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Celestron CGEM 925 HD

Celestron CGEM 925 HD
£4,390.00
Celestron CGEM 925 HD
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Type:
Catadioptric
Brand:
Celestron
Series:
CGEM
Warranty:
2 years
Weight:
17240 gram
Focal length:
2350 mm
GoTo system:
Yes
Tripod material:
Stainless steel

Stunning picture quality
The Celestron CGEM HD series 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. The light is sent in equal frequencies to the mirrors and eyepiece, making the image sharper because of the absence of colour dispersion. Furthermore, the HD version uses mirror locks to keep the mirrors on the right spot so 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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£4,390.00
Order before 15:00, delivered between Monday and Thursday 22nd
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Stunning picture quality
The Celestron CGEM HD series 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. The light is sent in equal frequencies to the mirrors and eyepiece, making the image sharper because of the absence of colour dispersion. Furthermore, the HD version uses mirror locks to keep the mirrors on the right spot so 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
  • 23 mm Axiom LX eyepiece
  • Very suitable for deep-sky observations
  • Superb picture quality
  • An absolute must for astrophotography
  • Full GoTo functionality
Read more about this product

Celestron CGEM 925 HD

See the stars in HD

Product description

Features

  • No unwanted aberration
  • 40,000 objects in database
  • 23 mm Axiom LX eyepiece
  • Very suitable for deep-sky observations
  • Superb picture quality
  • An absolute must for astrophotography
  • Full GoTo functionality

Stunning picture quality

The Celestron CGEM HD series 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. The light is sent in equal frequencies to the mirrors and eyepiece, making the image sharper because of the absence of colour dispersion. Furthermore, the HD version uses mirror locks to keep the mirrors on the right spot so 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 925 HD telescope

The catadioptric Celestron CGEM 925 HD 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 CGEM 925 HD 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 925 HD telescope has a focal length of 2350mm, making it ideal for deep-sky observations.

Mirrors and Coating

The telescope has a primary mirror with a diameter of 235mm. 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 Celestron CGEM 925 HD telescope 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 925 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 Celestron CGEM 925 HD telescope also 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 chromatic aberration
  • Great for astrophotography thanks to the superb image quality
  • Ergonomic design, easy to transport
  • 23mm Axiom LX eyepiece
  • NexRemote software 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 925 HD 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
  • 17240 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
  • 235 mm
Coating
  • StarBright XLT coating
Construction
  • Schmidt-Cassegrain
Focal length
  • 2350 mm
Primary mirror
  • Parabolic
Diameter secondary mirror
  • 85,09 mm
Obstruction percentage
  • 13,01%
Primary mirror diameter
  • 235 mm
Magnitude limit
  • 9,5 mag.
Resolving power
  • 0,5 arcsecond
Maximum useful magnification
  • 470×
Focal ratio
  • 1 : 10

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
  • 5
Easy to set up
  • 7
Easy to use
  • 9
Lunar/planetary observation
  • 8
Deep space observation
  • 9
Lunar/planetary photography
  • 8
Deep space photography
  • 9
Daytime terrestrial observation
  • 2

Accessories

Other accessories
  • Astro software
  • Erecting eyepiece
Eyepiece diameter ø
  • 2″
Eyepieces
  • 23mm
Number of eyepieces
  • 1 pc.
Viewfinder
  • 9x50
Counterweight
  • 7,7 kg

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Accessories

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