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  1. SM90TDB

    Coronado - Retro fit module for SM90T

    Internal module to lower bandwidth to ... Learn More
    Model#: SM90TDB
    $2,435.00

  2. Chroma filters

    Chroma Technology - 65mm x 65mm LRGB Filter Set - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: LRGB-65S
    $2,595.00

  3. Coronado - SolarMax II 60mm Filter with RichView™ Tuning with 30mm Blocking Filter

    Coronado - SolarMax II 60mm Filter with RichView™ Tuning with 30mm Blocking Filter

    Coronado by Meade SolarMax II Solar Filter set with RichView tuning system. Includes 60mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and Blocking Filter ... Learn More
    Model#: SMF60-30
    $2,499.00

  4. Lunt 60mm Ha Etalon Filter with B1800 for 2" Focuser

    Lunt - 60mm Ha Etalon Filter with B1800 for 2" Focuser

    Use the double-stack technique to reduce bandpass and get the best

    ...
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    Model#: LS60FHa2/B1800
    $2,496.00

  5. Custom Scientific - UBVRI 50mm Square Filter Set

    Custom Scientific - UBVRI 50mm Square Filter Set

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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    FREE SHIPPING
    (48 States)
    Model#: CU-UBVRI50S-SET
    $2,500.00

  6. Lunt 60mm Ha Etalon Filter with B1800 for 1.25" Focuser

    Lunt - 60mm Ha Etalon Filter with B1800 for 1.25" Focuser

    Use the double-stack technique to reduce bandpass and get the best

    ...
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    Model#: LS60FHa1/B1800
    $2,496.00

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