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2" Filters

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  1. Optolong LRGB Filter Set - 2" Mounted

    Optolong - LRGB Filter Set - 2" Mounted

    The Optolong LRGB Filter Set includes four 2" mounted imaging filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging.

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    Model#: LRGB-200
    $359.00

  2. Optolong UBVRI Filter Set - 2" Mounted

    Optolong - UBVRI Filter Set - 2" Mounted

    This photometric UBVRI filter set includes five 2" round mounted filters: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).

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    Model#: UBVRI-200
    $830.00

  3. Optolong H-Beta 25nm Filter - 2" Mounted

    Optolong - H-Beta 25nm Filter - 2" Mounted

    This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).

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    Model#: HBTA25-200
    $139.00

  4. Optolong Moon SkyGlow Filter - 2" Mounted

    Optolong - Moon SkyGlow Filter - 2" Mounted

    The Optolong Moon and Skyglow Filter is ideal for both visual and photographic usage. You'll see a darker background sky because of the obstruction of natural skyglow at 589nm wavelength and in emission from lights that cause artificial light pollution.

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    Model#: MSG-200
    $70.00

  5. Optolong UV-IR Cut Filter 2" Mounted

    Optolong - UV-IR Cut Filter - 2" Mounted

    Improve image sharpness with the addition of an Optolong UV-IR Cut Filter, which blocks Ultraviolet and Infrared transmissions yet lets the visible spectral lines shine through. The IR (700nm to 1100nm) and UV (300nm - 400nm) part of the spectrum are not detectable to human eyes, however not to most CCD and other computerized cameras, which are sensitive to 300nm to 1100nm.

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    Model#: UVIR-200
    $65.00

  6. Optolong Clear Focusing Filter - 2" Mounted

    Optolong - Clear Focusing Filter - 2" Mounted

    With a 98.5% transmission of the visible spectrum region of 420-680nm, the Optolong Clear Focusing Filter can be utilized to effortlessly focus your photographic goal before imaging.

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    Model#: CFF-200
    $31.00

  7. Optolong Night Sky H-Alpha Filter - 2" Mounted

    Optolong - Night Sky H-Alpha Filter - 2" Mounted

    The Optolong Night Sky H-Alpha filter, or IR-Pass 650nm channel, can be utilized for imaging of the Moon, planets and deep sky objects that emit H-alpha wavelengths.

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    Model#: NSHA-200
    $119.00

  8. Baader Planetarium - UV-IR Rejection Filter - 2"

    Baader Planetarium - UV-IR Rejection Filter - 2"

    Astrophotography with CCD cameras, digital cameras and webcams will only get better with the addition of the Baader UV-IR Rejection Filter!

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    Model#: BPUVIR2
    $114.00

  9. Baader Planetarium 2" Polarization Filter - Single

    Baader Planetarium - 2" Polarization Filter - Single

    The Baader 2" Polarizer can attacha a T2-15 adapter, enabling the use of 1.25" eyepiece without removing the filter while keeping the eyepiece and filter position close.

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    Model#: FPOL-2
    $83.00

  10. 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
    $44.95

  11. 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
    $44.95

  12. 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
    $44.95

  13. 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
    $44.95

  14. 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
    $44.95

  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
    $44.95

  16. 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
    $44.95

  17. 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
    $44.95

  18. 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
    $49.95

  19. 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
    $49.95

  20. Lumicon - 2" Comet Filter

    Lumicon - 2" Comet Filter

    The Lumicon 2" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

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    Model#: LF3075
    $299.95

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