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Grovers Optics & Photo. 216 High Street. Northallerton

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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 133 products.

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Showing 1 - 30 of 133 items
  • From £ 499.00 Delivery In 1-5 Days* Tax included

    Omni XLT series features the stable platform of the CG-4 mount and high quality optics. Using aspheric shaping technology in conjunction with hand-figuring the optics the Omni XLT presents an image with virtually no spherical aberration. We also added our famous StarBright XLT coating system to further enhance light transmission.

    From £ 499.00 Tax included
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  • £ 975.00 Delivery In 1-5 Days* Tax included

    Easily the best value for money 7" Mak available.

    £ 975.00 Tax included
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  • From £ 1,944.00 Delivery In 1-5 Days* Tax included

    Extend Your Warranty To 2 Years For Only £99 180mm (7”) f/2700 Computerised GOTO Maksutov-Cassegrain Telescope

    From £ 1,944.00 Tax included
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  • £ 2,214.00 Delivery In 1-5 Days* Tax included

    180mm (7”) f/2700 Computerised GOTO Maksutov-Cassegrain Telescope

    £ 2,214.00 Tax included
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  • £ 1,674.00 Delivery In 1-5 Days* Tax included

    180mm (7”) f/2700 Computerised GOTO Maksutov-Cassegrain Telescope

    £ 1,674.00 Tax included
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  • £ 1,568.00 Delivery In 1-5 Days* Tax included

    £ 1,568.00 Tax included
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  • £ 599.00 Delivery In 1-5 Days* Tax included

    A rival to the Celestron C6 OTA for performance, albeit not for wide-field imaging or for cool-down time. An excellent lunar and planetary telescope, both for imaging and observing.

    £ 599.00 Tax included
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  • £ 1,298.00 Delivery In 1-5 Days* Tax included

    150mm (6") f/1800 Computerised GO-TO Maksutov-Cassegrain Telescope Highest Practical Power (Potential): x450 Diameter of Primary Mirror: 150mm Eyepieces Supplied (2”): 28mm 2”/50.8mm Star Diagonal EQ5 SynScanTM Computerised GOTO Equatorial Mount (Requires 12 volt DC Power Supply) Built-in Polar Alignment Scope Holder

    £ 1,298.00 Tax included
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  • £ 799.00 Out of stock Tax included

    New & Unused Optical Tube. The mount & tripod are used but in Very Good Condition. All sold with a 1 Year warranty. The NexStar 6 SE has all the same features as Celestron's most advanced computerized GoTo telescopes, including our revolutionary SkyAlign™ alignment technology, a sky tour feature, a database of over 40,000 celestial objects and...

    £ 799.00 Tax included
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  • £ 1,199.00 Out of stock Tax included

    Nearly New & In Excellent Condition. Sold with a 1 Year warranty. With NEW 7ah PowerTank, Used Lenshood & Used SkyQ Link 2. More than GBP1500 when new. No shipping carton - collection in-store only. The largest of the NexStar SE family with 78% more light gathering than a 6" model, the NexStar 8 SE will enable you to see deep into the Universe.

    £ 1,199.00 Tax included
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  • From £ 1,199.00 Out of stock Tax included

    The mount & tripod is new & unused with a 2 Year Warranty. The optical tube is used but newly serviced. The WiFi control with the SkyPortal App works normally. £150 Saving On a completely new telescope. A reducer will brighten your view, seeing more objects & the view is optimised for imaging (photography). A lens hood will shield stray light & dew fall

    From £ 1,199.00 Tax included
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  • From £ 1,789.00 Out of stock Tax included

    The mount & tripod is new & unused with a 2 Year Warranty. The optical tube is used but newly serviced. The WiFi control with the SkyPortal App works normally. Saving £200 on a new Evolution 8 Telescope. Choose To Extend Your Warranty For Only £99.00

    From £ 1,789.00 Tax included
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  • £ 389.00 Out of stock Tax included

    New Optical Tube & Tripod. Used Mount & not "Nexstar +", the current version. This should not worry you & the telescope has a 6 Month Warranty. Featuring high-quality Maksutov-Cassegrain optics, the NexStar 4SE is an ideal telescope for observing and photographing the wonders of space.

    £ 389.00 Tax included
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  • £ 879.00 Out of stock Tax included

    New Optical Tube & Tripod With 2 Year Warranty. The mount with Hand Controller is used & comes with a 1 Year warranty. This hybrid benefits from a 6x30 finderscope with crosshair that can be calibrated, where as the 6se has a very basic starpointer. Please note the position of the Celestron logo & focuser. The colour is the only other...

    £ 879.00 Tax included
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  • £ 649.00 Delivery In 1-5 Days* Tax included

    Control your telescope via integrated WiFi using the free Celestron SkyPortal app for iPhone, iPad, and Android devices The Astro Fi 125mm Schmidt-Cassegrain with fully coated glass optics provides outstanding views the Moon and planets, as well as bright deep space objects beyond our Solar System.

    £ 649.00 Tax included
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  • From £ 649.00 Delivery In 1-5 Days* Tax included

    Celestron’s innovative NexStar Star Location Telescope (SLT) has been a customer favorite for years thanks to its unique combination of high quality optics, user-friendly computerized interface and a sturdy single fork arm mount.  See the "Astronomy Now" Review below

    From £ 649.00 Tax included
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  • From £ 549.00 Delivery In 1-5 Days* Tax included

    Choose To Extend Your warranty for only £49.00 Rechargeable power supplies are cheaper to use & a more reliable source of power. AA rechargeables can not be used but you can use alkaline or lithium - but are more expensive over time A lens hood will shield stray light & dew fall

    From £ 549.00 Tax included
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  • From £ 1,199.00 Delivery In 1-5 Days* Tax included

    Choose To Extend Your warranty for only £49.00 Rechargeable power supplies are cheaper to use & a more reliable source of power. AA rechargeables can not be used but you can use alkaline or lithium - but are more expensive over time A lens hood will shield stray light & dew fall

    From £ 1,199.00 Tax included
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  • From £ 1,349.00 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

    From £ 1,349.00 Tax included
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  • £ 239.00 Delivery In 1-5 Days* Tax included

    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.

    £ 239.00 Tax included
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  • £ 329.00 Out of stock Tax included

    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
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  • Grovers gift vouchers can be spent with us both On-line or In-store. Great when you want a gift but can not be sure exactly what. 5% Discount when buying vouchers for £100 or more (up to a maximum discount is £50) Perfect for any occasion: Christmas, Anniversary, Retirement, Leaving, Birthdays & for someone special Order Now

  • From £ 479.00 Delivery In 1-5 Days* Tax included

    Choose To Extend Your warranty for only £49.00 Rechargeable power supplies are cheaper to use & a more reliable source of power. AA rechargeables can not be used but you can use alkaline or lithium - but are more expensive over time. A lens hood will shield stray light & dew fall.

    From £ 479.00 Tax included
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  • From £ 719.00 Delivery In 1-5 Days* Tax included

    Choose To Extend Your warranty for only £49.00 Rechargeable power supplies are cheaper to use & a more reliable source of power. AA rechargeables can not be used but you can use alkaline or lithium - but are more expensive over time. A reducer will brighten your view, seeing more objects & the view is optimised for imaging (photography). A lens...

    From £ 719.00 Tax included
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  • £ 289.00 Delivery In 1-5 Days* Tax included

    Ideal No Fuss, Grab-and-Go Telescope for Easy Visual Astronomy as well as High Power Daytime Terrestrial Observations!!  The compact but powerful SKYMAX-102 is ideal for the observation of double-stars, and the surface detail of the Moon and bright planets. Its high-resolution, long focal length optical system is multi-coated to maximise contrast and...

    £ 289.00 Tax included
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  • £ 499.00 Delivery In 1-5 Days* Tax included

    Ideal Grab-and-Go Telescope for Easy Visual Astronomy as well as High Power Daytime Terrestrial Observations!  The compact but powerful SKYMAX-127 is ideal for the observation of double-stars, and the surface detail of the Moon and bright planets. Its high-resolution, long focal length optical system is multi-coated to maximise contrast and image sharpness.

    £ 499.00 Tax included
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  • From £ 435.00 Delivery In 1-5 Days* Tax included

    Extend Your Warranty To 2 Years For Only £49 The lightweight and highly portable Sky-Watcher SKYMAX-102 (AZ-GTi), has been designed to be controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android. The telescope can be used anywhere, without any reliance on other WiFi or mobile networks.

    From £ 435.00 Tax included
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  • From £ 549.00 Delivery In 1-5 Days* Tax included

    The highly portable Sky-Watcher SKYMAX-127 (AZ-GTi), has been designed to be controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android. The AZ-GTi mounting, with it's built-in WiFi module, creates it’s very own Wi-Fi network, so the mount can be used anywhere, without any reliance on other WiFi or mobile networks.

    From £ 549.00 Tax included
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  • £ 149.00 Out of stock Tax included

    With Celestron StarPointer & 25mm EyePiece Ideal for replacement of a faulty optical tube or to put on any compatible mount

    £ 149.00 Tax included
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  • From £ 499.00 Delivery In 1-5 Days* Tax included

    Choose To Extend Your warranty for only £49.00 A reducer will brighten your view, seeing more objects & the view is optimised for imaging (photography). A lens hood will shield stray light & dew fall.

    From £ 499.00 Tax included
    1-5 Days UK Delivery*
    Delivery In 1-5 Days*
Showing 1 - 30 of 133 items