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We wish you Happy Holidays! / Check our Holidays Schedule. Order fulfillment may be a bit delayed during Holidays Vacations./ Free Shipping for orders over $500* Some exceptions may apply.

Broadband Filters

Broadband allow wide wavelength ranges of incident light to pass through; in selected regions of the spectrum, these filters block the light. These are the best for galaxy imaging.

Filters

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Optolong L-Pro Filter - Astronomy Plus
Optolong L-Pro Filter - Astronomy Plus
$201.00 - $390.00
$201.00 - $390.00
$201.00 - $390.00
$201.00

Optolong L-Pro Filter

Optolong

Optolong L-Pro Filter The Optolong L-Pro Filter is designed to improve the visibility of various deepsky objects. By selectively reducing the trans...

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$201.00 - $390.00
$201.00 - $390.00
$201.00 - $390.00
$201.00
$143.00 - $539.00
$143.00 - $539.00
$143.00 - $539.00
$143.00

Baader UHC-L / Ultra-L-Booster Filter (CMOS-optimized)

Baader Planetarium

Baader UHC-L / Ultra-L-Booster Filter (CMOS-optimized) New CMOS-optimized Baader UHC-L DeepSky Filter from Baader Planetarium with Reflex-Blocker™a...

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$143.00 - $539.00
$143.00 - $539.00
$143.00 - $539.00
$143.00
Astronomik UHC Filter - Astronomy Plus
Astronomik UHC Filter - Astronomy Plus
$125.00 - $301.00
$125.00 - $301.00
$125.00 - $301.00
$125.00

Astronomik UHC Filter

Astronomik

Astronomik UHC Filter You will enjoy using your Astronomik UHC Filter because you will see more stars and more details in deep-sky-objects compared...

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$125.00 - $301.00
$125.00 - $301.00
$125.00 - $301.00
$125.00
Optolong UHC Light Pollution Filter - Astronomy Plus Save up to $70.00 Save $0.00
$155.00
$75.00 - $255.00
$155.00
$75.00 - $255.00
$75.00 - $255.00
$75.00

Optolong UHC Light Pollution Filter

Optolong

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

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$155.00
$75.00 - $255.00
$155.00
$75.00 - $255.00
$75.00 - $255.00
$75.00
Save up to $70.00 Save $0.00
IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter - Astronomy Plus
IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter - Astronomy Plus
$429.00 - $470.00
$429.00 - $470.00
$429.00 - $470.00
$429.00

IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter

IDAS

IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter The IDAS NBZ-II is a new dual band nebula booster filter - the successor to the NBZ (NBZex) ...

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$429.00 - $470.00
$429.00 - $470.00
$429.00 - $470.00
$429.00
$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00

Baader AstroSolar Photo Film OD 3.8

Alpine Astro

Baader AstroSolar Photo Film OD 3.8 AstroSolar Photo Film (imaging only), telescope quality, Optical Density OD = 3.8 Digital solar imaging at hig...

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$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00
Optolong L-Pro Filter - Astronomy Plus
Optolong L-Pro Filter - Astronomy Plus
Save $203.00 Save $0.00
$363.00
$363.00 - $363.00
$363.00
$160.00
$160.00 - $160.00
$160.00

Optolong L-Pro Filter Clip for Canon EOS Full-Frame

Optolong

Optolong L-Pro Filter Clip for Canon EOS Full-Frame The Optolong L-Pro Filter is designed to improve the visibility of various deepsky objects. By ...

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$363.00
$363.00 - $363.00
$363.00
$160.00
$160.00 - $160.00
$160.00
Save $203.00 Save $0.00
IDAS LPS-D3 filter (Replaced by LPS-C1) - Astronomy Plus
$251.37 - $277.97
$251.37 - $277.97
$251.37 - $277.97
$251.37

IDAS NGS1 / LPS-D3 filter

IDAS

IDAS NGS1 / LPS-D3 filter IDAS LPS-D3(formerly NGS1) filters enhance the contrast of astronomical emission nebulae against a sky with both man-made...

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$251.37 - $277.97
$251.37 - $277.97
$251.37 - $277.97
$251.37
Celestron 2" UHC/LPR Filter (94124) - Astronomy Plus
Celestron 2" UHC/LPR Filter (94124) - Astronomy Plus
$162.00 - $162.00
$162.00
$162.00 - $162.00
$162.00

Celestron 2" UHC/LPR Filter (94124)

Celestron

Celestron 2" UHC/LPR Filter Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengt...

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$162.00 - $162.00
$162.00
$162.00 - $162.00
$162.00
$100.00 - $490.00
$100.00 - $490.00
$100.00 - $490.00
$100.00

Astronomik CLS Filter

Astronomik

Astronomik CLS Filter The Astronomik CLS Filter is a budget filter for visual observation, Black & White photography and CCD photographs of neb...

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$100.00 - $490.00
$100.00 - $490.00
$100.00 - $490.00
$100.00
$174.00 - $174.00
$174.00
$174.00 - $174.00
$174.00

Explore Scientific Nebula Filter CLS 2.0-inch (310220)

Explore Scientific

Explore Scientific Nebula Filter CLS 2.0-inch   Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmissi...

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$174.00 - $174.00
$174.00
$174.00 - $174.00
$174.00
$202.00 - $202.00
$202.00
$202.00 - $202.00
$202.00

Explore Scientific Nebula Filter UHC 2.0-inch (310210)

Explore Scientific

Explore Scientific Nebula Filter UHC 2.0-inch   Explore Scientific Nebula Filter 2.0" UHC Range from 458nm to 508nm with peak at 488nm. Transmissio...

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$202.00 - $202.00
$202.00
$202.00 - $202.00
$202.00
$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00

Explore Scientific Nebula Filter UHC 1.25-inch (310215)

Explore Scientific

Explore Scientific Nebula Filter UHC 1.25-inch   Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm. Transmiss...

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$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00

Explore Scientific Nebula Filter CLS 1.25-inch (310225)

Explore Scientific

Explore Scientific Nebula Filter CLS 1.25-inch   Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmiss...

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$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00
$218.70 - $5,585.00
$218.70 - $5,585.00
$218.70 - $5,585.00
$218.70

Baader SLOAN/SDSS Filters – Photometric (FSLN)

Baader Planetarium

Baader SLOAN/SDSS Filters – Photometric   Baader SLOAN-ugriz' Bandpass Filter Set, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric fil...

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$218.70 - $5,585.00
$218.70 - $5,585.00
$218.70 - $5,585.00
$218.70
IDAS GNB Galaxy & Nebula Filters - Astronomy Plus
IDAS GNB Galaxy & Nebula Filters - Astronomy Plus
$305.00 - $443.00
$305.00 - $443.00
$305.00 - $443.00
$305.00

IDAS GNB Galaxy & Nebula Filters

IDAS

IDAS GNB Galaxy & Nebula Filters Capturing Ha & OIII emission lines as well as the galaxy’s broadband signal in NIR at same time Availabl...

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$305.00 - $443.00
$305.00 - $443.00
$305.00 - $443.00
$305.00
Optolong CLS(City Light Suppression) Broadband Filter - Astronomy Plus
$74.00 - $255.00
$74.00 - $255.00
$74.00 - $255.00
$74.00

Optolong CLS(City Light Suppression) Broadband Filter

Optolong

Optolong CLS (City Light Suppression) Broadband Filter 1.  Optolong CLS Introduction The CLS (City Light Suppression) broadband filter is designed ...

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$74.00 - $255.00
$74.00 - $255.00
$74.00 - $255.00
$74.00
Astronomik CLS-CCD filter - Astronomy Plus
Astronomik CLS-CCD filter - Astronomy Plus
$125.00 - $667.00
$125.00 - $667.00
$125.00 - $667.00
$125.00

Astronomik CLS-CCD filter

Astronomik

Astronomik CLS-CCD filter The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomica...

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$125.00 - $667.00
$125.00 - $667.00
$125.00 - $667.00
$125.00
Optolong CLS-CCD(City Light Suppression) Broadband Filter - Astronomy Plus
$128.00 - $215.00
$128.00 - $215.00
$128.00 - $215.00
$128.00

Optolong CLS-CCD(City Light Suppression) Broadband Filter

Optolong

Optolong CLS CCD (City Light Suppression) Broadband Filter The CLS (City Light Suppression) broadband filter is designed to improve the visibility ...

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$128.00 - $215.00
$128.00 - $215.00
$128.00 - $215.00
$128.00
Astronomik UHC-E Filter - Astronomy Plus
Astronomik UHC-E Filter - Astronomy Plus
$95.00 - $377.00
$95.00 - $377.00
$95.00 - $377.00
$95.00

Astronomik UHC-E Filter

Astronomik

Astronomik UHC-E Filter The Astronomik UHC-E filter is our budget filter for deep-sky observation of emission nebulae and comets under light pollut...

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$95.00 - $377.00
$95.00 - $377.00
$95.00 - $377.00
$95.00
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