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Grovers Toymaster 216 High Street, Northallerton DL78LW

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Diagonals and Prisms There are 55 products.

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  • £ 75.95 Delivery In 1-5 Days* Tax included

    A premium dielectric coated diagonal which is small and compact with very high quality machining and a super-hard black anodised chassis and silver sides. Delivers all the optical and mechanical quality you'd expect from a premium diagonal. New improved silver side version with anti-slip barrel and easy grip thumbscrew.

    £ 75.95 Tax included
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  • £ 119.00 Delivered In 2-3 Weeks Tax included

    Set includes: Diagonal, focusable 1¼ inch eyepiece holder and 1¼ inch barrel

    £ 119.00 Tax included
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  • £ 235.00 Delivered In 2-3 Weeks Tax included

    £ 235.00 Tax included
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  • £ 34.95 Delivery In 1-5 Days* Tax included

    Fits telescopes with 1.25” focusers or visual backs, 90º viewing angle, best for observing objects overhead. Accepts standard 1.25” eyepieces, Barlow lenses, and other accessories with a 1.25” insert barrel.

    £ 34.95 Tax included
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  • £ 34.95 Delivery In 1-5 Days* Tax included

    A great accessory for daytime terrestrial viewing with your telescope. This 1.25” diagonal produces right side up and left-to-right correct images when used with refractors and catadioptric (Schmidt-Cassegrain) telescopes. Inserts into 1.25” focusers or visual backs. Accepts standard 1.25” eyepieces.

    £ 34.95 Tax included
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  • £ 175.00 Delivered In 2-3 Weeks Tax included

    The new T-2 Maxbright Mirror Diagonal uses the proprietary Baader Maxbright all-dielectric mirror coatings, which delivers outstanding mirror flatness. Using this coating process, the prism delivers extremely bright and high contrast images well in front of the image plane with none of the degradation usually found on poorly manufactured alternatives.

    £ 175.00 Tax included
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  • £ 105.00 Delivery In 1-5 Days* Tax included

    A premium dielectric-coated star-diagonal with a high quality CNC machined chassis to hold extra heavy eyepieces. 

    £ 105.00 Tax included
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  • £ 105.00 Delivery In 1-5 Days* Tax included

    A premium dielectric-coated star-diagonal with a high quality CNC machined chassis to hold extra heavy eyepieces. 

    £ 105.00 Tax included
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  • £ 220.00 Delivered In 2-3 Weeks Tax included

    T-2 BBHS Mirror Diagonal, solid metal body only, with male/female T-2 thread (BBHS = broadband hardsilver coating with dielectric protective overcoating)

    £ 220.00 Tax included
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  • £ 429.00 Delivery In 2-3 Weeks Tax included

    2 Inch Universal Star Diagonal Prism

    £ 429.00 Tax included
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  • £ 525.00 Available To Order Tax included

    2 Inch / 90 degree Amici Erecting Prism

    £ 525.00 Tax included
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  • £ 74.00 Tax included

    45 degree Amici Erecting Prism for MaxBright Binoviewer, fitted with integral 2 x Glasspath Corrector and 1.25mm nosepiece.

    £ 74.00 Tax included
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  • £ 74.95 Delivery In 1-5 Days* Tax included

    A premium dielectric coated diagonal which is small and compact with very high quality machining and a super-hard black anodised chassis and silver sides. Delivers all the optical and mechanical quality you'd expect from a premium diagonal.

    £ 74.95 Tax included
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  • £ 54.95 Delivery In 1-5 Days* Tax included

    A premium 45 degree prism based diagonal which lets you use your astronomical telescope as a super high quality terrestrial spotting scope with your favourite astronomical eyepieces. (This is ideal for the Starwave 70ED, Lightwave 60ED Triplet and of course the Lightwave 80ED).

    £ 54.95 Tax included
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  • £ 74.95 Delivery In 1-5 Days* Tax included

    The Altair-EX Dielectric Diagonal is precision CNC machined with an extremely reflective, accurate and smooth mirror surface for maximum image contrast. Recommended to do justice to telescopes with good quality optics.

    £ 74.95 Tax included
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  • £ 130.00 Available In 1-5 Days* Tax included

    Prism diagonals give less scatter and therefore better contrast than diagonals using reflective mirror surfaces, including dielectric ones.

    £ 130.00 Tax included
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  • £ 125.00 Delivery In 1-5 Days* Tax included

    The Altair 2" premium diagonal with positive-lock system grips 2" accessories tightly with a small rotation of the top knurled ring, keeping them precisely centred. The CNC machined chassis will hold extra heavy accessories without flexing, and the mirror features a premium 99% reflective dielectric-coating

    £ 125.00 Tax included
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  • £ 105.00 Delivery In 1-5 Days* Tax included

    A premium 2" 45 degree prism based diagonal which lets you use your astronomical telescope as a super high quality terrestrial spotting scope with your favourite large 2" astronomical eyepieces. This is the version with the best coatings the prism maker can offer.

    £ 105.00 Tax included
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  • £ 77.95 Delivered In 2-3 Week Tax included

    Extension tube to extend your M68 optical system by an extra 100mm, extend any M68 threaded system or combine with Baaders Clicklock eyepiece clamps #2956272 or #2956284 (with exposable M68 threads) to extend the length of the optical system and provide a robust and sturdy connection.

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  • £ 36.95 Delivery In 1-5 Days* Tax included

    2" Upgrade Kit for Hyperion Clickstop Zoom eyepieces, consisting of Adapter-Ring M45 / 2"thread and our 2" eyepiece barrel.  With this kit, every Baader 1¼" Hyperion Clickstop Zoom ocular can be upgraded into a 2" Zoom eyepiece.

    £ 36.95 Tax included
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  • £ 19.00 Delivery In 1-5 Days* Tax included

    £ 19.00 Tax included
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  • £ 27.00 Delivered In 2-3 Weeks Tax included

    Baader M55/M68 (Zeiss) Adapter for 2 CL-Stardiagonal (#2956100)

    £ 27.00 Tax included
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  • £ 69.00 Delivery In 1-5 Days* Tax included

    This item incorporates Baaders innovative Clicklock system for use with 2" eyepieces, insert the clamp into your scope and then use the extra strong click lock to hold eyepieces safely and securely with the option to swiftly remove and insert eyepieces easily.

    £ 69.00 Tax included
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  • £ 73.00 Delivery In 2-3 Weeks Tax included

    This Baader 2" Clicklock Adapter is designed specifically for all Astrophysics Telescopes using the 2.7" thread. No more cumbersome thumbscrews or bulky holders! The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

    £ 73.00 Tax included
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  • £ 81.00 Delivery In 1-5 Days* Tax included

    This Baader 2" Clicklock Adapter is designed specifically for all Telescopes using the Large 3.25" SCT Thread. Gives a full 2" aperature.  The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

    £ 81.00 Tax included
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  • £ 66.00 Delivery In 1-5 Days* Tax included

    Will fit all Celestron and Skywatcher Refractor scopes fitted with M56 threads.

    £ 66.00 Tax included
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  • £ 68.00 Delivery In 1-5 Days* Tax included

    This Baader 2" Clicklock Adapter is designed specifically for all Telescopes using the Newtonian Ring Dovetail The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

    £ 68.00 Tax included
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  • £ 71.80 Delivered In 2-3 Weeks Tax included

    This Baader 2" Clicklock Adapter is designed specifically for all Vixen telescopes using the M60 Thread. No more cumbersome thumbscrews or bulky holders! The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

    £ 71.80 Tax included
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  • £ 71.00 Delivered In 2-3 Week Tax included

    This Baader 2" Clicklock Adapter is designed specifically for all Takahashi Telescopes using the M64 thread. No more cumbersome thumbscrews or bulky holders! The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

    £ 71.00 Tax included
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  • £ 79.00 Delivered In 2-3 Weeks Tax included

    £ 79.00 Tax included
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Showing 1 - 30 of 55 items

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