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Astro Imaging Filters
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Alpine Astronomical Baader 4nm Ultra-Narrowband S-II CMOS Filter (31mm Round, Unmounted)
BH # ALFCSIINUR31 MFR # FCSIINU-RD31
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed O-III CMOS Filter (31mm Round, Unmounted)
BH # ALFCOIHSUR31 MFR # FCOIIIHSU-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 S-II Narrowband Filter (50.4mm Round, Unmounted Filter)
BH # ALFCSIINRD50 MFR # FCSIIN-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 Coating Edges
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized RGB-R Bandpass Filter (65 x 65mm Square, Unmounted)
BH # ALFCRSQ65 MFR # FCR-SQ65
Key Features
- RGB R Bandpass: 595-690nm
- 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-G Bandpass Filter (65 x 65mm Square, Unmounted)
BH # ALFCGSQ65 MFR # FCG-SQ65
Key Features
- RGB G Bandpass: 490-580nm
- 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-B Bandpass Filter (65 x 65mm Square, Unmounted)
BH # ALFCBSQ65 MFR # FCB-SQ65
Key Features
- RGB B Bandpass: 400-510nm
- 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 (50.4mm Round, Unmounted)
BH # ALFBESRD50U MFR # FBES-RD50U
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 (50.4mm Round, Unmounted)
BH # ALFBESRD50I MFR # FBES-RD50I
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 Narrowband O-III CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCOIIINR50 MFR # FCOIIIN-RD50
Available in other Styles, Configurations & Kits
Pegasus Astro 2" Mounted Photographic LRGB Filter Set
BH # PEFLTR2MLRGB MFR # PEG-FLTR-2M-LRGB
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed H-Alpha CMOS Filter (31mm, Unmounted)
BH # ALFCHAMSUR31 MFR # FCHALMSU-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 3.5nm f/2 Ultra-Highspeed H-Alpha CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCHAHSU1 MFR # FCHALHSU-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 (31mm Round, Unmounted)
BH # ALFCRGBRD31 MFR # FCRGB-RD31
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 3.5nm Ultra-Narrowband H-alpha CMOS Filter (31mm Round, Unmounted)
BH # ALFCHALNUR31 MFR # FCHALNU-RD31
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UBVRI Bessel U Filter (50 x 50mm Square, Unmounted)
BH # ALFBESSQ50U MFR # FBES-SQ50U
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 (50 x 50mm Square, Unmounted)
BH # ALFBESSQ50I MFR # FBES-SQ50I
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 (50.4mm Round, Unmounted)
BH # ALFSLNRD50Z MFR # FSLN-RD50Z
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 (50.4mm Round, Unmounted)
BH # ALFSLNRD50Y MFR # FSLN-RD50Y
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 f/2 Ultra-Highspeed H-Alpha CMOS Filter (31mm Round, Unmounted)
BH # ALFCHAHSUR31 MFR # FCHALHSU-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 UBVRI Bessel V Filter (65 x 65mm Square, Unmounted)
BH # ALFBESSQ65V MFR # FBES-SQ65V
Key Features
- Photometric Filter: V 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 R Filter (65 x 65mm Square, Unmounted)
BH # ALFBESSQ65R MFR # FBES-SQ65R
Key Features
- Photometric Filter: R 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 B Filter (65 x 65mm Square, Unmounted)
BH # ALFBESSQ65B MFR # FBES-SQ65B
Key Features
- Photometric Filter: B 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 i' Filter (50.4mm Round, Unmounted)
BH # ALFSLNRD50I MFR # FSLN-RD50I
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 S-II Narrowband Filter (50x50mm Square, Unmounted Filter)
BH # ALFCSIINSQ50 MFR # FCSIIN-SQ50
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
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm Narrowband O-III CMOS Filter (50x50mm Square, Unmounted)
BH # ALFCOIIINS50 MFR # FCOIIIN-SQ50
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm f/2.0 O-III Highspeed CMOS Filter (50x50mm Square, Unmounted)
BH # ALFCOIHSSQ50 MFR # FCOIIIHS-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 SLOAN/SDSS g' Filter (50.4mm Round, Unmounted)
BH # ALFSLNRD50G MFR # FSLN-RD50G
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 6.5nm f/2.0 S-II Highspeed CMOS Filter (50 x 50mm Square, Unmounted)
BH # ALFCSIIHSS50 MFR # FCSIIHS-SQ50
Key Features
- Optimized for CMOS, Suitable for CCD
- Reflex-Blocker Hard Coated
- Life-Coat Sealed Coating Edges
Available in other Styles, Configurations & Kits