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HomeOpticsTelescopesAstrophotographyAstro Imaging Filters

Astro Imaging Filters

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Alpine Astronomical Baader UBVRI Bessel B Filter (2" Eyepiece Filter)

Alpine Astronomical Baader UBVRI Bessel B Filter (2" Eyepiece Filter)

BH # ALFBES2B MFR # FBES-2B
Key Features
  • Photometric Filter: B Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$25800
In Stock
No Store Display
Free 2-Day Shipping
Alpine Astronomical Baader SLOAN/SDSS u' Filter (36mm Round, Unmounted)

Alpine Astronomical Baader SLOAN/SDSS u' Filter (36mm Round, Unmounted)

BH # ALFSLNRD36U MFR # FSLN-RD36U
Key Features
  • SLOAN-u' Bandpass Filter
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$26400
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

Pegasus Astro 2" Mounted Photographic S2 7nm Filter

BH # PEFLTR2MS2 MFR # PEG-FLTR-2M-S2
See All Details
$26445
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Pegasus Astro 2" Mounted Photographic O3 7nm Filter

BH # PEFLTR2MO3 MFR # PEG-FLTR-2M-O3
See All Details
$26445
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Pegasus Astro 2" Mounted Photographic 7nm Ha Filter

BH # PEFLTR2MHA MFR # PEG-FLTR-2M-HA
See All Details
$26445
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Celestron Light Pollution Imaging Filter for 8" RASA OTA

BH # CELPIFRASA8 MFR # 93614
Key Features
  • Designed Specifically for the 8" RASA
  • Selectively Filters Ambient Light
  • Dichroic Anti-Reflection Coatings
  • Maintains a Neutral Color Balance
Available in other Styles, Configurations & Kits
$27499
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader H-beta Narrowband Filter (36mm Round, Unmounted)

BH # ALFCHBNRD36 MFR # FCHBN-RD36
Key Features
  • 5.5nm FWHM, Ideal from f/10 to f/3.5
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$28300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader UBVRI Bessel V Filter (50.4mm Round, Unmounted)

BH # ALFBESRD50V MFR # FBES-RD50V
Key Features
  • Photometric Filter: V Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$28400
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader UBVRI Bessel R Filter (50.4mm Round, Unmounted)

BH # ALFBESRD50R MFR # FBES-RD50R
Key Features
  • Photometric Filter: R Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$28400
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader UBVRI Bessel B Filter (50.4mm Round, Unmounted)

BH # ALFBESRD50B MFR # FBES-RD50B
Key Features
  • Photometric Filter: B Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$28400
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

SVBONY SV227 SHO SII, H-a, OIII 5nm Narrowband Filter Set (2")

BH # SVW9187DADB MFR # W9187DA-W9187DB-W9187DC
Key Features
  • Mounted Filters for Astrophotography
  • For f/5 and Higher Telescopes
  • Peak Transmittance over 90%
  • Male M48 x 0.75 Thread
See All Details
$28499
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader Canon EOS Wide T-Ring System with Nebula Filter

BH # ALDSLRTUHC MFR # DSLRT-UHC
Key Features
  • Canon EOS Bayonet Mount
  • For Filtered Astrophotography Images
  • 2" Mounted/50.4mm Unmounted Filters
  • Eliminates Vignetting on Fast Systems
Available in other Styles, Configurations & Kits
$29400
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

ZWO 2" OIII Filter 7nm

BH # ZWOOIII7NMD2 MFR # ZWO-OIII7NMD2
See All Details
$29900
Special Order
Expected availability: 4-6 Weeks
No Store Display
Free Standard Shipping

ZWO 7nm Narrowband S-II Filter (2")

BH # ZWSII7NMD2 MFR # SII7NMD2
Key Features
  • High-Contrast Emission Nebulae Photos
  • Reduces Transmission of Artificial Light
  • 7nm Bandpass at 672nm Wavelength
  • M48 x 0.75 Male Thread
See All Details
Available in other Styles, Configurations & Kits
$29900
In Stock
No Store Display
Free 2-Day Shipping

ZWO 7nm Narrowband Ha Filter (2")

BH # ZWHA7NMD2 MFR # HA7NMD2
Key Features
  • High-Contrast Emission Nebulae Photos
  • Reduces Transmission of Artificial Light
  • 7nm Bandpass at 656nm Wavelength
  • M48 x 0.75 Male Thread
See All Details
Available in other Styles, Configurations & Kits
$29900
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader S-II Narrowband Filter (2" Eyepiece Filter Filter)

BH # ALFCSIIN2 MFR # FCSIIN-2
Key Features
  • 6.5nm FWHM, Ideal from f/10 to f/3.5
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$30000
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader 6.5nm Narrowband O-III CMOS Filter (2" Eyepiece Filter)

BH # ALFCOIIIN2 MFR # FCOIIIN-2
See All Details
Available in other Styles, Configurations & Kits
$30200
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader 6.5nm f/2.0 S-II Highspeed CMOS Filter (47.4mm Round, Unmounted for FCCT 2" Slider)

BH # ALFCSIIHS2U MFR # FCSIIHS-2U
Key Features
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$30200
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader 6.5nm f/2.0 O-III Highspeed CMOS Filter (47.4mm Round, Unmounted for FCCT 2" Slider)

BH # ALFCOIIIHS2U MFR # FCOIIIHS-2U
Key Features
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$30200
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader 6.5nm f/2.0 H-Alpha Highspeed CMOS Filter (47.4mm Round, Unmounted for FCCT 2" Slider)

BH # ALFCHALHS2U MFR # FCHALHS-2U
Key Features
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$30200
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader SLOAN/SDSS z-s' Filter (2" Eyepiece Filter)

BH # ALFSLN2Z MFR # FSLN-2Z
Key Features
  • SLOAN-z-s' Bandpass Filter
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$31100
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader SLOAN/SDSS y' Filter (2" Eyepiece Filter)

BH # ALFSLN2Y MFR # FSLN-2Y
Key Features
  • SLOAN-y' Bandpass Filter
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$31100
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader H-alpha Narrowband Filter (2")

BH # ALFCHALN2 MFR # FCHALN-2
Key Features
  • 6.5nm FWHM, Ideal from f/10 to f/3.5
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Edges
See All Details
Available in other Styles, Configurations & Kits
$31300
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

Alpine Astronomical Baader UBVRI Bessel V Filter (50 x 50mm Square, Unmounted)

BH # ALFBESSQ50V MFR # FBES-SQ50V
1 Review
Key Features
  • Photometric Filter: V Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$31500
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader UBVRI Bessel R Filter (50 x 50mm Square, Unmounted)

BH # ALFBESSQ50R MFR # FBES-SQ50R
Key Features
  • Photometric Filter: R Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$31500
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader UBVRI Bessel B Filter (50 x 50mm Square, Unmounted)

BH # ALFBESSQ50B MFR # FBES-SQ50B
Key Features
  • Photometric Filter: B Bandpass
  • Suitable from f/15 to f/1.8
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$31500
In Stock
No Store Display
Free Expedited Shipping

Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed O-III CMOS Filter (1.25" Eyepiece)

BH # ALFCOMSU1 MFR # FCOIIIMSU-1
Key Features
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$31700
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader 6.5nm f/2.0 S-II Highspeed CMOS Filter (2" Eyepiece)

BH # ALFCSIIHS2 MFR # FCSIIHS-2
Key Features
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$32000
In Stock
No Store Display
Free Expedited Shipping
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