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  1. Levenhuk - 250mm Ra 250N F4 OTA Newtonian Telescope

    Levenhuk - 250mm Ra 250N F4 OTA Newtonian Telescope

    Levenhuk Ra 250N F4 OTA is a Newtonian telescope with a 250-mm primary mirror and a focal length of 1000 mm (f/4). This model is best-suited for astrophotography

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    (48 States)
    Model#: 50747
    $649.95

  2. Levenhuk - 200mm Ra 200N F4 OTA Newtonian Telescope

    Levenhuk - 200mm Ra 200N F4 OTA Newtonian Telescope

    Levenhuk Ra 200N F4 OTA is a Newtonian telescope with a 200-mm primary mirror and a focal length of 800 mm (f/4). This model is best-suited for astrophotography. The telescope tube is made of metal, following a more traditional design.

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    (48 States)
    Model#: 50744
    $479.95

  3. Levenhuk - 200mm Ra 200N F4 Carbon OTA Newtonian Telescope

    Levenhuk - 200mm Ra 200N F4 Carbon OTA Newtonian Telescope

    Levenhuk Ra 200N F4 Carbon OTA is a Newtonian telescope with a 200-mm primary mirror and a focal length of 800 mm (f/4). This model is best-suited for astrophotography.

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    (48 States)
    Model#: 50745
    $759.95

  4. Levenhuk - 300mm Ra 300N Dob Newtonian Telescope

    Levenhuk - 300mm Ra 300N Dob Newtonian Telescope

    Levenhuk Ra 300N Dob Telescope is a Newtonian reflector with a focal length of 1520 mm (59.8 in) and an aperture of 300 mm (11.8 in).

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    (48 States)
    Model#: 50750
    $869.95

  5. Levenhuk - 254mm Ra 250N Dob Newtonian Telescope

    Levenhuk - 254mm Ra 250N Dob Newtonian Telescope

    Levenhuk Ra 250N Dob Telescope is a Newtonian telescope with an aperture of 254 mm (10 in) and a focal length of 1255 mm (49.4 in). Even if you are just thinking about getting into stargazing, this telescope is a perfect choice

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    (48 States)
    Model#: 50749
    $599.95

  6. Levenhuk - 200mm Ra 200N Dob Newtonian Telescope

    Levenhuk - 200mm Ra 200N Dob Newtonian Telescope

    Levenhuk Ra 200N Dob Telescope is a Newtonian telescope with a focal length of 1200 mm (47.2 in) and an aperture of 200 mm (7.9 in).

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    (48 States)
    Model#: 50748
    $394.95

  7. Levenhuk - Strike 90 PLUS Refractor Telescope

    Levenhuk - Strike 90 PLUS Refractor Telescope

    Levenhuk Strike 90 PLUS is a wonderful telescope for anyone who is beginning his or her forays into celestial observations.

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    Model#: 37359
    $199.95

  8. Levenhuk - Strike 135 PLUS Newtonian Telescope

    Levenhuk - Strike 135 PLUS Newtonian Telescope

    Levenhuk Strike 80 NG is perfect for beginners or amateurs; an astronomy telescope that can help introduce learners to the fascinating world of stars, planets and far away galaxies.

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    (48 States)
    Model#: 37361
    $299.95

  9. Celestron - Advanced VX 11" Schmidt-Cassegrain Telescope

    Celestron - Advanced VX 11" Schmidt-Cassegrain Telescope

    For those looking to step up to an 11-inch optical tube, Advanced VX is a great option. Not only is it one of Celestron’s most affordable 11-inch telescopes, it is also one of the most portable.

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    (48 States)
    Model#: 12067
    $2,699.00

  10. Celestron Advanced VX 9.25" Schmidt-Cassegrain Telescope

    Celestron - Advanced VX 9.25" Schmidt-Cassegrain Telescope

    Advanced VX 9.25” SCT is an excellent choice for intermediate level astroimagers looking to gather 33% more light than our 8” telescope, but without the added weight of our 11” optical tube.

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    (48 States)
    Model#: 12046
    $2,099.00

  11. Meade - ETX-90 Astro Maksutov-Cassegrain Telescope with Autostar

    Meade - ETX-90 Astro Maksutov-Cassegrain Telescope with Autostar

    The ETX-90 Maksutov-Cassegrain offers terrific optical quality that is the envy of the telescope industry, the easy to use Meade AutoStar computer handbox with over 30,000 object library, and a solid mount and tripod.

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    (48 States)
    Model#: 3514-04-15
    $399.00

  12. AG Optical 20" iDK Astrograph Telescope

    AG Optical - 20" Dall Kirkham Astrograph Telescope

    The 12" AG Optical astrograph has a medium focal ratio of f/6.7 and features an RMS spot size of 6 microns which makes for pinpoint images of stars at low field of views. This optical tube has a two element <0.5% reflective corrector which makes this possible by reducing many of the common light distortions such as coma.

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    (48 States)
    Model#: 20IDK
    $29,995.00

  13. AG Optical - 17" Dall Kirkham Astrograph Telescope

    AG Optical - 17" Dall Kirkham Astrograph Telescope

    The AG Optical 17" iDK Astrograph is an excellent astrograph for a wide variety of astrophotography. The telescope has a medium focal ratio of f/6.7 with 6 micron RMS spot size. This means that stars appear very pinpoint while still at large field of view.

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    (48 States)
    Model#: 17IDK
    $20,995.00

  14. AG Optical 12.5" Dall Kirkham Astrograph Telescope

    AG Optical - 12.5" Dall Kirkham Astrograph Telescope

    A great benefit behind the Dall Kirkham design is excellent off-axis performance. The 12.5 astrograph from AG Optical is in a carbon fiber tub and has a medium focal ratio with a large aperture to support a variety optical and astrophotography combinations.

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    (48 States)
    Model#: 125IDK
    $10,995.00

  15. Borg - 77 ED II f/4.6 Astrograph Set (2178 + 7150 + 7137 + 7753 + 7835 + 7870)

    Borg - 77 ED II f/4.6 Astrograph Set (2178 + 7150 + 7137 + 7753 + 7835 + 7870)

    advantage of helical focusers is the fine adjustment possible, in part due to the fine pitch of the focusing ring's thread, and in part due to the large diameter of the ring. In the case of the Borg helical focusers, virtually backlash-free ... ... Learn More
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    (48 States)
    Model#: B07746
    $1,635.00

  16. Borg - 45 ED II f/5 Astrograph Set (6045 + 7857 + 7885)

    Borg - 45 ED II f/5 Astrograph Set (6045 + 7857 + 7885)

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    (48 States)
    Model#: B04561
    $850.00

  17. Astro-Tech ED Four Element 65mm f/6.5 Apochromatic Refractor

    Astro-Tech - ED Four Element 65mm f/6.5 Apochromatic Refractor

    This unique apochromatic ED quad refractor astrograph has a four lens/two group/two ED element fully-multicoated optical system.

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    (48 States)
    Model#: AT65EDQ
    $599.00

  18. Astro-Tech - White 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astro-Tech - White 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astronomy magazine called this scope’s predecessor, the 66mm Astro-Tech AT66ED, “a product everyone should own.”

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    (48 States)
    Model#: AT72WH
    $399.00

  19. Astro-Tech Green 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astro-Tech - Green 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    This green optical tube from Astro-Tech is a piece of equipment every advanced serious astronomer should consider. With high quality refractive optics, fabulous accessories, it is pretty amazing.

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    (48 States)
    Model#: AT72GR
    $399.00

  20. Astro-Tech - Blue 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astro-Tech - Blue 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astronomy magazine called this scope’s predecessor, the 66mm Astro-Tech AT66ED, “a product everyone should own.”

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    (48 States)
    Model#: AT72BL
    $399.00

Items 21 to 40 of 927 total

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