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Celestron 700 f/15 Maksutov-Cassegrain OTA

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Accessories Added

  • A 7-Inch Maksutov-Cassegrain Telescope
  • f/15 Focal Ratio
  • High Contrast Views of the Planets and Lunar Landscapes
  • Up to 420x Magnification!



Celestron 700 f/15 Maksutov-Cassegrain OTA

The Celestron 700 f/15 Maksutov-Cassegrain OTA, 7-Inch (180 mm) aperture telescope:

The 700 Maksutov-Cassegrain CGX telescope (CGX 700 Mak) is a specialized instrument designed for detailed, high contrast views of smaller celestial objects like the planets. With the Maksutov-Cassegrain optical tube and sturdy equatorial mount and tripod, this kit will provide unparalleled views of the planets and up-close views of the lunar surface, including craters and maria, Maks are also well suited to hunting smaller, fainter, deep sky objects such as globular clusters and planetary nebulae.  Astronomers located in urban astronomers will appreciate the Mak's ability to bring out more contrast in celestial objects. Transporting the entire system to a dark site is not a problem either. The optical tube, mount head, tripod, counterweight bar, and counterweight all disassemble, with no tools required, into separate manageable pieces.


Maksutov-Cassegrain Optical Design


The Mak is a catadioptric telescope, which means the optical design includes both a lens and a mirror. The light coming through a Mak passes through the corrector lens to the primary mirror and back to a spherical secondary mirror before it hits your eyepiece. Images are bright, sharp, and virtually free of chromatic aberration. 

The Maksutov-Cassegrain's optical design offers several unique benefits. Instead of a secondary mirror, the Mak features a "secondary spot" of reflective coating applied directly to the inside of the corrector plate. Because of this, the telescope does not require frequent collimation like a Schmidt-Cassegrain. This secondary spot is significantly smaller than a traditional Schmidt-Cassegrain secondary mirror, allowing you to capture the signature high-contrast views offered by the Maksutov-Cassegrain design.


An important thing to note about Maksutov-Cassegrain telescopes when compared to a Schmidt-Cassegrain of the same aperture; the larger, heavier Maksutov corrector plate will take longer to cool down and adjust to ambient air temperatures.




Aperture180 mm (7")
Camera/Eyepiece Connection2" Nosepiece
Dawes Limit0.64 arcseconds
Focal Length2700 mm
Focal Ratiof/15
Free ShippingYes
Hightest Magnification360x
Light Gathering Power661x
Limiting Magnitude15
Optical CoatingsStarBright XLT
Optical DesignMaksutov Cassegrain
Secondary Obstruction40mm
Tube Diameter222.25mm
Tube Length571.5mm
Tube MaterialAluminum
Tube Weight19 lbs


  • Celestron 700 f/15 Maksutov-Cassegrain OTA
  • 8x50 Straight Through Finderscope
  • 2-Inch Visual Back
  • 2-Inch Star Diagonal 
  • 2-Inch to 1.25-Inch Adapter
  • 2-Inch Eyepiece: 28 mm (96x magnification)
  • CGE Dovetail Plate
  • 2 Year Manufacturer's Telescope Warranty