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Diagonals

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  1. Lumicon - 2in Star Mirror Diagonal

    Lumicon - 2in Star Mirror Diagonal

    The Lumicon 2" Mirror Diagonal features compression-ring eyepiece holders, and includes a 2" to 1.25" reducer. A Lumicon-quality star diagonal at an entry-level price ... Learn More
    Model#: LD1005
    $109.95

  2. Vixen 1.25" 45° Diagonal

    Vixen - 45 Degree Erect Image Diagonal - 1.25"

    Allows the image to be right side up and left right corrected in most telescopes, Newtonian reflectors can not be corrected. This is great for those who wish to use their telescopes for Land viewing of distant objects or wildlife. Also very useful when viewing the Moon to be able to correctly identify Lunar features while looking at a Moon map.

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    Model#: 8791
    $109.95

  3. Vixen - Flip Mirror Diagonal

    Vixen - Flip Mirror Diagonal

    With an enhanced aluminum coating giving 96% reflectivity, this flip mirror diagonal has much to offer.  Attach this diagonal to your telescope via a 2” threaded barrel that accepts 49mm filters.

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    Model#: 2680
    $109.95

  4. Celestron - 2" XLT Diagonal (Refractor)

    DISCONTINUED: Celestron - 2" XLT Diagonal (Refractor)

    This is a discontinued item. We recommend the Vixen version instead.

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    Model#: 93526
  5. Meade - #930 2 " Diagonal Mirror with UHTC coatings

    Meade - #930 2 " Diagonal Mirror with UHTC coatings

    This diagonal slides into the 2" microfocuser supplied with the LX200 GPS telescopes. It may also be used with any other telescope having a 2" focuser ... Learn More
    Model#: 07223
    $119.95

  6. Orion 2" Dielectric Mirror Diagonal 2"-1.25" adapter
  7. Olivon 2" Mirror Star Diagonal

    Olivon - 2" Mirror Star Diagonal

    Olivon 2" Mirror Star Diagonal. Fully Multi-Coated 2" 90° diagonal with 1.25" adapter included. Lightweight, all aluminum construction. Uses 99% Reflective Dielectric coatings.

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    Model#: OL2MSDIAG-US
    $129.00

  8. Olivon - 2" Diagonal Erecting Prism

    Olivon - 2" Diagonal Erecting Prism

    Olivon 2" - 1.25" 90° Prism Diagonal w/BAK4 & FMC Coating

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    Model#: OL2DIAG-US
    $129.00

  9. APM - Star Diagonal 2 " - 99% - Quartz

    DISCONTINUED: APM - Star Diagonal 2 " - 99% - Quartz

    APM 2" StardiagonalVery good quality with 99% Reflection and adapter 2"-1.25"

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    Model#: 10108
  10. Explore Scientific - 2 inch 99% Reflectivity ES Diagonal

    Explore Scientific - 2 inch 99% Reflectivity ES Diagonal

    The Explore Scientific 2" Dielectric Diagonal is a nice light weight diagonal. The engineers at Explore Scientific were able to achieve weight savings when compared to traditional diagonals replacing some of the base material with carbon fiber material

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    Model#: DD02-00CF
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    Regular Price: $322.99

    Special Price: $144.99

  11. Vixen - 1.25" Erect Image Adapter

    Vixen - 1.25" Erect Image Adapter

    Vixen's Erect Image Adapter is designed to fit a 1.25” focuser. This straight through adapter will re-invert and flip the image so it will appear fully corrected.

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    Model#: 3847
    $149.00

  12. Meade - Series 5000 2" Enhanced Diagonal Mirror

    Meade - Series 5000 2" Enhanced Diagonal Mirror

    Meade Series 5000 2" Enhanced Diagonal Mirror #07680. Meade's best diagonal for Meade LX90 and LX200 models

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    Model#: 07680
    $149.00

  13. Takahashi Star Diagonal

    Takahashi - Star Diagonal

    Let's talk quality here. The Takahashi 1.25" star diagonal uses a high quality prism instead of a mirror. This means a lifetime of service where the coatings won't erode.

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    Model#: TFP0090
    $149.95

  14. Celestron - 2" XLT Diagonal (SCT)

    Celestron - 2" XLT Diagonal (SCT)

    Introducing our new 2" XLT Diagonal. This high quality multi-coated mirror diagonal allows you to take advantage of the wider field of view provided by 2" eyepieces

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    Model#: 93527
    $163.35

  15. Lumicon - 1.25" LumiBrite Diagonal

    Lumicon - 1.25" LumiBrite Diagonal

    The Lumicon 1.25" LumiBrite Dielectric Coated Diagonal reflects 99 percent of the light from the telescope's primary optics into your eyepiece.

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    Model#: LD1020

    Regular Price: $215.00

    Special Price: $164.95

  16. TeleVue - 90 Degree Diagonal 1-1/4 "

    TeleVue - 90 Degree Diagonal 1-1/4 "

    96% Enhanced mirror coating ... Learn More
    Model#: DSC-0125
    $165.00

  17. Vixen 2" Diagonal

    Vixen - Dielectric Coated 2" Diagonal

    Vixen Dielectric Coated 2" Diagonal Eyepiece Adapter sports a dielectric coating to give you true color images. The Vixen 2" Diagonal Adapter assures you of high contrast sharpimage images. This Vixen eyepiece has a fully illuminated 2" field of view.

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    Model#: 5449
    $179.00

  18. Olivon - 2" 90° Erecting Image Roof Prism Diagonal

    Olivon - 2" 90° Erecting Image Roof Prism Diagonal

    NEW!! Olivon 2" 90° Erecting Image Roof Prism Diagonal with 1.25" adapter included. Fully Multi-Coated BK7 prism. An excellent diagonal for looking at the moon and the stars.

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    Model#: OL2EIDIAG-US
    $189.00

  19. Meade -  99% Reflectivity Mirror Diagonal and 24mm Ultra-Wide Angle (UWA) Eyepiece Kit

    DISCONTINUED: Meade - 99% Reflectivity Mirror Diagonal and 24mm Ultra-Wide Angle (UWA) Eyepiece Kit

    Meade Series 5000 UltraWide Angle 24mm Eyepiece (2") #07681 features a staggering 82 degree apparent field of view Meade Series 5000 Ultra Wide Angle Eyepieces use 7 optical elements to achieve a high contrast image with razor sharp correction all the way to the edge of the field.

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    Model#: 07681
  20. PlaneWave Stellarvue 2" Mirror Diagonal

    PlaneWave - Stellarvue 2" Mirror Diagonal

    This mirror star diagonal features a thick, oversized mirror. Polished to 1/10th wave minimum and coated with a protective, dielectric coating with 99% reflectivity.

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    Model#: D1029ED
    $199.00

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