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Diagonals

Items 21 to 40 of 74 total

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  1. Astro-Physics MaxBright Diagonal

    Astro-Physics - MaxBright Diagonal

    Please Note: We cannot ship Astro-Physics products to customers in Germany, Switzerland, Austria, France and Japan.

    The Astro-Physics 2" MaxBright Diagonal was designed with several unique features to provide optimum performance and years of use.

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    (48 States)
    Model#: PMDMAX
    $320.00

  2. Baader Planetarium Prism Diagonal T-2/90°

    Baader Planetarium - Prism Diagonal T-2/90° 32mm with 1.25" Eyepiece Holder and 1.25" Nosepiece

    The Baader T2 diagonals offer large free apertures with flexibility to most telescopes without vignetting problem.

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    Model#: PRISM-1
    $169.00

  3. Lunt  -  Calcium Module (Ca-K) with B1200 Blocking Filter  -  in Straight Thru 2" Tube with T2 & 2" connection

    Lunt - Calcium Module (Ca-K) with B1200 Blocking Filter - in Straight Thru 2" Tube with T2 & 2" connection

    Lunt Calcium K B1200 CAK Straight

    Calcium K (Ca-K) Telescopes and Filters are used to study the

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    Model#: LS1200CAKS
    $1,018.00

  4. Baader Planetarium 2" Maxbright Mirror Diagonal

    Baader Planetarium - 2" Maxbright Mirror Diagonal

    The Baader Planetarium 2" Maxbright Mirror Diagonal includes a 2" removable eyepiece holder, compression ring, two large thumbscrews and 2" nosepiece, making the diagonal suitable for most 2" astronomy filters.

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    (48 States)
    Model#: MAX-2
    $459.00

  5. 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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    (48 States)
    Model#: VRN2IN120DIAG
    $795.00

  6. 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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    (48 States)
    Model#: VRN114DIAG
    $495.00

  7. 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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    (48 States)
    Model#: T2-01B
    $272.00

  8. 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

  9. 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

  10. 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

  11. Explore Scientific - 2"  99% Reflectivity ES Diagonal

    Explore Scientific - 2" 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
    $119.99

  12. Explore Scientific 3" Diagonal

    Explore Scientific - 3" ES Diagonal

    Diagonal for 3" Eyepieces. Will work with the Explore Scientific 30mm 100° Series eyepiece.

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    (48 States)
    Model#: DD03-01CF
    $419.99

  13. 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.

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    (48 States)
    Model#: DSC-8001
    5% off

    Regular Price: $250.00

    Special Price: $237.50

  14. 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

  15. Astro-Tech - 1.25" Dielectric Coated Star Diagonal with Compression Ring

    Astro-Tech - 1.25" Dielectric Coated Star Diagonal with Compression Ring

    This 1.25” Astro-Tech first-surface mirror star diagonal was named a Sky & Telescope Hot Product for 2007!

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    Model#: AT1D
    $69.95

  16. Orion - 1.25" Deluxe 45-degree Correct-Image Prism Diagonal

    Orion - 1.25" Deluxe 45-degree Correct-Image Prism Diagonal

    Turn any refractor or Cassegrain telescope into a high-performance daytime spotting scope with our Deluxe 45° Correct-Image Diagonal.   

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    Model#: 08754
    $87.19

  17. 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.

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    Model#: CT240067
    $84.99

  18. 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

  19. Meade - 45 degree Hybrid Erecting Prism

    Meade - 45 degree Hybrid Erecting Prism

    Telescopes contain internal mirrors that reflect light to the telescope's astronomical observing position

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    Model#: 07217
    $37.95

  20. Meade - #932 45 Degree Erecting Prism 1.25 "

    Meade - #932 45 Degree Erecting Prism 1.25 "

    All ETX telescopes include an internal, flat mirror to reflect light to the telescope's 90-degree astronomical observing position; in this position the telescope's image is right side up, but reversed ... Learn More
    Model#: 07210
    $37.95

Items 21 to 40 of 74 total

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