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Ritchey-Chretien Telescopes

Items 41 to 55 of 55 total

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  1. Levenhuk- 200mm Ra 200RC F8 Carbon OTA Ritchey-Chrétien Telescope

    Levenhuk- 200mm Ra 200RC F8 Carbon OTA Ritchey-Chrétien Telescope

    Levenhuk Ra 200RC F8 OTA is a Ritchey-Chrétien telescope with an aperture of 200 mm (7.9 in) and a focal length of 1600 mm (63 in).

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    (48 States)
    Model#: 50751

    Available

    $1,349.95

  2. Levenhuk - 250mm Ra 250RC F8 OTA Ritchey-Chrétien Telescope

    Levenhuk - 250mm Ra 250RC F8 OTA Ritchey-Chrétien Telescope

    Levenhuk Ra 250RC F8 OTA is a Ritchey-Chrétien telescope with an aperture of 250 mm (9.8 in) and a focal length of 2000 mm (78.7 in) in a traditional metal shell..

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    Model#: 50752

    In Stock

    $2,399.95

  3. CFF Telescopes Ritchey Chretien 400mm F/8 Supremax Primary Mirror Optical Tube Assembly - 55-65mm Diameter Field

    CFF Telescopes - Ritchey Chretien 400mm F/8 Optical Tube Assembly - 55-65mm Diameter Field

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    (48 States)
    Model#: CFF-400f8RC-55-65

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    $15,999.95

  4. CFF Telescopes Ritchey Chretien 300mm F/8 Supremax Primary Mirror Optical Tube Assembly - 55-65mm Diameter Field

    CFF Telescopes - Ritchey Chretien 350mm F/8 Supremax Primary Mirror Optical Tube Assembly - 55-65mm Diameter Field

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    (48 States)
    Model#: CFF-350f8RC-55-65

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    $11,999.95

  5. CFF Telescopes Ritchey Chretien 300mm F/8 Supremax Primary Mirror Optical Tube Assembly - 55-65mm Diameter Field

    CFF Telescopes - Ritchey Chretien 300mm F/8 Optical Tube Assembly - 55-65mm Diameter Field

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    (48 States)
    Model#: CFF-300f8RC-55-65

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    $9,799.95

  6. CFF Telescopes Ritchey Chretien 250mm F/8 Optical Tube Assembly - Supremax

    CFF Telescopes - Ritchey Chretien 250mm F/8 Optical Tube Assembly - 55-65mm Diameter Field

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    (48 States)
    Model#: CFF-250f8RC-55-65

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    $7,399.95

  7. CFF Telescopes Ritchey Chretien 250mm F/8 Optical Tube Assembly - Supremax

    CFF Telescopes - Ritchey Chretien 250mm F/8 Optical Tube Assembly

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    (48 States)
    Model#: CFF-250f8RC-44

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    $6,995.95

  8. Astro-Tech - 8" Ritchey Chretien Telescope

    Astro-Tech - 8" Ritchey Chretien Telescope

    A telescope with high quality optics is key to great observing. However, a high quality telescope priced reasonably is less common.

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    (48 States)
    Model#: AT8RC

    Available

    $1,395.00

  9. Astro-Tech 6" Ritchey Chretien Telescope

    Astro-Tech - 6" Ritchey Chretien Telescope

    Ritchey Chretien astrograph telescopes are exclusively used in many professional fields, including the HST. Astro-Tech has designed a 6" f/9 Astrograph that is based upon this design to the amateur astronomer at affordable prices.

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    (48 States)
    Model#: AT6RC

    Available

    Regular Price: $499.00

    Special Price: $399.00

  10. Astro-Tech - 12" Ritchey Chretien Astrograph

    Astro-Tech - 12" Ritchey Chretien Astrograph

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    (48 States)
    Model#: AT12RC

    Available

    $3,995.00

  11. Astro-Tech - 10" Ritchey Chretien Telescope

    Astro-Tech - 10" Ritchey Chretien Telescope

    Optical tubes based upon the Ritchey Chretien design are known very well for their successfull astrophotography, and the 10" optical tube by Astro-Tech is no different! What is different is the price!

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    (48 States)
    Model#: AT10RC

    Available

    $2,495.00

  12. Astro-Tech 10" Ritchey Chretien Astrograph with 3 Built in Rear Fans

    Astro-Tech - 10" Ritchey Chretien Astrograph with 3 Built in Rear Fans

    Developed by Astro-Tech to make large-format CCD imaging affordable for the amateur astronomer, the Astro-Tech AT10RCF is priced thousands of dollars less than the formerly least-expensive 10” R-C. The Astro-Tech AT10RCF is the first truly affordable large aperture true Ritchey-Chrétien astrograph available from a U. S. company.

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    (48 States)
    Model#: AT10RCF

    Available

    $3,495.00

  13. ASA 600mm f/8 Ritchey-Chretien Telescope Open Truss Tube

    ASA - 600mm f/8 Ritchey-Chretien Telescope - Open Truss Tube

    ASA has developed a fantastic line of high quality Ritchey-Chretien Telescopes perfectly geared for extensive research or high level astro-imaging. The ASA 600mm f/8 is a fast high quality optical system that uses a hyperbolic primary mirror to form the image behind the cell and uses the secondary mirror for focusing by moving it along its axis via a computerized electrical drive system. These optical systems are similar to Cassegrains, but has improvements in the field correction even without a field-flattener lens being used.

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    Model#: ASA-ASA600RC

    This item is custom made and will be made per your request. Payment is due in advance.

    $91,395.00

    Out of stock

  14. ASA - 500mm f/8 Ritchey-Chretien Telescope - Open Truss Tube

    ASA - 500mm f/8 Ritchey-Chretien Telescope - Open Truss Tube

    ASA has developed a fantastic line of high quality Ritchey-Chretien Telescopes perfectly geared for extensive research or high level astro-imaging. The ASA 500mm f/8 is a fast high quality optical system that uses a hyperbolic primary mirror to form the image behind the cell and uses the secondary mirror for focusing by moving it along its axis via a computerized electrical drive system. These optical systems are similar to Cassegrains, but has improvements in the field correction even without a field-flattener lens being used.

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    Model#: ASA-ASA500RC

    This item is custom made and will be made per your request. Payment is due in advance.

    $55,995.00

  15. ASA - 400mm f/8 Ritchey-Chretien Telescope - Open Truss Tube

    ASA - 400mm f/8 Ritchey-Chretien Telescope - Open Truss Tube

    ASA has developed a fantastic line of high quality Ritchey-Chretien Telescopes perfectly geared for extensive research or high level astro-imaging. The ASA 400mm f/8 is a fast high quality optical system that uses a hyperbolic primary mirror to form the image behind the cell and uses the secondary mirror for focusing by moving it along its axis via a computerized electrical drive system. These optical systems are similar to Cassegrains, but has improvements in the field correction even without a field-flattener lens being used.

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    Model#: ASA-ASA400RC

    This item is custom made and will be made per your request. Payment is due in advance.

    $36,595.00

Items 41 to 55 of 55 total

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