Description
4-inch aperture provides excellent light-gathering ability at an affordable price. You’ll get impressive views of the Moon and planets, along with deep sky objects like the Orion Nebula, while retaining a compact form factor.
Fully automated GoTo mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.
SkyAlign technology gets your telescope aligned and ready to observe in minutes. Even if you’re unfamiliar with the night sky, you can easily align your telescope on any three bright objects.
Unique single fork arm design and sturdy steel tripod all break down into separate components for easy transport and quick assembly.
Specifications
OPTICAL TUBE INFO: Optical Design: Maksutov-Cassegrain Aperture: 102mm (4.02") Focal Length: 1325mm (52") Focal Ratio: f/13 Focal Length of Eyepiece 1: 25mm (0.98") Magnification of Eyepiece 1: 53x Finderscope: StarPointer™ red dot finderscope Star Diagonal: Internal Flip mirror for straight thru or 90° viewing angle Optical Tube: Aluminum Highest Useful Magnification: 241x Lowest Useful Magnification: 15x Limiting Stellar Magnitude: 12.5 Resolution (Rayleigh): 1.37 arc seconds Resolution (Dawes): 1.14 arc seconds Light Gathering Power (Compared to human eye): 212x Secondary Mirror Obstruction: 35mm (0.38") Secondary Mirror Obstruction by Diameter: 34% Secondary Mirror Obstruction by Area: 12% Optical Coatings: StarBright XLT Optical Tube Length: 343mm (13.5") Optical Tube Diameter: 125mm (4.9") Optical Tube Weight: 6 lbs (2.7 kg) Dovetail: CG-5 Dovetail bar MOUNT INFO: Mount Type: Computerized Altitude-Azimuth Single Fork Arm Instrument load capacity: 10 lbs (4.54 kg) Height adjustment range (includes mount and tripod): 939.8mm - 2397mm (37" - 55") Tripod leg diameter: 38.1mm (1.5") Stainless Steel Mount Head Weight: 7 lbs (3.2 kg) Accessory Tray: Yes Tripod Weight: 10 lbs (4.54 kg) Slew Speeds: 9 slew speeds - max speed 3°/second Tracking Rates: Sidereal, Solar and Lunar Tracking Modes: Alt-Az, EQ North and EQ South GPS: N/A Dovetail Compatibility: CG-5 dovetail Number of Auxiliary Ports: 1x AUX Port Autoguide Port: No USB Port: Yes, Hand Control input Power Requirements: 8-AA batteries (not included) and 12 VDC-750 mA (Tip positive) Motor Drive: DC servo motors Alignment Procedures: SkyAlign, 1-Star Align, 2-Star Align, Auto 2-Star Align, Solar System Align, EQ North / EQ South Alignment (EQ align requires an equatorial wedge) Periodic Error Correction: No Computerized Hand Control: Double line, 18 character Liquid Crystal Display with 19 fiber optic backlit LED buttons NexStar+ Database: 38,181 accessible objects. Enhanced information on over 200 objects. Software: Celestron Starry Night Special Edition Software and SkyPortal App Total Kit Weight: 23 lbs (10.4 kg) Included Items: Optical tube
Single Fork Arm Mount and Tripod
Accessory Tray
Star Pointer Finderscope
Built-In Wedge
NexStar+ Hand Control
25mm eyepieceSolar Warning - Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.
- Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
- Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
top of page
Relevant Items
bottom of page
Reviews
I am using the 4SE mostly for planetary observation. The quality of this tube is amazing for this price.