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Diagonals

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

    APM - Star Diagonal 2 " - 99% - Quartz

    APM 2" StardiagonalVery good quality with 99% Reflection and adapter 2"-1.25" ... Learn More
    Model#: 10108

    Regular Price: $199.00

    Special Price: $139.00

  2. Canadian Telescopes - 1.25in. Dielectric Mirror Star Diagonal

    Canadian Telescopes - 1.25in. Dielectric Mirror Star Diagonal

    The Diagonal Mirror has enhanced dielectric coatings that give an incredible 99% reflectivity over the visual spectrum.

    ...
    Learn More
    Model#: CT240067
    $84.99

  3. Canadian Telescopes - 2 Inch Dielectric Mirror Star Diagonal

    Canadian Telescopes - 2 Inch Dielectric Mirror Star Diagonal

    The Diagonal Mirror has enhanced dielectric coatings that give an
    incredible 99% reflectivity over the visual spectrum.

    ...
    Learn More
    Model#: CT240068
    $145.00

  4. Celestron - 2-" XLT Diagonal (Refractor)

    Celestron - 2-" XLT Diagonal (Refractor)

    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 ... Learn More
    Model#: 93526

    Regular Price: $163.35

    Special Price: $119.95

  5. 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 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: 93527
    $163.35

  6. Celestron - Diagonal, Erect Image - 45 degree - NexStar 4

    Celestron - Diagonal, Erect Image - 45 degree - NexStar 4

    Threads onto the back of the NexStar 4SE & GT.  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 ... Learn More
    Model#: 94116

    Regular Price: $39.95

    Special Price: $28.95

  7. Celestron - Diagonal, Erect Image - 45 degree .1-1/4 "

    Celestron - Diagonal, Erect Image - 45 degree .1-1/4 "

    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 ... Learn More
    Model#: 94112-A
    $49.95

  8. 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 ... Learn More
    Model#: 93519

    Regular Price: $109.95

    Special Price: $63.95

  9. Celestron - Diagonal, Star 1-1/4 "

    Celestron - Diagonal, Star 1-1/4 "

    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) ... Learn More
    Model#: 94115-A
    $39.95

  10. 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 ... Learn More
    Model#: 94103-A
    $49.00

  11. 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
    (excludes AK & HI)
    Model#: R1-99REG
    $619.00

  12. 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
    (excludes AK & HI)
    Model#: R1-99STY
    $619.00

  13. 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
    (excludes AK & HI)
    Model#: R1-97REG
    $499.00

  14. 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
    (excludes AK & HI)
    Model#: R1-97STY
    $499.00

  15. Denkmeier - #R2 Diekectric Power x Switch Star Diagonal - Regular

    Denkmeier - #R2 Diekectric 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
    (excludes AK & HI)
    Model#: R2-99REG
    $719.00

  16. 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
    (excludes AK & HI)
    Model#: R2-97REG
    $599.00

  17. 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
    (excludes AK & HI)
    Model#: S1-99REG
    $509.00

  18. Denkmeier - #S1 Diekectric Power x Switch Star Diagonal - Shorty

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

    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
    (excludes AK & HI)
    Model#: S1-99STY
    $509.00

  19. 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
    (excludes AK & HI)
    Model#: S1-97REG
    $389.00

  20. 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
    (excludes AK & HI)
    Model#: S1-97STY
    $389.00

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