Diagonals and Prisms

Diagonals and Prisms

Diagonals and Prisms

15 products - next page link at the bottom

Showing 1-15 of 47 item(s)

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    • Enjoy better views through your telescope with this premium diagonal
    • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
    • Twist-lock keeps the eyepiece centred in the diagonal to provide better optical alignment
    • Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1.25” barrel
    • Enjoy better views through your telescope with this premium diagonal
    • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
    • Twist-lock keeps the eyepiece centred in the diagonal to provide better optical alignment
    • Includes a step-down-adaptor, so the diagonal accepts eyepieces in both 2” and 1.25” sizes
    • 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.
    • 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.
  • Sky-Watcher 1.25"...

    Price £79.95

    The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast.  (Standard diagonals typically reflect 90-95% of light).

    • 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.
  • The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast.  (Standard diagonals typically reflect 90-95% of light).

  • 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.

    • 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.
  • Celestron Universal...

    Price £24.95

    The Celestron Universal T-Adapter connects a DSLR or SLR camera to any telescope for prime focus photography.

  • High quality, beautifully crafted star diagonal. The highly accurate mirror is not hindered by its ultra reflective coatings as many similar models are, in some models up to 1/2 a wave accuracy is lost due to the layers of coatings, this is not the case with Baaders all-dielectric mirror coatings.

  • Designed for convenient CCD imaging. The device has a 1.25" nosepiece, threaded for standard filters on one end, which is inserted into a telescope's focuser, and an M42x0.75 T-mount thread on the other end to connect a suitable CCD camera.