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Astro Imaging Filters

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Alpine Astronomical Baader 3.5nm Ultra-Narrowband H-alpha CMOS Filter (65x65mm Square, Unmounted)

Alpine Astronomical Baader 3.5nm Ultra-Narrowband H-alpha CMOS Filter (65x65mm Square, Unmounted)

BH # ALFCHALNUS65 MFR # FCHALNU-SQ65
See All Details
Available in other Styles, Configurations & Kits
$79500
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery
ZWO Narrowband HA, SII & OIII Filter Set (50.8mm)

ZWO Narrowband HA, SII & OIII Filter Set (50.8mm)

BH # ZWONB7NMD2 MFR # ZWO-NB7NMD2
Key Features
  • High-Contrast Emission Nebulae Photos
  • Reduces Transmission of Artificial Light
  • 7nm Bandpass
See All Details
Available in other Styles, Configurations & Kits
$79900
In Stock
No Store Display
Free Delivery: Fri, Oct 30

Alpine Astronomical Baader CMOS-Optimized LRGB Bandpass Filterset (50 x 50mm Square, Unmounted)

BH # ALFCLRGBSQ50 MFR # FCLRGB-SQ50
Key Features
  • Includes UV/IR Cut and R/G/B Filters
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$81500
Special Order
No Store Display
Free Delivery

Alpine Astronomical Baader 6.5nm Narrowband Filter Set (2")

BH # ALFCSN2 MFR # FCSETN-2
Key Features
  • 3 Filter Set: H-alpha, O-III, and S-II
  • For f/10 to f/3.5 Optical Systems
  • CMOS-Optimized / Suitable for CCD
  • 6.5nm FWHM
$85100
In Stock
No Store Display
Free Delivery: Fri, Oct 30

Alpine Astronomical Baader UBVRI Bessel Filterset (1.25" Eyepiece Filter)

BH # ALFBESSET1 MFR # FBESSET-1
Key Features
  • Includes UBVRI Photometric Filters
  • 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
$85600
In Stock
No Store Display
Free Delivery: Fri, Oct 30

Alpine Astronomical Baader 3.5nm f/2 Ultra-Highspeed H-Alpha CMOS Filter (65 x 65mm Square, Unmounted)

BH # ALFCHAHSUS65 MFR # FCHALHSU-SQ65
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
$87300
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader UBVRI Bessel V Filter (100 x 100mm Square, Unmounted)

BH # ALFBESSQ100V MFR # FBES-SQ100V
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
$87300
Special Order
Expected availability: 6-10 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader UBVRI Bessel R Filter (100 x 100mm Square, Unmounted)

BH # ALFBESSQ100R MFR # FBES-SQ100R
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
$87300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader UBVRI Bessel B Filter (100 x 100mm Square, Unmounted)

BH # ALFBESSQ100B MFR # FBES-SQ100B
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
$87300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader SLOAN/SDSS z-s' Filter (100 x 100mm Square, Unmounted)

BH # ALFSLNSQ100Z MFR # FSLN-SQ100Z
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
$88300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader SLOAN/SDSS y' Filter (100 x 100mm Square, Unmounted)

BH # ALFSLNSQ100Y MFR # FSLN-SQ100Y
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
$88300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader SLOAN/SDSS r' Filter (100 x 100mm Square, Unmounted)

BH # ALFSLNSQ100R MFR # FSLN-SQ100R
Key Features
  • SLOAN-r' 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
$88300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader SLOAN/SDSS i' Filter (100 x 100mm Square, Unmounted)

BH # ALFSLNSQ100I MFR # FSLN-SQ100I
Key Features
  • SLOAN-i' 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
$88300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader SLOAN/SDSS g' Filter (100 x 100mm Square, Unmounted)

BH # ALFSLNSQ100G MFR # FSLN-SQ100G
Key Features
  • SLOAN-g' 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
$88300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

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

BH # ALFCSHS2 MFR # FCSETHS-2
See All Details
Available in other Styles, Configurations & Kits
$88400
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader SLOAN/SDSS u' Filter (100 x 100mm Square, Unmounted)

BH # ALFSLNSQ100U MFR # FSLN-SQ100U
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
$89300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader CMOS-Optimized RGB Bandpass Filterset (65 x 65mm Square, Unmounted)

BH # ALFCRGBSQ65 MFR # FCRGB-SQ65
Key Features
  • Includes R, G, and B Bandpass Filters
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$90700
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader 6.5nm f/2.0 Highspeed CMOS Filter Set (50.4mm Round, Unmounted)

BH # ALFCSHSRD50 MFR # FCSETHS-RD50
See All Details
Available in other Styles, Configurations & Kits
$92700
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader 3.5/4nm Ultra-Narrowband Filter Set CMOS-Optimized (1.25")

BH # ALFCSNU1 MFR # FCSETNU-1
Key Features
  • 3 Filter Set: H-alpha, O-III, and S-II
  • For f/10 to f/3.5 Optical Systems
  • CMOS-Optimized / Suitable for CCD
  • Reflex-Blocker / Life-Coat
Available in other Styles, Configurations & Kits
$92900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader 3.5/4nm f/3 Ultra-High-Speed Filter Set CMOS-Optimized (1.25")

BH # ALFCSMSU1 MFR # FCSETMSU-1
Key Features
  • 3-Filter Set: H-alpha, O-III, and S-II
  • For f/3.4 to f/2.3 Optical Systems
  • CMOS-Optimized and Suitable for CCDs
  • Reflex-Blocker / Life-Coat
Available in other Styles, Configurations & Kits
$92900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader UBVRI Bessel U Filter (100 x 100mm Square, Unmounted)

BH # ALFBESSQ100U MFR # FBES-SQ100U
Key Features
  • Photometric Filter: U 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
$94000
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader UBVRI Bessel I Filter (100 x 100mm Square, Unmounted)

BH # ALFBESSQ100I MFR # FBES-SQ100I
Key Features
  • Photometric Filter: I 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
$94000
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader UBVRI Bessel Filterset (31mm Round, Unmounted)

BH # ALFBESSRD31 MFR # FBESSET-RD31
Key Features
  • Includes UBVRI Photometric Filters
  • 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
$94000
Special Order
No Store Display
Free Delivery

Alpine Astronomical Baader 3.5/4nm f/2 Ultra-High-Speed Filter Set CMOS-Optimized (1.25")

BH # ALFCSHSU1 MFR # FCSETHSU-1
Key Features
  • 3-Filter Set: H-alpha, O-III, and S-II
  • For f/3.4 to f/1.8 Optical Systems
  • CMOS-Optimized and Suitable for CCDs
  • Reflex-Blocker / Life-Coat
Available in other Styles, Configurations & Kits
$94600
In Stock
No Store Display
Free Delivery: Fri, Oct 30

Alpine Astronomical Baader SLOAN/SDSS ugriz' Filterset (1.25" Eyepiece Filter)

BH # ALFSLNS1 MFR # FSLNSET-1
Key Features
  • Includes u, g, r, i, z-s, and y' Filters
  • Optimized for CMOS, Suitable for CCD
  • Reflex-Blocker Hard Coated
  • Life-Coat Sealed Coating Edges
See All Details
Available in other Styles, Configurations & Kits
$96000
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader 6.5nm Narrowband Filter Set (50.4mm)

BH # ALFCSNRD50 MFR # FCSETN-RD50
1 Review
Key Features
  • 3 Filter Set: H-alpha, O-III, and S-II
  • For f/10 to f/3.5 Optical Systems
  • CMOS-Optimized / Suitable for CCD
  • 6.5nm FWHM
$96300
In Stock
No Store Display
Free Delivery: Fri, Oct 30

Alpine Astronomical Baader 3.5/4nm Ultra-Narrowband Filter Set CMOS-Optimized (31mm)

BH # ALFCSNURD31 MFR # FCSETNU-RD31
Key Features
  • 3 Filter Set: H-alpha, O-III, and S-II
  • For f/10 to f/3.5 Optical Systems
  • CMOS-Optimized / Suitable for CCD
  • Reflex-Blocker / Life-Coat
Available in other Styles, Configurations & Kits
$98300
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery

Alpine Astronomical Baader 3.5/4nm f/3 Ultra-High-Speed Filter Set CMOS-Optimized (31mm, Unmounted)

BH # ALFCSMSURD31 MFR # FCSETMSU-RD31
Key Features
  • 3-Filter Set: H-alpha, O-III, and S-II
  • For f/3.4 to f/2.3 Optical Systems
  • CMOS-Optimized and Suitable for CCDs
  • Reflex-Blocker / Life-Coat
Available in other Styles, Configurations & Kits
$98500
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Delivery
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