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Optical Guidance Systems

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  1. Optical Guidance Systems - Classic Cassegrain 10 " f/9 Truss or closed tube - Optical Tube Assembly
  2. RC10
  3. RC12.5

    Optical Guidance Systems - Ritchey-Chretien 12.5 " f/9 - Optical Tube Assembly

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    (48 States)
    Model#: RC12.5
    $19,900.00

  4. Optical Guidance Systems - Classic Cassegrain 12.5 " f/9 - Optical Tube Assembly

    Optical Guidance Systems - Classic Cassegrain 12.5 " f/9 - Optical Tube Assembly

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    (48 States)
    Model#: CC12.5
    $19,900.00

  5. Optical Guidance Systems RC 10 " f/9, EM400 Temma

    Optical Guidance Systems - RC 10 " f/9, EM400 Temma

    OGS was the first to bring worldwide acceptance to the Ritchey-Chretien line of ... Learn More
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    (48 States)
    Model#: RC10-EM400
    $24,890.00

  6. Optical Guidance Systems - Classic Cassegrain 14.5 " f/7.9 - Optical Tube Assembly

    Optical Guidance Systems - Classic Cassegrain 14.5 " f/7.9 - Optical Tube Assembly

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    (48 States)
    Model#: CC14.5
    $24,900.00

  7. Optical Guidance Systems - Ritchey-Chretien 14.5 " f/7.9 - Optical Tube Assembly

    Optical Guidance Systems - Ritchey-Chretien 14.5 " f/7.9 - Optical Tube Assembly

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    (48 States)
    Model#: RC14.5
    $24,900.00

  8. Optical Guidance Systems RC 10 " f/9, Paramount ME

    Optical Guidance Systems - RC 10 " f/9, Paramount ME

    OGS was the first to bring worldwide acceptance to ... Learn More
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    (48 States)
    Model#: RC10-ME
    $31,340.00

  9. Optical Guidance Systems - RC 12.5 " f/9, Takahashi EM500 Temma

    Optical Guidance Systems - RC 12.5 " f/9, Takahashi EM500 Temma

    OGS was the first to bring worldwide acceptance to ... Learn More
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    (48 States)
    Model#: RC12.5-EM500
    $35,600.00

  10. Optical Guidance Systems - RC 12.5 " f/9, Paramount ME

    Optical Guidance Systems - RC 12.5 " f/9, Paramount ME

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    Model#: RC12.5-ME
    $36,420.00

  11. Optical Guidance Systems - Classic Cassegrain 16 " f/8.4 - Optical Tube Assembly

    Optical Guidance Systems - Classic Cassegrain 16 " f/8.4 - Optical Tube Assembly

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    (48 States)
    Model#: CC16
    $37,900.00

  12. RC16

    Optical Guidance Systems - Ritchey-Chretien 16 " f/8.4 - Optical Tube Assembly

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    (48 States)
    Model#: RC16
    $37,900.00

  13. Optical Guidance Systems - RC 14.25 " f/8, Takahashi EM500

    Optical Guidance Systems - RC 14.25 " f/8, Takahashi EM500

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    Model#: RC14.25-EM500
    $40,600.00

  14. Optical Guidance Systems - RC 14.25 " f/8, Paramount ME

    Optical Guidance Systems - RC 14.25 " f/8, Paramount ME

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    Model#: RC14.25-ME
    $41,420.00

  15. Optical Guidance Systems - RC 12.5 " f/9, OGS/MI-750 Fork with AP 1200 control

    Optical Guidance Systems - RC 12.5 " f/9, OGS/MI-750 Fork with AP 1200 control

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    (48 States)
    Model#: RC12.5-750F
    $43,140.00

  16. Optical Guidance Systems - RC 14.25 " f/8, OGS/MI-750 Fork with AP 1200 control

    Optical Guidance Systems - RC 14.25 " f/8, OGS/MI-750 Fork with AP 1200 control

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    (48 States)
    Model#: RC14.25-750F
    $48,140.00

  17. Optical Guidance Systems - RC 16 " f/8.4, Paramount ME

    Optical Guidance Systems - RC 16 " f/8.4, Paramount ME

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    (48 States)
    Model#: RC16-ME
    $54,650.00

  18. RC20

    Optical Guidance Systems - Ritchey-Chretien 20 " f/8.1 - Optical Tube Assembly

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    (48 States)
    Model#: RC20
    $58,900.00

  19. Optical Guidance Systems - Classic Cassegrain 20 " f/8.1 - Optical Tube Assembly

    Optical Guidance Systems - Classic Cassegrain 20 " f/8.1 - Optical Tube Assembly

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    FREE SHIPPING
    (48 States)
    Model#: CC20
    $58,900.00

  20. Optical Guidance Systems - RC 16 " f/8.4, OGS/MI-750 Fork with AP 1200 control

    Optical Guidance Systems - RC 16 " f/8.4, OGS/MI-750 Fork with AP 1200 control

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    (48 States)
    Model#: RC16-750F
    $61,500.00

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Optical Guidance Systems is in our 26th year of providing research quality telescopes, mountings, computer control systems, and accessories to a discerning clientele. OGS was the first telescope maker to earn global acceptance for the Ritchey-Chretien (RC) line of optical tube assemblies, and with well over 100 telescopes worldwide, we remain the #1 manufacturer of RC telescopes. As well, we continue to specialize in “turn-key” robotic and Internet-controlled telescope systems.

The OGS mission is to continue to provide our customers with superior performance and years of trouble-free operation by building instruments that are the ultimate in optical and mechanical excellence complimented by sophisticated automated controls and Internet capabilities. And whether your interest is in visual observation, photography or electronic imaging, photometry or spectroscopy, it is mission critical for us to furnish an instrument to meet your requirements.

Our goal is to provide you with forward-edge technology based on our proven methods, the finest quality products and services to our customers and to do this more efficiently and economically than our competitors. By satisfying our customers' needs, they will continue to do business with us and will recommend us to others.