Celestron 6 Inch Newtonian OTA

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Celestron 6 Inch Newtonian OTA
AUD $699.00

Availability: In Stock

Celestron 6 Inch Newtonian OTA – Optical Tube Assembly for Astronomy and Visual Observation



  • 6" (150 mm) f/5 optical design gives excellent wide field views

  • Parabolic primary mirror minimizes spherical aberration to produce a better image

  • 150mm aperture

  • 750mm focal length (F/5.0)

  • Optical tube material: Aluminum

  • CG-5 dovetail bar for compatibility with Advanced VX and other Vixen-style mounts

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Details

For those new to astronomy and astroimaging, the Celestron 6" Newtonian is an excellent entry-level setup that can grow with you. The Newtonian optical design is excellent for visual observing and offers you the largest aperture for the price. Combined with the Advanced VX mount, you'll have all the tools you need to learn the basics of imaging.

The 6" (150mm) f/5 parabolic primary mirror minimizes spherical aberration to produce a better image, and the aluminum optical tube features a CG-5 dovetail bar for easy mounting on compatible equatorial and alt-azimuth mounts.

Additional Information

Specifications
Specification Value
Optical Design Newtonian Reflector | Parabolic Primary Mirror
Aperture 150mm (6")
Focal Length 750mm (30")
Focal Ratio f/5
Focal Length of Eyepiece 1 20mm (.8")
Magnification of Eyepiece 1 38x
Finderscope 6x30
Star Diagonal N/A
Optical Tube Aluminum
Highest Useful Magnification 354x
Lowest Useful Magnification 21x
Limiting Stellar Magnitude 13.4
Resolution (Rayleigh) .93 arc seconds
Resolution (Dawes) .77 arc seconds
Light Gathering Power (vs. human eye) 459x
Secondary Mirror Obstruction 44mm (1.75")
Secondary Mirror Obstruction by Diameter 30%
Secondary Mirror Obstruction by Area 8.78%
Optical Coatings Fully Coated
Optical Tube Length 686mm (27")
Optical Tube Diameter 184.15mm (7.25")
Optical Tube Weight 10 lbs (4.54 kg)
Dovetail CG-5 Dovetail bar

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