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Celestron CGEM 800 HD

Celestron CGEM 800 HD
£3,095.00
Celestron CGEM 800 HD
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Type:
Catadioptric
Brand:
Celestron
Series:
CGEM
Warranty:
2 years
Weight:
5900 gram
Focal length:
2032 mm
GoTo system:
Yes
Tripod material:
Stainless steel

Celestron CGEM 800 HD
The Celestron CGEM 800 HD is part of the Celestron CGEM HD series which is the advanced version of the CGEM series. The telescopes of the CGEM HD series are unique in that the lens used has absolutely no chromatic aberration whatsoever. The light is sent to the mirrors and the eyepiece in equal frequencies, making the image sharper because of the total absence of colour dispersion. Furthermore, the HD version uses mirror locks to keep the mirrors on the right spot. This way, the image remains stable. The result is an image that is almost three times sharper than that of a standard Schmidt-Cassegrain telescope. The Celestron CGEM HD series may therefore rightly be called "HD".

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£3,095.00
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Celestron CGEM 800 HD
The Celestron CGEM 800 HD is part of the Celestron CGEM HD series which is the advanced version of the CGEM series. The telescopes of the CGEM HD series are unique in that the lens used has absolutely no chromatic aberration whatsoever. The light is sent to the mirrors and the eyepiece in equal frequencies, making the image sharper because of the total absence of colour dispersion. Furthermore, the HD version uses mirror locks to keep the mirrors on the right spot. This way, the image remains stable. The result is an image that is almost three times sharper than that of a standard Schmidt-Cassegrain telescope. The Celestron CGEM HD series may therefore rightly be called "HD".

  • No unwanted aberration
  • 40.000 objects in database
  • Ergonomic design
  • GoTo functionality
  • Expandable with GPS
  • Superb picture quality
  • An absolute must for astrophotography
Read more about this product

Celestron CGEM 800 HD

Schmidt-Cassegrain with mirrors without any chromatic aberration whatsoever

Product description

Features

  • No unwanted aberration
  • 40.000 objects in database
  • Ergonomic design
  • GoTo functionality
  • Expandable with GPS
  • Superb picture quality
  • An absolute must for astrophotography

Celestron CGEM 800 HD

The Celestron CGEM 800 HD is part of the Celestron CGEM HD series which is the advanced version of the CGEM series. The telescopes of the CGEM HD series are unique in that the lens used has absolutely no chromatic aberration whatsoever. The light is sent to the mirrors and the eyepiece in equal frequencies, making the image sharper because of the total absence of colour dispersion. Furthermore, the HD version uses mirror locks to keep the mirrors on the right spot. This way, the image remains stable. The result is an image that is almost three times sharper than that of a standard Schmidt-Cassegrain telescope. The Celestron CGEM HD series may therefore rightly be called "HD".

Celestron CGEM 800 HD telescope

The catadioptric Celestron CGEM 800 telescope with equatorial mount has been ergonomically designed and has a fresh, bold and attractive appearance. The mount is suitable for astrophotography as well as for "normal" observations. The Celestron CGEM 800 comes with NexRemote software for the telescope which can be used in combination with your PC. Moreover, the telescope is easy to (dis)assemble and transport. The Celestron CGEM 800 HD telescope has a focal length of 2032mm, making it ideal for deep-sky observations.

Celestron CGEM 800 HD telescope: m

irrors and coating 

The Celestron CGEM 800 HD telescope has a primary mirror with a 203.2mm diameter. The mirror features the unique Celestron Starbright coating; this coating ensures that the mirror is stronger and reflects more light. Also, it renders the surface of the mirror more even and directs the light more accurately to the secondary mirror. The coating consists of several layers: Celestron have used aluminium, titanium and magnesium.

CGEM database GoTo

The database of the CGEM 800 HD contains over 40,000 celestial objects including Messier objects, the Caldwell Catalog, NGC systems, nebulae and planets. A special identification feature tells you where to look, but you can also take a tour through the sky. For example: point the telescope somewhere, let it identify the Messier objects and the CGEM 800 HD will automatically show the five nearest objects; that is GoTo at its best. The GoTo is easy to operate with the included remote control which has a bright LCD display.

Alignment

The CGEM 800 HD features a revolutionary alignment method: All-Star Polar Alignment. Using the software, you align the telescope by selecting a bright star; alignment is possible even without seeing the North Star.

Specifications

  • No unwanted aberration
  • Great for astrophotography thanks to the superb image quality
  • Ergonomic design, easy to transport
  • Erecting eyepiece
  • NexRemote software which allows you to use the telescope with your PC
  • Full GoTo with more than 40.000 objects in the database
  • Periodic Error Control; permanently programmable
  • Steel tripod
  • Equatorial mount with tracking motor

Astrophotography

With the right camera adapter and T2 ring the Celestron CGEM 800 HD telescope is ideal for astrophotography. The stunning HD images from the telescope make photographing celestial bodies a lot of fun. Below are some images created using this telescope.



Product specifications

General

Type
  • Catadioptric
Brand
  • Celestron
Series
  • CGEM
Warranty
  • 2 years
GoTo system
Mounting
  • Parallactic/Equatorial
Power supply
  • 12V DC
Tracking motor
Slow motion controls
  • Electric RA and DEC

Dimensions & Weight

Weight
  • 5900 gram

General functions

GPS

Tripod specifications

Tripod material
  • Stainless steel
Max. carrying capacity
  • 18,14 kg
Tripod weight
  • 34,02 kg

Optics

Objective diameter ø
  • 203,2 mm
Coating
  • StarBright XLT coating
Construction
  • Schmidt-Cassegrain
Focal length
  • 2032 mm
Primary mirror
  • Parabolic
Diameter secondary mirror
  • 68,58 mm
Obstruction percentage
  • 11,4%
Primary mirror diameter
  • 203,2 mm
Magnitude limit
  • 9,4 mag.
Resolving power
  • 0,6 arcsecond
Maximum useful magnification
  • 406×
Focal ratio
  • 1 : 10
Built-in mount for polar alignment

GoTo

Hemisphere operation
  • Northern and Southern
Autostar objects
  • 40000 objects
Tracking speeds
  • moon
  • sidereal
  • solar
Slew Speeds RA
  • 0,5×
  • 16×
  • 64×
Slew Speeds DEC
  • 1°/sec
  • 2°/sec
  • 5°/sec

Ratings

Suitable for
  • advanced users
Easy to transport
  • 8
Easy to set up
  • 7
Easy to use
  • 7
Lunar/planetary observation
  • 8
Deep space observation
  • 9
Lunar/planetary photography
  • 8
Deep space photography
  • 9
Daytime terrestrial observation
  • 8

Accessories

Other accessories
  • Astro software
  • Erecting eyepiece
Eyepiece diameter ø
  • 1,25″
Eyepieces
  • 40mm
Number of eyepieces
  • 1 pc.
Viewfinder
  • 9x50
Counterweight
  • 7,7 kg

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Accessories

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