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Diagonals

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  1. Baader Planetarium - Amici Prism Diagonal 45° , 1.25in with 24mm clear aperture (terrestrial use)

    Baader Planetarium - Amici Prism Diagonal 45° , 1.25in with 24mm clear aperture (terrestrial use)

    The problem with Amici prisms is due to the fact that they must have a high-end surface quality to be effective. The Baader AMI-DX1 now brings this to reality. With a slightly oversized prism providing a full clear aperture of 1.25", the AMICI-45 balances the effect of the defects found in amici diagnols.

    ...
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    Model#: AMICI-45
    $92.00

  2. Baader Planetarium T-2 Prism Star Diagonal

    Baader Planetarium - T-2 Prism Star Diagonal

    The Baader Planetarium T-2 Prism Star Diagonal is easily the finest prism star diagonal available today.

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    FREE SHIPPING
    (48 States)
    Model#: T2-01B
    $259.00

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

    TeleVue - Everbrite Diagonal 1-1/4 "

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

  4. Celestron - Diagonal, Mirror - 2"

    Celestron - Diagonal, Mirror - 2"

    This high quality 90-degree multi-coated mirror diagonal allows you to take advantage of the wider field of view provided by 2" eyepieces.

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    Model#: 93519

    Regular Price: $109.95

    Special Price: $63.95

  5. Denkmeier - #S2 Silver Enhanced Power x Switch Star Diagonal - Shorty

    Denkmeier - #S2 Silver Enhanced Power x Switch Star Diagonal - Shorty

    Diagonal #S2 For SCTsAllows Binoviewers to be used in SCTs for instant normal, reduction and multiplication factors ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S2-97STY
    $389.00

  6. Denkmeier - #S2 Diekectric Power x Switch Star Diagonal - Regular

    Denkmeier - #S2 Diekectric Power x Switch Star Diagonal - Regular

    Diagonal #S2 For SCTsAllows Binoviewers to be used in SCTs for instant normal, reduction and multiplication factors ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S2-99REG
    $509.00

  7. Denkmeier - #S2 Diekectric Power x Switch Star Diagonal - Shorty

    Denkmeier - #S2 Diekectric Power x Switch Star Diagonal - Shorty

    Diagonal #S2 For SCTsAllows Binoviewers to be used in SCTs for instant normal, reduction and multiplication factors ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S2-99STY
    $509.00

  8. Denkmeier - #R1 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #R1 Silver Enhanced Power x Switch Star Diagonal - Regular

    Diagonal #R1 For RefractorsAllows any Denkmeier Binoviewer to be loaded into the eyepiece receptacle for 3 magnifications with a single pair of eyepieces ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: R1-97REG
    $499.00

  9. Denkmeier - #R1 Silver Enhanced Power x Switch Star Diagonal - Shorty

    Denkmeier - #R1 Silver Enhanced Power x Switch Star Diagonal - Shorty

    Diagonal #R1 For RefractorsAllows any Denkmeier Binoviewer to be loaded into the eyepiece receptacle for 3 magnifications with a single pair of eyepieces ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: R1-97STY
    $499.00

  10. Denkmeier - #R1 Diekectric Power x Switch Star Diagonal - Regular

    Denkmeier - #R1 Diekectric Power x Switch Star Diagonal - Regular

    Diagonal #R1 For RefractorsAllows any Denkmeier Binoviewer to be loaded into the eyepiece receptacle for 3 magnifications with a single pair of eyepieces ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: R1-99REG
    $619.00

  11. Denkmeier - #R1 Diekectric Power x Switch Star Diagonal - Shorty

    Denkmeier - #R1 Diekectric Power x Switch Star Diagonal - Shorty

    Diagonal #R1 For RefractorsAllows any Denkmeier Binoviewer to be loaded into the eyepiece receptacle for 3 magnifications with a single pair of eyepieces ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: R1-99STY
    $619.00

  12. Denkmeier - #R2 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #R2 Silver Enhanced Power x Switch Star Diagonal - Regular

    The Denkmeier 2" Power x Switch Diagonal #R2 for Refractors#R2 provides tremendous versatility allowing a binoviewer to move through up to 6 different magnifications with a low 1.26X power factor to a high power of 3 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: R2-97REG
    $599.00

  13. Denkmeier - #S2 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #S2 Silver Enhanced Power x Switch Star Diagonal - Regular

    Diagonal #S2 For SCTsAllows Binoviewers to be used in SCTs for instant normal, reduction and multiplication factors ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S2-97REG
    $389.00

  14. Denkmeier - #S1 Silver Enhanced Power x Switch Star Diagonal - Shorty

    Denkmeier - #S1 Silver Enhanced Power x Switch Star Diagonal - Shorty

    2" Star Diagonal # S1Available with 97% Silver Enhanced coatings, includes a 1.25" adapter for 1 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S1-97STY
    $389.00

  15. Denkmeier - #S1 Silver Enhanced Power x Switch Star Diagonal - Regular

    Denkmeier - #S1 Silver Enhanced Power x Switch Star Diagonal - Regular

    2" Star Diagonal # S1Available with 97% Silver Enhanced coatings, includes a 1.25" adapter for 1 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S1-97REG
    $389.00

  16. Celestron Finderscope Only 8x20 Erect Image

    Celestron - Finderscope Only 8x20 Erect Image

    This 8x20 finderscope features an erect image.

    Finderscopes are secondary scopes, used to help locate objects in the main telescope. The larger the finderscope, the more you'll see, to an upper limit of 50mm.

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    Model#: 94103-A
    $49.00

  17. Celestron - 45 Degree Diagonal, Erect Image - 1.25"

    Celestron - 45 Degree Diagonal, Erect Image - 1.25"

    Celestron's 1-1/4" Erect Image Diagonals are an Amici prism design. This design allows you to look into the telescope at a 45° angle, at images that are oriented properly, meaning the image is upright and correct from left to right.

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    Model#: 94112-A
    $49.95

  18. Celestron - Diagonal, Star 1.25"

    Celestron - Diagonal, Star 1.25"

    Our Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable viewing when the telescope is pointed at, or near, the zenith (i.e. directly overhead). The resulting image is right side up, but will be reversed from left to right.

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    Model#: 94115-A
    $39.95

  19. 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

  20. Denkmeier - #S1 Diekectric Power x Switch Star Diagonal - Regular

    Denkmeier - #S1 Diekectric Power x Switch Star Diagonal - Regular

    Diagonal #S1 - For SCTs Using Single EyepiecesDesigned specifically for single eyepiece use (non-binoviewer) in an SCT and allows focal reduction, normal and 2X magnifications instantly ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: S1-99REG
    $509.00

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