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Alpine Astronomical Baader H-beta Narrowband Filter (2" Eyepiece Filter)
BH # ALFCHBN2 MFR # FCHBN-2
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader SLOAN/SDSS u' Filter (50.4mm Round, Unmounted)
BH # ALFSLNRD50U MFR # FSLN-RD50U
Key Features
- SLOAN-u' Bandpass Filter
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized LRGB Bandpass Filterset (1.25" Eyepiece Filter)
BH # ALFCLRGB1 MFR # FCLRGB-1
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm f/2.0 H-Alpha Highspeed CMOS Filter (50 x 50mm Square, Unmounted)
BH # ALFCHALHSS50 MFR # FCHALHS-SQ50
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized LRGB Bandpass Filterset (31mm Round, Unmounted)
BH # ALFCLRGBRD31 MFR # FCLRGB-RD31
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized RGB Bandpass Filterset (36mm Round, Unmounted)
BH # ALFCRGBRD36 MFR # FCRGB-RD36
Key Features
- Includes R, G, and B Bandpass Filters
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed O-III CMOS Filter (36mm, Unmounted)
BH # ALFCOMSURD36 MFR # FCOIIIMSU-RD36
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed O-III CMOS Filter (36mm Round, Unmounted)
BH # ALFCOIHSUR36 MFR # FCOIIIHSU-RD36
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed S-II CMOS Filter (36mm, Unmounted)
BH # ALFCSIMSUR36 MFR # FCSIIMSU-RD36
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader H-beta Narrowband Filter (50.4mm Round, Unmounted)
BH # ALFCHBNRD50 MFR # FCHBN-RD50
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm Ultra-Narrowband O-III CMOS Filter (36mm Round, Unmounted)
BH # ALFCOINURD36 MFR # FCOIIINU-RD36
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm Ultra-Narrowband S-II CMOS Filter (36mm Round, Unmounted)
BH # ALFCSIINUR36 MFR # FCSIINU-RD36
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed S-II CMOS Filter (36mm Round, Unmounted)
BH # ALFCSIHSUR36 MFR # FCSIIHSU-RD36
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader SLOAN/SDSS r' Filter (50.4mm Round, Unmounted)
BH # ALFSLNRD50R MFR # FSLN-RD50R
Key Features
- SLOAN-r' Bandpass Filter
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed H-Alpha CMOS Filter (36mm, Unmounted)
BH # ALFCHAMSUR36 MFR # FCHALMSU-RD36
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UBVRI Bessel U Filter (65 x 65mm Square, Unmounted)
BH # ALFBESSQ65U MFR # FBES-SQ65U
Key Features
- Photometric Filter: U Bandpass
- Suitable from f/15 to f/1.8
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UBVRI Bessel I Filter (65 x 65mm Square, Unmounted)
BH # ALFBESSQ65I MFR # FBES-SQ65I
Key Features
- Photometric Filter: I Bandpass
- Suitable from f/15 to f/1.8
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader SLOAN/SDSS z-s' Filter (50 x 50mm Square, Unmounted)
BH # ALFSLNSQ50Z MFR # FSLN-SQ50Z
Key Features
- SLOAN-z-s' Bandpass Filter
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader SLOAN/SDSS y' Filter (50 x 50mm Square, Unmounted)
BH # ALFSLNSQ50Y MFR # FSLN-SQ50Y
Key Features
- SLOAN-y' Bandpass Filter
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5nm Ultra-Narrowband H-alpha CMOS Filter (36mm Round, Unmounted)
BH # ALFCHALNUR36 MFR # FCHALNU-RD36
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed O-III CMOS Filter (47.4mm Round, Unmounted for FCCT 2" Slider)
BH # ALFOIIIHSU2U MFR # FCOIIIHSU-2U
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (65 x 65mm, Unmounted)
BH # ALFUHCLSQ65 MFR # FUHCL-SQ65
Key Features
- Blocks City Light Pollution
- Increases Contrast of Nebulae & Comets
- CMOS-Optimized
- Ideal for Astrophotography & Observation
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader H-beta Narrowband Filter (50 x 50mm Square, Unmounted)
BH # ALFCHBNSQ50 MFR # FCHBN-SQ50
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5nm f/2 Ultra-Highspeed H-Alpha CMOS Filter (36mm Round, Unmounted)
BH # ALFCHAHSUR36 MFR # FCHALHSU-RD36
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed S-II CMOS Filter (47.4mm Round, Unmounted for FCCT 2" Slider)
BH # ALFCSIIHSU2U MFR # FCSIIHSU-2U
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader SLOAN/SDSS u' Filter (50 x 50mm Square, Unmounted)
BH # ALFSLNSQ50U MFR # FSLN-SQ50U
Key Features
- SLOAN-u' Bandpass Filter
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed O-III CMOS Filter (2" Eyepiece)
BH # ALFCOMSU2 MFR # FCOIIIMSU-2
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed O-III CMOS Filter (2" Eyepiece Filter)
BH # ALFCOIHSU2 MFR # FCOIIIHSU-2
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits


