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Astro Imaging Filters
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Alpine Astronomical Baader 4nm Ultra-Narrowband O-III CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCOINU1 MFR # FCOIIINU-1
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (50 x 50mm, Unmounted)
BH # ALFUHCLSQ50 MFR # FUHCL-SQ50
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 6.5nm f/2.0 O-III Highspeed CMOS Filter (2" Eyepiece Filter)
BH # ALFCOIHS2 MFR # FCOIIIHS-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 SLOAN/SDSS r' Filter (2" Eyepiece Filter)
BH # ALFSLN2R MFR # FSLN-2R
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 SLOAN/SDSS i' Filter (2" Eyepiece Filter)
BH # ALFSLN2I MFR # FSLN-2I
Key Features
- SLOAN-i' 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 g' Filter (2" Eyepiece Filter)
BH # ALFSLN2G MFR # FSLN-2G
Key Features
- SLOAN-g' 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 4nm Ultra-Narrowband S-II CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCSIINU1 MFR # FCSIINU-1
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed S-II CMOS Filter (1.25" Eyepiece)
BH # ALFCSIHSU1 MFR # FCSIIHSU-1
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-alpha Narrowband Filter (50.4mm Round)
BH # ALFCHALNRD50 MFR # FCHALN-RD50
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm f/2.0 H-Alpha Highspeed CMOS Filter (2" Eyepiece)
BH # ALFCHALHS2 MFR # FCHALHS-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 3.5/4nm f/3 Ultra-Highspeed S-II CMOS Filter (1.25" Eyepiece)
BH # ALFCSIMSU1 MFR # FCSIIMSU-1
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 UV/IR Bandpass L Filter (65 x 65mm Square, Unmounted)
BH # ALFCUVIRSQ65 MFR # FCUVIR-SQ65
Key Features
- UV/IR Cut: 420-685nm
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits
Celestron Narrowband H-alpha / H-beta / O III Imaging Filter for 8" RASA OTA
BH # CEHHOIIIR8 MFR # 93619
Key Features
- Improves Imaging of Wispy Nebulae
- Transmits Just Three Wavelengths
- Blocks Light Pollution and Sky Glow
- Schott Glass with Optically Flat Surface
Alpine Astronomical Baader SLOAN/SDSS u' Filter (2" Eyepiece Filter)
BH # ALFSLN2U MFR # FSLN-2U
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 4nm f/2 Ultra-Highspeed O-III CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCOIHSU1 MFR # FCOIIIHSU-1
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 RGB Bandpass Filterset (1.25" Eyepiece Filter)
BH # ALFCRGB1 MFR # FCRGB-1
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 UBVRI Bessel U Filter (2" Eyepiece Filter)
BH # ALFBES2U MFR # FBES-2U
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 (2" Eyepiece Filter)
BH # ALFBES2I MFR # FBES-2I
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 6.5nm f/2.0 S-II Highspeed CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCSIIHSR50 MFR # FCSIIHS-RD50
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 6.5nm f/2.0 O-III Highspeed CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCOIHSRD50 MFR # FCOIIIHS-RD50
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 6.5nm f/2.0 H-Alpha Highspeed CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCHALHSR50 MFR # FCHALHS-RD50
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 Calcium Gen-II Unstacked Ca-K Solar Imaging Filter with LPFC (1.25")
BH # ALCAKII MFR # CAKII
Key Features
- For Solar Imaging in Calcium K-Line
- Shows Super-Granulation & Ellerman Bombs
- 5nm-Wide Bandpass, Centered at 395nm
- Reflex-Blocker Hard Coated
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed O-III CMOS Filter (31mm, Unmounted)
BH # ALFCOMSURD31 MFR # FCOIIIMSU-RD31
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 Ultra-Narrowband O-III CMOS Filter (31mm Round, Unmounted)
BH # ALFCOINURD31 MFR # FCOIIINU-RD31
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed S-II CMOS Filter (31mm, Unmounted)
BH # ALFCSMSIUR31 MFR # FCSIIMSU-RD31
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 H-Alpha CMOS Filter (1.25" Eyepiece)
BH # ALFCHAMSU1 MFR # FCHALMSU-1
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 3.5nm Ultra-Narrowband H-alpha CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCHALNU1 MFR # FCHALNU-1
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed S-II CMOS Filter (31mm Round, Unmounted)
BH # ALFCSIHSUR31 MFR # FCSIIHSU-RD31
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits