Celestron 4" Maksutov Optical Tube
  • Celestron 4" Maksutov Optical Tube

Celestron 4se Mak Optical Tube & Accessories

With Celestron StarPointer & 25mm EyePiece

Ideal for replacement of a faulty optical tube or to put on any compatible mount

£149.00
VAT included
Quantity
[email protected] for availability

 

Availability during Covid-19 - Check here

 

Delivery in 1-5 Days*

 

21 Day Returns

Featuring high-quality Maksutov-Cassegrain optics, the NexStar 4SE is an ideal telescope for observing and photographing the wonders of space.

Our superior StarBright XLT coatings, our revolutionary SkyAlign™ telescope alignment software and much more.

GENERAL DETAILS:

  • 4" Maksutov-Cassegrain telescope
  • SE combines the classic heritage of the original orange tube telescopes with the latest state-of-the-art features
  • StarBright XLT high transmission coatings come standard
  • StarPointer finderscope to help with alignment and accurately locating objects
  • Internal flip mirror for convenient viewing straight through (with optional diagonal) or at 90 degrees

TECHNICAL SPECIFICATIONS:

DOVETAIL COMPATIBILITY: Quick Release Tube Clamp 

OPTICAL TUBE: Aluminum 

EYEPIECE 1: 25 mm (0.98 in)

MAGNIFICATION 1: 53 x

STAR DIAGONAL: Internal Flip mirror for straight thru or 90 viewing angle 

HIGHEST USEFUL MAGNIFICATION: 240 x

LOWEST USEFUL MAGNIFICATION: 14 x

LIMITING STELLAR MAGNITUDE: 12.5 

RESOLUTION: 1.36 arc seconds

RESOLVING POWER: 1.14 arc seconds

LIGHT GATHERING POWER: 212 x

ANGULAR FIELD OF VIEW: 1 °

LINEAR FIELD OF VIEW (@1000 YDS): 52.5 ft (16 m)

SECONDARY MIRROR OBSTRUCTION: 1.38 in (35.05 mm)

SECONDARY MIRROR OBSTRUCTION BY AREA: 11 %

SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 35 %

 PDF Specification sheet for filters and dew straps

11049OTA

Data sheet

Optical Design
Maksutov Cassegrain
Aperture
4 inch
Focal Length
1325 mm
Focal Ratio
F13
Optical Coatings
Starbright XLT Coating
Optical Tube Length (mm)
13.5 inch
Magnification
52x
What is more important?
Image resolution over brightness
Warranty
Two Years
Normally on display?
Yes - But Check First If Making A Special Journey!

Specific References

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