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  1. AstroSystems - 2.60 " Secondary Holder - 3/8 " shaft

    AstroSystems - 2.60 " Secondary Holder - 3/8 " shaft

    These have a 3/8" mounting stud and have our new long thumbscrews to clear the spider for easy, no tools collimation ... Learn More
    Model#: AS_SH_2.60
    $39.00

  2. AstroSystems - 2.50 " Secondary Holder - 3/8 " shaft

    AstroSystems - 2.50 " Secondary Holder - 3/8 " shaft

    These have a 3/8" mounting stud and have our new long thumbscrews to clear the spider for easy, no tools collimation ... Learn More
    Model#: AS_SH_2.50
    $39.00

  3. AstroSystems - 2.14 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    AstroSystems - 2.14 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    These have a 1/4" mounting stud and a 1/4" to 3/8" bushing to fit both 1/4" and 3/8" spiders. The smaller diameter mounting stud reduces the weight by 50% ... Learn More
    Model#: AS_SH_2.14
    $35.00

  4. AstroSystems - 2.00 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    AstroSystems - 2.00 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    These have a 1/4" mounting stud and a 1/4" to 3/8" bushing to fit both 1/4" and 3/8" spiders. The smaller diameter mounting stud reduces the weight by 50% ... Learn More
    Model#: AS_SH_2.00
    $33.00

  5. AstroSystems - 1.83 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    AstroSystems - 1.83 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    These have a 1/4" mounting stud and a 1/4" to 3/8" bushing to fit both 1/4" and 3/8" spiders. The smaller diameter mounting stud reduces the weight by 50% ... Learn More
    Model#: AS_SH_1.83
    $32.00

  6. AstroSystems - 1.52 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    AstroSystems - 1.52 " Secondary Holder - 1/4 " shaft with 3/8 " adapter

    These have a 1/4" mounting stud and a 1/4" to 3/8" bushing to fit both 1/4" and 3/8" spiders. The smaller diameter mounting stud reduces the weight by 50% ... Learn More
    Model#: AS_SH_1.52
    $31.00

  7. BRKTLBNT

    JMI - Locking Nose Tabs ONLY

    Locking Nose Tabs ONLYComments:Locking Nose Tabs secure the nose assembly to the mirror tub for easier transportation (included in the Transporter Kit above) ... Learn More
    Model#: BRKTLBNT
    $49.00

  8. Optional Mirror Shutter for Reflector Telescopes by Officina Stellare

    Officina Stellare - Primary Mirror Shutter

    Optional mirror shutter for Officina Stellare Pro RC, Ultra CRC, Veloce, Rila, and Supreme telescopes.

    ...
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    Model#: PRISHUTTER
    $1,992.00

  9. Orion - 1.25" Astrophotography Flip Mirror

    Orion - 1.25" Astrophotography Flip Mirror

    The Orion Flip Mirror makes framing and focusing celestial objects for CCD astrophotography as easy as flipping a switch!

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    Model#: 05523
    $149.95

  10. Levenhuk - 1.25" Ra Star Diagonal, 99%

    Levenhuk - 1.25" Ra Star Diagonal, 99%

    Levenhuk Ra 1.25'' star diagonal is a high-quality diagonal mirror that has a reflection angle of 90° and a barrel diameter of 1.25''.

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    Model#: 45132
    $69.95

  11. Levenhuk - 2" Ra Star Diagonal, 99%

    Levenhuk - 2" Ra Star Diagonal, 99%

    Levenhuk Ra 1.25'' star diagonal is a high-quality diagonal mirror that has a reflection angle of 90° and a barrel diameter of 1.25''.

    ...
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    Model#: 45133
    $109.95

  12. Lumicon - 6" f/6 Parks Primary Mirror with Simi Enhanced Aluminum Coating

    Lumicon - 6" f/6 Parks Primary Mirror with Simi Enhanced Aluminum Coating

    Parks mirrors are made of premium fine annealed, low expansion Pyrex, with a full 1:6 ratio of thickness to diameter.

    ...
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    (48 States)
    Model#: 601-21010
    $325.90

  13. Vixen - Flip Mirror Diagonal

    Vixen - Flip Mirror Diagonal

    With an enhanced aluminum coating giving 96% reflectivity, this flip mirror diagonal has much to offer.  Attach this diagonal to your telescope via a 2” threaded barrel that accepts 49mm filters.

    ...
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    Model#: 2680
    $109.95

  14. Optec - 4-Port Instrument Selector with three 2" ports and one 3" port.

    Optec - 4-Port Instrument Selector with three 2" ports and one 3" port.

    Optec's new 4-port Instrument Selector allows the remote observatory user the ability to remotely select any of four instrument packages attached to their telescope.This is Optec's new 4-port instrument selector ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 19600
    $2,975.00

  15. Lumicon - 1.83 " Enhanced Secondary Mirror

    Lumicon - 1.83 " Enhanced Secondary Mirror

    The Lumicon 1.83 inch Enhanced Secondary Mirror, LD2025, is the same high-quality 1/8th wave mirror that Lumicon uses in its 2" Enhanced Aluminum Diagonal, the LD1015, and is suitable for use as a secondary mirror in Newtonian telescopes ... Learn More
    Model#: LD2025
    $127.95

  16. Lumicon - 1.33 " Enhanced Secondary Mirror

    Lumicon - 1.33 " Enhanced Secondary Mirror

    The Lumicon 1.33" Enhanced Aluminum Secondary Mirror, LD2020, is the same high-quality 1/8th wave mirror that Lumicon uses in its 1.25" Enhanced Aluminum Diagonal, the LD1010, and is suitable for use as a secondary mirror in Newtonian telescopes ... Learn More
    Model#: LD2020
    $89.95

  17. Lumicon - 1.83 " LumiBrite Secondary Mirror

    Lumicon - 1.83 " LumiBrite Secondary Mirror

    The Lumicon 1.83 inch LumiBrite Secondary Mirror, LD2015, is the same high-quality 1/8th wave mirror that Lumicon uses in its 2" LumiBrite Diagonal, the LD1025, and is suitable for use as a secondary mirror in Newtonian telescopes ... Learn More
    Model#: LD2015
    $190.95

  18. Lumicon - 1.33 " LumiBrite Secondary Mirror

    Lumicon - 1.33 " LumiBrite Secondary Mirror

    The Lumicon 1.33" LumiBrite Secondary Mirror, LD2010, is the same high-quality 1/8th wave mirror that Lumicon uses in its 1.25" LumiBrite Diagonal, the LD1020, and is suitable for use as a secondary mirror in Newtonian telescopes ... Learn More
    Model#: LD2010
    $127.95

  19. Lumicon - 10 " f/5 Primary Mirror

    Lumicon - 10 " f/5 Primary Mirror

    PARKS OPTICAL Certificate of Optical Quality and AuthenticityIt is hereby certified that this mirror has passed a series of critical optical precision tests and carries a full lifetime warranty from PARKS OPTICAL against manufacturing and material defe ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 601-21060
    $765.95

  20. Lumicon - 8 " f/6 Primary Mirror

    Lumicon - 8 " f/6 Primary Mirror

    PARKS OPTICAL Certificate of Optical Quality and AuthenticityIt is hereby certified that this mirror has passed a series of critical optical precision tests and carries a full lifetime warranty from PARKS OPTICAL against manufacturing and material defe ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 601-21040
    $446.95

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