StarSense Explorer app | SkyPortal app | Celestron Starry Night Basic Edition Software
|
Total Kit Weight
|
5.17 kg
|
Included Items
|
Telescope tube | Mount/tripod (preassembled) | 25mm & 10mm eyepieces | 2x Barlow lens | StarPointer finderscope | Accessory tray | StarSense Explorer phone dock
|