Diagonals

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  1. Orion - 1.25" Enhanced Mirror Star Telescope Diagonal

    $69.99
    SKU: ORI-08879

    Wait Time is 3-5 Days

    Don't put a standard-issue diagonal into a high-quality refractor or Cassegrain telescope or you'll be losing 10% or more of the light collected by the telescope's optics.

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

    $79.99
    SKU: ORI-08754

    Wait Time is 3-5 Days

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

  3. Baader - Clicklock Dielectric Star Diagonal - 2"

    $297.00
    SKU: BAA-CLDIAG-2

    Wait Time is 3-5 Days

    With their ground-breaking introduction several years ago of the all-dielectric 2" Maxbright star diagonal, Baader Planetarium brought mirror star diagonals into the 21st century.

    FREE SHIPPING(48 States)
  4. Baader - Erecting Prism 1.25"

    $92.00
    SKU: BAA-AMICI-45

    Wait Time is 3-5 Days

    Erecting prism with a 45° viewing position used for terrestrial observation. They show an upright and correctly orientated image.

  5. Baader - Precision Amici Diagonal

    $299.00
    SKU: BAA-AMICI-DX1

    Wait Time is 3-5 Days

    The Amici Prism has long been favored as the best choice for producing correctly oriented images in refractors and cassegrain type telescopes.

    FREE SHIPPING(48 States)
  6. Explore Scientific - TDM Adapter with Encoder 16" ACF (requires 0721004 TDM Controller with Cable)

    $1,599.99
    SKU: EXP-0721260

    Wait Time is 3-5 Days

    TDM Adapter with Encoder 16" ACF (requires 0721004 TDM Controller with Cable)

    FREE SHIPPING(48 States)
  7. Explore Scientific - TDM Telescope Drive Master Encoder Only (Requires Mount Specific Adapter)

    $899.99
    SKU: EXP-0721001

    Wait Time is 3-5 Days

    TDM Telescope Drive Master Encoder Only (Requires Mount Specific Adapter)

    FREE SHIPPING(48 States)
  8. Explore Scientific -TDM Adapter iOptron iEQ45

    $469.99
    SKU: EXP-0721045

    Wait Time is 3-5 Days

    TDM Adapter iOptron iEQ45

    FREE SHIPPING(48 States)
  9. Explore Scientific - TDM Telescope Drive Master Ver. 2 Encoder and Electronics Set (Requires Mount Adapter)

    $1,799.99
    SKU: EXP-721000

    Wait Time is 3-5 Days

    TDM Telescope Drive Master Ver. 2 Encoder and Electronics Set (Requires Mount Adapter)
    FREE SHIPPING(48 States)
  10. Explore Scientific - TDM Adapter for Meade LX200ACF

    $729.99
    SKU: EXP-0721250

    Wait Time is 3-5 Days

    TDM Adapter for MEADE LX200ACF
    FREE SHIPPING(48 States)
  11. Explore Scientific - TDM Adapter for Meade LX200 8"-12"

    $729.99
    SKU: EXP-0721220

    Wait Time is 3-5 Days

    TDM Adapter for MEADE LX200 8“-12“
    FREE SHIPPING(48 States)
  12. Explore Scientific - TDM Adapter for Astro Physics 1200 Mount

    $329.99
    SKU: EXP-0721200

    Wait Time is 3-5 Days

    TDM Adapter for Astro Physics 1200 Mount

    FREE SHIPPING(48 States)
  13. Explore Scientific - TDM Adapter for Meade LXD75

    $479.99
    SKU: EXP-0721075

    Wait Time is 3-5 Days

    You need this adapter to attach the TDM to your MEADE LXD75 mount.

    FREE SHIPPING(48 States)
  14. Explore Scientific - TDM Adapter for Vixen GPDX / Celestron CAM/GT5

    $489.99
    SKU: EXP-0721070

    Wait Time is 3-5 Days

    TDM Adapter for Vixen GPDX / Celestron CAM/GT5

    FREE SHIPPING(48 States)
  15. Explore Scientific - TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Modified)

    $509.99
    SKU: EXP-0721062

    Wait Time is 3-5 Days

    TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Modified)

    FREE SHIPPING(48 States)
  16. Explore Scientific - TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Original Version)

    $459.99
    SKU: EXP-0721060

    Wait Time is 3-5 Days

    TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Original Version)

    FREE SHIPPING(48 States)
  17. Explore Scientific - TDM Adapter for Celestron CGEM Mount

    $369.99
    SKU: EXP-0721025

    Wait Time is 3-5 Days

    TDM Adapter for Celestron CGEM Mount

    FREE SHIPPING(48 States)
  18. Astro-Tech - 1.25" Dielectric Coated Star Diagonal with Compression Ring

    $69.95
    SKU: AST-AT1D

    Wait Time is 3-5 Days

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

  19. Olivon - 2" Diagonal Erecting Prism

    $193.00
    SKU: OL2DIAG-US

    Wait Time is 3-5 Days

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

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

    Regular Price: $449.00

    You Pay: $249.00

    SKU: MEA-07681

    In stock

    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.

    FREE SHIPPING(48 States)
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