STORE FRONT: 5348 Topanga Canyon Blvd, Woodland Hills CA 91364

Welcome!

Filters

Items 1 to 20 of 46 total

per page
Page:
  1. 1

Set Descending Direction
  1. FLI Research Grade 65mm Square Sulfur II - 8nm

    FLI - Research Grade 65mm Square Sulfur II - 8nm

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-65S-SII
    $915.00

  2. FLI - Research Grade 50mm Diameter UBVRI Filters

    FLI - Research Grade 50mm Diameter UBVRI Filters

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-50D-UBVRI
    $1,045.00

  3. Baader Planetarium - 65mm  Square LRGB Filters - UV/IR Cut L-Filter

    Baader Planetarium - 65mm Square LRGB Filters - UV/IR Cut L-Filter

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: FLRGB-SQ65
    $949.00

  4. Chroma filters

    Chroma Technology - 50mm x 50mm LRGB Filter Set - Square

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-50S
    $1,085.00

  5. Baader Planetarium - Set 50.8mm for InterLine-CCD, consisting of 4 Filters: H-alpha 35nm, H-beta, O III, S-II

    Baader Planetarium - Set 50.8mm for InterLine-CCD, consisting of 4 Filters: H-alpha 35nm, H-beta, O III, S-II

    CCD imagers will find Baader's Premium Narrowband CCD passfilters to deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures possible ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: FNSET4-RD50
    $975.00

  6. Astrodon - Narrowband - 50mm Unmounted OIII 3nm Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 3nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: SII3-50R
    $995.00

  7. Lunt - Blocking Filter B1800 in 1.25" Diagonal with T2 Connection

    Lunt - Blocking Filter B1800 in 1.25" Diagonal with T2 Connection

    This 1.25" Lunt Solar Systems B1800 Blocking Filter is housed in a star diagonal with a T2 connection.For best performance, be sure to pair your Lunt Solar Systems h-Alpha filter with the proper sized Lunt blocking filter ... Learn More
    Model#: B1800d1
    $998.00

  8. Baader Planetarium - D-ERF Energy Rejection Filter 135mm with IR-Cut Dielectric Coating

    Baader Planetarium - D-ERF Energy Rejection Filter 135mm with IR-Cut Dielectric Coating

    Baader Planetarium D-ERF Energy Rejection Filter, 135mm with IR-Cut Dielectric CoatingBaader planetarium has introduced a new evolution in their premium energy rejection filters, from 70mm up to 180mm! These filters incorporate a new all-dielectric IR re ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: DERF-135
    $999.00

  9. Chroma filters

    Chroma Technology - Ha/8-65mm x 65mm Diameter Filter - Square

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: Ha/8-65S
    $915.00

  10. Baader Planetarium - 65mm Square LRGB Filters - UV/IR Cut L-Filter and Clear Filter

    Baader Planetarium - 65mm Square LRGB Filters - UV/IR Cut L-Filter and Clear Filter

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: FLRGBC-SQ65
    $1,029.00

  11. TO11-12.5HAOA

    TO - 11-12.5 " H-Alpha Filter OFF-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing... ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO11-12.5HAOA
    $929.00

  12. TO - 16 " H-Alpha Filter OFF-AXIS

    TO - 16 " H-Alpha Filter OFF-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing superb .. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO16HAOA
    $1,059.00

  13. TO11-12.5HACA

    TO - 11-12.5 " H-Alpha Filter CENTER-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing ... ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO11-12.5HACA
    $969.00

  14. Lunt - Calcium Module with B1800 Blocking Filter in Star Diagonal with T2 Connection

    Lunt - Calcium Module with B1800 Blocking Filter in Star Diagonal with T2 Connection

    Primarily on imaging systems due to the difficulty of many to visually see in CaK. To be used on telescopes with ... Learn More
    Model#: LS18CaKMDd2
    $1,194.00

  15. Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-50R
    $995.00

  16. DayStar Filters Quark Prominence Filter

    DayStar Filters - Quark Prominence Filter

    The DayStar Quark Prominence Filter works well on f/4-f/9 refractors by simply inserting the diagonal and eyepiece. Included is a custom Daystar 4.2X telecentric barlow designed for H-Alpha wavelengths and superior field flatness.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: DSZ4P
    $995.00

  17. B1800s2

    Lunt - Blocking Filter B1800s 2 " - in extension tube with T2 and 2 " connection

    2.00" Lunt Solar Systems B1800 Blocking Filter in extension tube with T2 and 2" connectionFor best performance, be sure to pair your Lunt Solar Systems h-Alpha filter with the proper sized Lunt blocking filter ... Learn More
    Model#: B1800s2
    $998.00

  18. DayStar Filters Energy Rejection Filter 150mm Glass, Cell and Cap

    DayStar Filters - Energy Rejection Filter - 150mm Glass, Cell and Cap

    The DayStar Energy Rejection Filters come in handy when the observer needs to reduce heat load on the filters by absorbing UV wavelengths.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: ERF-150
    $900.00

  19. Lunt Calcium Module with B1200 Blocking Filter in Star Diagonal with T2 Connection

    Lunt - Calcium Module with B1200 Blocking Filter in Star Diagonal with T2 Connection

    Calcium K (Ca-K) Telescopes and Filters are used to study the ... Learn More
    Model#: LS12CaKMDd2
    $1,018.00

  20. FLI - Research Grade 65mm Square Oxygen III

    FLI - Research Grade 65mm Square Oxygen III

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-65S-OIII
    $915.00

Items 1 to 20 of 46 total

per page
Page:
  1. 1

Set Descending Direction