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Diagonals

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  1. 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

  2. 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

  3. 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

  4. Vixen - 2" Diagonal Mirror

    Vixen - 2" Diagonal Mirror

    Enhanced Aluminum Coatings give 96% reflectivity to this high quality 2" Diagonal. Fitted with a 2" barrel with safety groove this diagonal is designed to get most photons from a variety of telescopes to the observer's eye.

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    FREE SHIPPING
    (48 States)
    Model#: 3704
    $240.00

  5. 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

  6. Vixen - 1.25" Diagonal Prism

    Vixen - 1.25" Diagonal Prism

    The Vixen Diagonal Prism is designed for use with most telescopes. This high quality 90 degree prism allows viewing at comfortable angles.

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    Model#: 3675
    $79.95

  7. Vernonscope 2" 1/20th Wave Quartz Star Diagonal

    Vernonscope - 2" 1/20th Wave Quartz Star Diagonal

    The Vernonscope 2" Wave Quartz Star Diagonal is composed of a 99% reflective mirror that is considered one the best in the world because of the Zygo interferometer printout included.

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    FREE SHIPPING
    (48 States)
    Model#: VRN2IN120DIAG
    $795.00

  8. Vernonscope 1.25" 1/20th Wave Quartz Star Diagonal

    Vernonscope - 1.25" 1/20th Wave Quartz Star Diagonal

    The Vernonscope 1.25" Wave Quartz Star Diagonal is composed of a 99% reflective mirror that is considered one the best in the world because of the Zygo interferometer printout included.

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    FREE SHIPPING
    (48 States)
    Model#: VRN114DIAG
    $495.00

  9. TeleVue - SCT 90 degree Everbrite Diagonal

    TeleVue - SCT 90 degree Everbrite Diagonal

    Same EveDPS-2004rbrite as above, but with a shorter male end to reduce overall scope length ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DPS-2004
    $325.00

  10. TeleVue - Everbrite Diagonal 1-1/4 "

    TeleVue - Everbrite Diagonal 1-1/4 "

    99% Everbrite broad band coating, solid body construction ... Learn More
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    (48 States)
    Model#: DPC-1250
    $225.00

  11. TeleVue - 90° Enhanced 2" Star Diagonal (Satin)

    TeleVue - 90° Enhanced 2" Star Diagonal (Satin)

    This is the same 2-inch Star Diagonal that comes with the Tele-Vue 85 and the Pronto. Exquisitely crafted to fold light exactly 90 degrees. The mirror blank is polished to 1/10th the wavelength of light and vacuum coated with enhanced aluminum 96 percent reflectivity. Then it's overcoated to protect the delicate mirrored surface.

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    (48 States)
    Model#: DSC-8001
    $250.00

  12. TeleVue - 90 Degree Diagonal 2 "

    TeleVue - 90 Degree Diagonal 2 "

    96% Enhanced mirror coating ... Learn More
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    (48 States)
    Model#: DSC-2001
    $210.00

  13. 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

  14. TeleVue - 60 Degree Everbrite Diagonal 1-1/4 "

    TeleVue - 60 Degree Everbrite Diagonal 1-1/4 "

    This is an entirely new angle for Tele Vue! It's a real breakthrough for birding and terrestrial viewing; the perfect combination of comfort and performance. Al came up with this very desirable accessory while playing at the Winter Star Party ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DPC-6012
    $295.00

  15. TeleVue - 45 Degree Prism

    TeleVue - 45 Degree Prism

    45° Prism for refractors gives normal image orientation. Terrestrial onlyWhile star diagonals correct a refractor's inverted image, they don't correct the left-right orientation ... Learn More
    Model#: AMI-0011
    $80.00

  16. TeleVue - 2 " 90 degree Everbrite Diagonal - Satin

    TeleVue - 2 " 90 degree Everbrite Diagonal - Satin

    Whiter and brighter images. Simply put, that is the benefit the Everbrite mirror coating. This exotic, dielectric, nonmetallic coating is 99% reflective across the full visual spectrum, resulting in the "whitest," most natural image available ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DSF-8002
    $345.00

  17. 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
    $143.00

  18. Takahashi - 2" Mirror Diagonal with 1.25" Adapter

    Takahashi - 2" Mirror Diagonal with 1.25" Adapter

    Don't rob yourself of the extra light by using a 1.25" diagonal... Get the full effect by going to a full 2" with the Takahashi TDM0200 Mirror Diagonal.

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    FREE SHIPPING
    (48 States)
    Model#: TDM0200
    $499.95

  19. 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

  20. Orion 2" Dielectric Mirror Diagonal 2"-1.25" adapter

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