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Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.
Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.

Diagonals

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  • CA$132.00 - CA$132.00
    CA$132.00
    CA$132.00 - CA$132.00
    CA$132.00

    William Optics 45° Erecting Prism - 1.25"

    WO-D-EP125

    45-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...

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    CA$132.00 - CA$132.00
    CA$132.00
    CA$132.00 - CA$132.00
    CA$132.00
  • CA$138.00 - CA$138.00
    CA$138.00
    CA$138.00 - CA$138.00
    CA$138.00

    William Optics 90° Erect Prism - 1.25"

    WO-D-EP90-125II

    90-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...

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    CA$138.00 - CA$138.00
    CA$138.00
    CA$138.00 - CA$138.00
    CA$138.00
  • CA$158.00 - CA$158.00
    CA$158.00
    CA$158.00 - CA$158.00
    CA$158.00

    William Optics 99% Dielectric Dura Bright Diagonal - 1.25"

    WO-D-125D-C-DB
    1 in stock

    High-quality 1.25" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...

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    CA$158.00 - CA$158.00
    CA$158.00
    CA$158.00 - CA$158.00
    CA$158.00
  • CA$228.00 - CA$228.00
    CA$228.00
    CA$228.00 - CA$228.00
    CA$228.00

    William Optics 99% Dielectric Dura Bright Diagonal - 2"

    WO-D-DIG2D-C-DB-T
    2 in stock

    High-quality 2" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...

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    CA$228.00 - CA$228.00
    CA$228.00
    CA$228.00 - CA$228.00
    CA$228.00
  • CA$197.00 - CA$197.00
    CA$197.00
    CA$197.00 - CA$197.00
    CA$197.00

    William Optics RedCat Erecting Prism - 1.25" Silver Version

    WO-D-EP90-125-RC51-SL

    1.25" erecting prism for correct image orientation Silver-finished design specifically for RedCat telescopes Description The W...

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    CA$197.00 - CA$197.00
    CA$197.00
    CA$197.00 - CA$197.00
    CA$197.00