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Grovers Toymaster 216 High Street, Northallerton DL78LW

A family business

Cassegrain

telescope design that combines a

spherical mirror with a lens in a

design that takes advantage of

all the surfaces being nearly

"spherically symmetrical"

 

Learn More About Cassegrain Telescopes

Cassegrain There are 125 products.

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Showing 1 - 30 of 125 items
  • £ 7,318.00 Delivery In 1-5 Days* Tax included

    SEE THE UNIVERSE IN HD!  Introducing Celestron's New Aplanatic Schmidt Telescope Design! EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. Visibly Sharper Images Superior Performance Enhanced Mechanical Features Fastar® Compatible

    £ 7,318.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 3,655.00 Delivery In 1-5 Days* Tax included

    EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. 

    £ 3,655.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 2,459.00 Delivery In 1-5 Days* Tax included

    Warranty: 2 years EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. 

    £ 2,459.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 1,280.00 Delivery In 1-5 Days* Tax included

    EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma, but also to give an astrograph quality flat focal plane all the way to the edge of the field of view.

    £ 1,280.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 1,280.00 Available To Order Tax included

    EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma, but also to give an astrograph quality flat focal plane all the way to the edge of the field of view.

    £ 1,280.00 Tax included
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  • £ 6,685.00 Available To Order Tax included

    £ 6,685.00 Tax included
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    Available To Order
  • £ 2,054.00 Delivery In 1-5 Days* Tax included

    Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. Each OTA is made to the same exacting standards as those used on all our high quality telescopes.

    £ 2,054.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • From £ 1,354.00 Delivery In 1-5 Days* Tax included

    Warranty: 2 years Importantly, a lens hood (right) will shield your view from stray light & dew fall.

    From £ 1,354.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • From £ 1,354.00 Delivery In 1-5 Days* Tax included

    Importantly, a lens hood (right) will shield your view from stray light & dew fall.

    From £ 1,354.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 1,069.00 1-5 Days Delivery* Tax included

    Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. Each OTA is made to the same exacting standards as those used on all our high quality telescopes. 

    £ 1,069.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • From £ 1,985.00 1-5 Days Delivery* Tax included
    Sale!

    Choose To Extend Your Warranty For Only £99.00 Leave your hand control behind and slew with a tap of your smartphone or tablet. Connect your device to NexStar Evolution’s built-in wireless network, and explore the universe with the Celestron mobile app for iOS and Android.

    From £ 1,985.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • From £ 1,949.00 Delivery In 1-5 Days* Tax included

    Advanced VX 8” EdgeHD: truly the ultimate entry-level astroimaging package. This package combines the groundbreaking new Advanced VX mount with Celestron’s best optics, the EdgeHD optical system. This setup offers the astroimager maximum versatility – allowing up to 3 different f-stop configurations. Choose To Extend Your warranty for only £99.00

    From £ 1,949.00 Tax included
    1-5 Days UK Delivery*
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  • From £ 1,755.00 Delivery In 1-5 Days* Tax included

    Choose To Extend Your warranty for only £99.00 Requires a power supply & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution. Lithium batteries are more expensive but out perform the lead acid options A reducer will widen & brighten your field of view. Seeing more...

    From £ 1,755.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 2,655.00 1-5 Days Delivery* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. A reducer (below) will widen & brighten your field of view. Seeing more objects & the...

    £ 2,655.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 2,095.00 Delivery In 1-5 Days* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. A reducer (below) will widen & brighten your field of view. Seeing more objects & the...

    £ 2,095.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 249.00 Delivery In 1-5 Days* Tax included
    New

    The STARQUEST Series is a lightweight, ‘grab-and-go’ range combining proven high quality Sky-Watcher telescope optics with a newly designed and well-engineered equatorial mount. The mount features a high quality clutch system, precision 122 gear-tooth/360° gearing on both axes and excellent stability with a maximum payload of 3kg.

    £ 249.00 Tax included
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  • £ 329.00 Delivery In 1-5 Days* Tax included
    New

    Unwanted Gift - In Mint condition as new with 2 Year Warranty Control via integrated WiFi using the free app for iPhone, iPad, and Android devices The Astro Fi 102mm Maksutov-Cassegrain with fully coated glass optics provides outstanding views the Moon and planets, as well as bright deep space objects beyond our Solar System. Read the critical product...

    £ 329.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 4,539.00 Available To Order Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. A reducer (right) will widen & brighten your field of view. Seeing more objects & the...

    £ 4,539.00 Tax included
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    Available To Order
  • £ 3,560.00 1-5 Days Delivery* Tax included

    The 9.25 is a favorite among astro imagers and discerning visual observers. CPC Deluxe 925 HD is specifically designed for astro imaging and optimized to reduce aberration across a wide field of view. This feature packed model comes standard with Celestron's renowned StarBright XLT multi-coatings and is compatible with a complete line of Celestron...

    £ 3,560.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 2,795.00 1-5 Days Delivery* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. A reducer (below) will widen & brighten your field of view. Seeing more objects & the...

    £ 2,795.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 5,455.00 1-5 Days Delivery* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. See Sky At Night 4.5 Star Review Below

    £ 5,455.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 4,455.00 Delivery In 1-5 Days* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. See Sky At Night 4.5 Star Review Below

    £ 4,455.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 3,340.00 Delivery In 1-5 Days* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution. Lithium batteries are more expensive but out perform the lead acid options. See Sky At Night 4.5 Star Review Below

    £ 3,340.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 4,306.00 1-5 Days Delivery* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. See Sky At Night 4.5 Star Review Below

    £ 4,306.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 3,359.00 1-5 Days Delivery* Tax included

    Aluminum Optical Tube Celestron's premium StarBright XLT coatings 2350 mm focal length (f/10) 25 mm eyepiece included (94x) Visual back allows for use with 1.25" accessories 6x30 finderscope to help accurately find objects Includes dovetail rail compatible with CGE mount See Sky At Night 4.5 Star Review Below

    £ 3,359.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 3,060.00 Delivery In 1-5 Days* Tax included

    This telescope requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution (right). Lithium batteries are more expensive but out perform the lead acid options. See Sky At Night 4.5 Star Review Below

    £ 3,060.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • From £ 1,515.00 1-5 Days Delivery* Tax included

    Choose To Extend Your warranty for only £99.00 Requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution. Lithium batteries are more expensive but out perform the lead acid options A reducer will widen & brighten your field of view. See more...

    From £ 1,515.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 11,160.00 1-5 Days Delivery* Tax included

    14" EdgeHD Optics Celestron premium StarBright XLT coatings CGX-L computerized Equatorial mount Heavy Duty stainless steel tripod adjustable from 38 - 55 9x50 finderscope with quick release bracket to help accurately find objects 2" Star diagonal provides more comfortable viewing position when observing objects that are high in the sky

    £ 11,160.00 Tax included
    1-5 Days UK Delivery*
    1-5 Days Delivery*
  • £ 6,690.00 Delivery In 1-5 Days* Tax included

    11" HD Optical Tube Assembly CGX-L EQ Mount and Tripod Celestron’s premium StarBright XLT coatings provide maximum light transmission See below for the Review from June 2017 of the UK astronomy magazine Astronomy Now Also below is the 4.5/5 Review in October 2017 issue of Sky at Night magazine

    £ 6,690.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
  • £ 5,455.00 Delivery In 1-5 Days* Tax included

    9.25" HD Optical Tube Assembly CGX-L EQ Mount and Tripod Celestron’s premium StarBright XLT coatings provide maximum light transmission A 9x50 finderscope, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2" eyepiece are all included

    £ 5,455.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
Showing 1 - 30 of 125 items