Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Diagonals

Items 41 to 60 of 86 total

per page
Page:
  1. 3

Set Descending Direction
  1. Explore Scientific-  TDM Adapter for MEADE LXD75

    Explore Scientific- TDM Adapter for MEADE LXD75

    TDM Adapter for MEADE LXD75 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ES-721075
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $449.99

    Special Price: $329.99

  2. Explore Scientific-  TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Modified)

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

    TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Modified) ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ES-721062
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $549.99

    Special Price: $419.99

  3. Explore Scientific-  TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Original Version)

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

    TDM Adapter for Synta/Sky-Watcher EQ6 Mount (Original Version) ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ES-721060
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $489.99

    Special Price: $369.99

  4. Explore Scientific-  TDM Adapter for Vixen GPDX / Celestron CAM/GT5

    Explore Scientific- TDM Adapter for Vixen GPDX / Celestron CAM/GT5

    TDM Adapter for Vixen GPDX / Celestron CAM/GT5 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ES-721070
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $519.99

    Special Price: $399.99

  5. Explore Scientific- TDM Adapter for Celestron CGE Mount

    Explore Scientific- TDM Adapter for Celestron CGE Mount

    TDM Adapter for Celestron CGE Mount ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ES-721020
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $549.99

    Special Price: $419.99

  6. Explore Scientific- TDM Adapter for Synta/Sky-Watcher Pro HEQ5 Mount

    Explore Scientific- TDM Adapter for Synta/Sky-Watcher Pro HEQ5 Mount

    TDM Adapter for Synta/Sky-Watcher Pro HEQ5 Mount ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ES- 721050
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $479.00

    Special Price: $359.00

  7. Lumicon - 1.25in 90 Degree Correct Image Diagonal

    Lumicon - 1.25in 90 Degree Correct Image Diagonal

    The Lumicon 1.25" 90 degree Correct Image Diagonal provides a corrected image (left/right; up/down) for finder and spotting scopes. May also be used on refractors and SCTs. Includes filter threads ... Learn More
    Model#: LD1030
    $76.95

  8. Lumicon - 1.25in Enhanced Diagonal

    Lumicon - 1.25in Enhanced Diagonal

    The Lumicon 1.25" Enhanced Aluminum Diagonal reflects 96 to 97 percent of the light from the telescope's primary optics directly into your eyepiece. Its single 1/8 wave precision-polished surface is superior to the three surfaces of prism diagonals ... Learn More
    Model#: LD1010
    $109.95

  9. Lumicon - 1.25in LumiBrite Diagonal

    Lumicon - 1.25in LumiBrite Diagonal

    The Lumicon 1.25" LumiBrite Dielectric Coated Diagonal reflects 99 percent of the light from the telescope's primary optics into your eyepiece. Its single 1/10 wave precision polished surface is superior to the three surfaces of prism diagonals ... Learn More
    Model#: LD1020
    $164.95

  10. Lumicon - 1.25in Multi-Coated Prism Diagonal

    Lumicon - 1.25in Multi-Coated Prism Diagonal

    The 1.25" Multi-Coated Prism Diagonal is a Lumicon-quality prism diagonal at an entry-level price ... Learn More
    Model#: LD1035
    $54.95

  11. Lumicon - 2in Enhanced Diagonal

    Lumicon - 2in Enhanced Diagonal

    The Lumicon 2" Enhanced Aluminum Diagonal reflects 96 to 97 percent of the light from the telescope's primary optics directly into your eyepiece. Its single 1/8 wave precision-polished surface is superior to the three surfaces of prism diagonals ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LD1015
    $208.95

  12. Lumicon - 2in LumiBrite Diagonal

    Lumicon - 2in LumiBrite Diagonal

    The Lumicon 2" LumiBrite Dielectric Coated Diagonal reflects 99 percent of the light from the telescope's primary optics into your eyepiece. Its single 1/10 wave precision polished surface is superior to the three surfaces of prism diagonals ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LD1025
    $263.95

  13. Lumicon - 2in Multiple Filter Selector-Enhanced Diagonal Combo for Refractors

    Lumicon - 2in Multiple Filter Selector-Enhanced Diagonal Combo for Refractors

    The Lumicon 2" Multiple Filter Selector-Enhanced Diagonal Combo for Refractors allows you to enjoy the convenience of a filter selector and the quality of an Enhanced Aluminum star-diagonal with a refractor telescope ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LD3015
    $296.95

  14. Lumicon - 2in Multiple Filter Selector-Lumibrite Diagonal Combo for Refractors

    Lumicon - 2in Multiple Filter Selector-Lumibrite Diagonal Combo for Refractors

    The Lumicon 2" Multiple Filter Selector-LumiBrite Diagonal Combo for Refractors brings you the convenience of a 2" filter selector and the quality of a dielectric star diagonal to a refractor telescope ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LD3025
    $395.95

  15. Lumicon - 2in Star Mirror Diagonal

    Lumicon - 2in Star Mirror Diagonal

    The Lumicon 2" Mirror Diagonal features compression-ring eyepiece holders, and includes a 2" to 1.25" reducer. A Lumicon-quality star diagonal at an entry-level price ... Learn More
    Model#: LD1005
    $109.95

  16. Lumicon - Adapter to use 2 " MFS on Enhanced/Lumibrite Diagonals for Refractors

    Lumicon - Adapter to use 2 " MFS on Enhanced/Lumibrite Diagonals for Refractors

    The Adapter for 2" MFS on Enhanced/LumiBrite Diagonals for Refractors is an ultra low-profile (0.54") eyepiece holder for the Lumicon 2" Enhanced Aluminum or 2" LumiBrite Dielectric diagonal ... Learn More
    Model#: LD1050
    $32.95

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

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

    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.

    ...
    Learn More
    Model#: 07681

    Regular Price: $349.00

    Special Price: $189.00

  18. Meade - #918A Diagonal Prism

    Meade - #918A Diagonal Prism

    This is the 1.25" star diagonal supplied with the Meade LX-Series Schmidt-Cassegrain telescopes (LX90, LX200, etc). It is a replacement for a lost or damaged Meade scope diagonal, but can also be used with any brand of refractor or catadioptric telescope that accepts 1.25" accessories. It uses a fully coated 90° prism with 100% internal reflection for high light transmission. A thumbscrew holds eyepieces in place.

    ...
    Learn More
    Model#: 07202
    $43.00

  19. Meade - #930 2 " Diagonal Mirror with UHTC coatings

    Meade - #930 2 " Diagonal Mirror with UHTC coatings

    This diagonal slides into the 2" microfocuser supplied with the LX200 GPS telescopes. It may also be used with any other telescope having a 2" focuser ... Learn More
    Model#: 07223
    $119.95

  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
    $49.99

Items 41 to 60 of 86 total

per page
Page:
  1. 3

Set Descending Direction