> >>Diagonals and Prisms

Our stores

Our stores

Grovers Optics & Photo. 216 High Street. Northallerton

Manufacturers

New products

Grovers Toymaster 216 High Street, Northallerton DL78LW

A family business

Diagonals and Prisms There are 55 products.

per page
Showing 1 - 30 of 55 items
  • £ 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
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 429.00 Delivery In 2-3 Weeks Tax included

    2 Inch Universal Star Diagonal Prism

    £ 429.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivery In 2-3 Weeks
  • £ 525.00 Available To Order Tax included

    2 Inch / 90 degree Amici Erecting Prism

    £ 525.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Available To Order
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 235.00 Delivered In 2-3 Weeks Tax included

    £ 235.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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.

    £ 77.95 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Week
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 19.00 Delivery In 1-5 Days* Tax included

    £ 19.00 Tax included
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 27.00 Delivered In 2-3 Weeks Tax included

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

    £ 27.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    Ask For Delivery Time
    Add to cart More
    Delivery In 2-3 Weeks
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 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
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 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
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Week
  • £ 79.00 Delivered In 2-3 Weeks Tax included

    £ 79.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 77.00 Delivered In 2-3 Weeks Tax included

    This Baader 2" Clicklock Adapter is designed specifically for all Takahashi refractors using the 72mm thread. The eyepiece holder can also be detached from the M72/M64 portion to expose M68 threads.  This permits use of Baader's M68 Extension Tube #2458210 for correct spacing during imaging.

    £ 77.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 55.95 Delivered In 2-3 Week Tax included

    Diascope Bajonett Eyepiece Adaptor 2 Inch 2 Inch Diascope Bajonett eyepiece adaptor - to fit all Carl Zeiss made Diascope eyepieces onto 2 Inch telescope focusers, use 1.25mm to T-2 nosepiece #2458105

    £ 55.95 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Week
  • £ 65.95 Delivered In 2-3 Weeks Tax included

    Highly recommended, visual back replacement, this accessory an be used as a visual back for Zeiss (M68), Astro-Physics (2.7"), Vixen (M60), and Celestron / Skywatcher / Synta (M56) threaded items.

    £ 65.95 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 25.00 Available To Order Tax included

    The Hyperion Zoom MARK III features a removable eyerest in order to provide sufficient nose relief for binocular viewing. Accordingly the accessible photo thread on top of the eyepiece now measures 43 mm.

    £ 25.00 Tax included
    Ask For Delivery Time
    Add to cart More
    Available To Order
  • £ 31.95 Delivery In 1-5 Days* Tax included

    Convert your 2" focuser to use with 1.25" eyepieces.

    £ 31.95 Tax included
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
  • £ 54.95 Delivered In 2-3 Weeks Tax included

    Holds 2 inch clamp product number: 2408140

    £ 54.95 Tax included
    Ask For Delivery Time
    Add to cart More
    Delivered In 2-3 Weeks
  • £ 24.95 Delivery In 1-5 Days* Tax included

    A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and accepts 1.25” accessories, including diagonals, eyepieces (for straight-through viewing), Barlows, webcams, and any other accessory with a 1.25” insert barrel.

    £ 24.95 Tax included
    1-5 Days UK Delivery*
    Add to cart More
    Delivery In 1-5 Days*
Showing 1 - 30 of 55 items

My account

This website uses cookies to enhance your browsing experience. Our cookie policy is on a link from this page. close