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Optical Design:Schmidt-Cassegrain
Aperture:125mm (4.92")
Focal Length:1250mm (49.2")
Focal Ratio:f/10
Focal Length of Eyepiece 1:25mm (0.98")
Magnification of Eyepiece 1:50x
Focal Length of Eyepiece 2:10mm (0.39")
Magnification of Eyepiece 2:125x
Finderscope:StarPointer™ red dot finderscope
Star Diagonal:1.25"
Optical Tube:Aluminum
Highest Useful Magnification:295x
Lowest Useful Magnification:18x
Limiting Stellar Magnitude:13
Resolution (Rayleigh):1.11 arc seconds
Resolution (Dawes):0.93 arc seconds
Light Gathering Power (Compared to human eye):329x
Secondary Mirror Obstruction:50mm (1.96")
Secondary Mirror Obstruction by Area:16%
Secondary Mirror Obstruction by Diameter:40%
Optical Coatings:Fully Coated
Optical Tube Length:355.6mm (14")
Optical Tube Diameter:180mm (17")
Optical Tube Weight:6.8 lbs (3.08 kg)
Dovetail:CG-5 Dovetail bar
Mount Type:Computerized Altitude-Azimuth Single Fork Arm
Instrument load capacity:8 lbs (3.6 kg)
Height adjustment range (includes mount and tripod):863.6mm - 1371.6mm (34" - 54")
Tripod leg diameter:31.75mm (1.25") Aluminum
Mount Head Weight:5 lbs (2.3 kg)
Accessory Tray:Yes. Includes rubberized smartphone or tablet holder
Tripod Weight:5 lbs (2.3 kg)
Slew Speeds:max slew rate is 3°/second
Tracking Rates:Sidereal, Solar, and Lunar
Tracking Modes:Alt-Az, EQ North and EQ South
Dovetail Compatibility:CG-5 Dovetail
Number of Auxiliary ports:2x AUX port for optional accessories
Autoguider port:No
USB Port:No (only with optional Nexstar+ remote)
Power Requirements:12V DC, 1A (Tip positive)
Motor Drive:DC servo motor
Alignment Procedures:SkyAlign, 3-Star Align, Solar System Align
Periodic Error Correction:No
Computerized Hand Control:Hand control not included (optional)
NexStar+ Database:Optional Nexstar+ hand remote provides over 40,000 objects in the computer's database
Software:Celestron Starry Night Special Edition Software and SkyPortal App. Each provide over 100,00 objects in their database
Total Kit Weight:16.8 lbs (7.6 kg)
Included Items:

Optical tube
Mount and tripod
Accessory tray
25mm and 10mm eyepieces
StarPointer™ red dot finderscope
Battery pouch

solar warning

Celestron is changing the way we experience astronomy, but changing the way you interact with the night sky. The Astro Fi 125 Schmidt-Cassegrain is a fully featured telescoped that can be controlled with your smart phone or tablet using the free Celestron SkyPortal app. Using the comprehensive and beautiful interactive star map of the sky, tap the object you Telescopeswant to view on your screen, and your telescope will point to it.


SKU: astrofi 5