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2" Filters

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  1. Astronomik 6 nm OIII MFR Narrowband Filter - 2" Mounted

    Astronomik - 6 nm OIII MFR Narrowband Filter - 2" Mounted

    The OIII line (501 nm) is located in the blue-green portion of the spectrum, making them very suitable for observing most planetary nebulae and supernovae remnants and other objects with doubly ionized oxygen.

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    (48 States)
    Model#: OIIICCD6-2
    $449.95

  2. Levenhuk - 2" Ra H-Beta Filter

    Levenhuk - 2" Ra H-Beta Filter

    Levenhuk Ra H-Beta 2'' filter is used for observations of deep-sky objects, such as emission nebulae (H II) and others.

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    Model#: 35438
    $119.95

  3. Levenhuk - 2" Ra CLS Filter

    Levenhuk - 2" Ra CLS Filter

    Levenhuk Ra CLS 2'' filter is capable of enhancing the contrast of observed nebulae and other deep-sky objects, which will be very useful for those who often stargaze in the city.

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    Model#: 35439
    $84.95

  4. Astronomik - Dark Filter - 2"

    Astronomik - Dark Filter - 2"

    Do you have a CCD camera without a mechanical shutter and would like to do dark frames without continually monitoring your equipment?

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    Model#: DARK-2
    $49.95

  5. TO - LP-4  H-Beta (Red Cell)  2"

    TO - LP-4 H-Beta (Red Cell) 2"

    LP-4 H-Beta (Red Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-2
    $179.00

  6. TO - LP-3  OIII (Green Cell)  2"

    TO - LP-3 OIII (Green Cell) 2"

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    Model#: LP3-2
    $179.00

  7. TO - LP-2  Narrowband (Blue Cell)  2"

    TO - LP-2 Narrowband (Blue Cell) 2"

    LP-2 Narrowband (Blue Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP2-2
    $179.00

  8. TO - LP-1  Broadband (Black Cell)  2"

    TO - LP-1 Broadband (Black Cell) 2"

    Enhanced deep sky viewing with the latest in multi ... Learn More
    Model#: LP1-2
    $149.00

  9. TeleVue - OIII Bandmate Filter 2"*

    TeleVue - OIII Bandmate Filter 2"*

    This OIII filter particularly enhances planetary nebulae in larger telescopes Narrowband filter for high transmission, with high blocking of unwanted longer wavelengths to yield high-contrast images ... Learn More
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    (48 States)
    Model#: BFO-0200
    5% off

    Regular Price: $315.00

    Special Price: $299.25

  10. Lumicon - Filter # 11 Yellow-Green 2"

    Lumicon - Filter # 11 Yellow-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#: LF2015
    $35.95

  11. 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

  12. Lumicon - 2"  Ultra High Contrast Filter

    Lumicon - 2" Ultra High Contrast Filter

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    FREE SHIPPING
    (48 States)
    Model#: LF3030

    Regular Price: $336.00

    Special Price: $239.95

  13. Lumicon - 2" Deep Sky Filter

    Lumicon - 2" Deep Sky Filter

    The best all-purpose nebula filter on the market today.

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    (48 States)
    Model#: LF3015
    $239.95

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. Levenhuk - 2" Ra O-III Filter

    Levenhuk - 2" Ra O-III Filter

    Levenhuk Ra O-III 2'' filter is a narrow-passband filter with a barrel diameter of 2'' that transmits wavelengths of the visible spectrum within 150 Å (15 nm) range.

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    Model#: 35436
    $94.95

  20. Levenhuk - 2" Ra UHC Filter

    Levenhuk - 2" Ra UHC Filter

    Levenhuk Ra UHC 2'' filter is a great accessory for deep-sky observations under urban illumination conditions. This filter has a 0.92 transmittance

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    Model#: 35437
    $98.95

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