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2" Filters

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  1. Lumicon - Night Sky H-Alpha Filter  2"

    Lumicon - Night Sky H-Alpha Filter 2"

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above

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    Model#: LF3090

    Regular Price: $168.00

    Special Price: $119.95

  2. Lumicon - Minus Violet Filter 2"

    Lumicon - Minus Violet Filter 2"

    Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes

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    Model#: LF3125

    Regular Price: $134.00

    Special Price: $95.95

  3. Lumicon - Filter Variable Polarizer 2"

    Lumicon - Filter Variable Polarizer 2"

    The LF2115, 2" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from about 5% to 35%. Fits 2" eyepieces.

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    Model#: LF2115

    Regular Price: $62.95

    Special Price: $49.95

  4. Lumicon - Filter Single Polarizer 2"

    Lumicon - Filter Single Polarizer 2"

    The LF2110, 2" Polarizing Filter, is the best all-purpose lunar and planetary filter. Cuts glare and increases contrast on the moon and planets ... Learn More
    Model#: LF2110

    Regular Price: $51.00

    Special Price: $47.95

  5. Lumicon - Filter Neutral Density 50 2"

    Lumicon - Filter Neutral Density 50 2"

    The LF2090, 2" Neutral Density 50 Filter (ND50), transmits 50% of all incident light, while blocking 50%

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    Model#: LF2090
    $35.95

  6. Lumicon - Filter Neutral Density 25 2"

    Lumicon - Filter Neutral Density 25 2"

    The LF2085, 2" Neutral Density 25 Filter (ND25), transmits 25% of all incident light, while blocking 75%. For lunar and planetary observing with 5" (125mm) and larger telescopes.

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    Model#: LF2085

    Regular Price: $46.00

    Special Price: $35.95

  7. Lumicon - Filter Neutral Density 13 2"

    Lumicon - Filter Neutral Density 13 2"

    The LF2080, 2" Neutral Density 13 (ND13), transmits 13% of all incident light, while blocking 87%.

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    Model#: LF2080

    Regular Price: $46.00

    Special Price: $35.95

  8. Lumicon - Filter # 82A Light Blue 2"

    Lumicon - Filter # 82A Light Blue 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2075
    $35.95

  9. Lumicon - Filter # 80A Blue 2"

    Lumicon - Filter # 80A Blue 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2070
    $35.95

  10. Lumicon - Filter # 8 Light Yellow 2"

    Lumicon - Filter # 8 Light Yellow 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2010
    $35.95

  11. Lumicon - Filter # 58 Dark Green 2"

    Lumicon - Filter # 58 Dark Green 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings

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    Model#: LF2065
    $35.95

  12. Lumicon - Filter # 56 Green 2"

    Lumicon - Filter # 56 Green 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2060
    $35.95

  13. Lumicon - Filter # 47 Violet 2"

    Lumicon - Filter # 47 Violet 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2055
    $35.95

  14. Lumicon - Filter # 38A Dark Blue 2"

    Lumicon - Filter # 38A Dark Blue 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2050
    $35.95

  15. Lumicon - Filter # 29 Dark Red 2"

    Lumicon - Filter # 29 Dark Red 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2045
    $35.95

  16. Lumicon - Filter # 25 Red 2"

    Lumicon - Filter # 25 Red 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2040
    $35.95

  17. Lumicon - Filter # 23A Light Red 2"

    Lumicon - Filter # 23A Light Red 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging

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    Model#: LF2035
    $35.95

  18. Lumicon - Filter # 21 Orange 2"

    Lumicon - Filter # 21 Orange 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2030
    $35.95

  19. Lumicon - Filter # 15 Dark Yellow 2"

    Lumicon - Filter # 15 Dark Yellow 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

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    Model#: LF2025
    $35.95

  20. Lumicon - Filter # 12 Yellow 2"

    Lumicon - Filter # 12 Yellow 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides

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    Model#: LF2020
    $35.95

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