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Alpine Astronomical Baader S-II Narrowband Filter (65x65mm Square, Unmounted Filter)
BH # ALFCSIINSQ65 MFR # FCSIIN-SQ65
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 4nm Ultra-Narrowband O-III CMOS Filter (2" Eyepiece Filter)
BH # ALFCOINU2 MFR # FCOIIINU-2
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Canon EOS Wide T-Ring System with Deep-Sky H-alpha Filter
BH # ALDSLRTHA MFR # DSLRT-HA
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
Alpine Astronomical Baader 6.5nm Narrowband O-III CMOS Filter (65x65mm Square, Unmounted)
BH # ALFCOIIINS65 MFR # FCOIIIN-SQ65
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed S-II CMOS Filter (2" Eyepiece)
BH # ALFCSIMSU2 MFR # FCSIIMSU-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 S-II CMOS Filter (2" Eyepiece)
BH # ALFCSIHSU2 MFR # FCSIIHSU-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 6.5nm f/2.0 S-II Highspeed CMOS Filter (65 x 65mm Square, Unmounted)
BH # ALFCSIIHSS65 MFR # FCSIIHS-SQ65
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 S-II CMOS Filter (2" Eyepiece Filter)
BH # ALFCSIINU2 MFR # FCSIINU-2
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm f/2.0 O-III Highspeed CMOS Filter (65x65mm Square, Unmounted)
BH # ALFCOIHSSQ65 MFR # FCOIIIHS-SQ65
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 (65mm Square)
BH # ALFCHALNSQ65 MFR # FCHALN-SQ65
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 (65 x 65mm Square, Unmounted)
BH # ALFCHALHSS65 MFR # FCHALHS-SQ65
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 (2" Eyepiece)
BH # ALFCHAMSU2 MFR # FCHALMSU-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 O-III CMOS Filter (50.4mm, Unmounted)
BH # ALFCOMSURD50 MFR # FCOIIIMSU-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 CMOS-Optimized LRGB Bandpass Filterset (36mm Round, Unmounted)
BH # ALFCLRGBRD36 MFR # FCLRGB-RD36
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 4nm f/2 Ultra-Highspeed O-III CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCOIHSUR50 MFR # FCOIIIHSU-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 CMOS-Optimized RGB Bandpass Filterset (2" Eyepiece Filter)
BH # ALFCRGB2 MFR # FCRGB-2
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 (2" Eyepiece Filter)
BH # ALFCHALNU2 MFR # FCHALNU-2
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed S-II CMOS Filter (50.4mm, Unmounted)
BH # ALFCSIMSUR50 MFR # FCSIIMSU-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 4nm Ultra-Narrowband O-III CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCOINURD50 MFR # FCOIIINU-RD50
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 3.5/4nm f/3 Ultra-Highspeed S-II CMOS Filter (50mm Square, Unmounted)
BH # ALFCSIMSUS50 MFR # FCSIIMSU-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 3.5/4nm f/3 Ultra-Highspeed O-III CMOS Filter (50mm Square, Unmounted)
BH # ALFCOMSUSQ50 MFR # FCOIIIMSU-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 6.5nm Narrowband Filter Set (1.25")
BH # ALFCSN1 MFR # FCSETN-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
- 6.5nm FWHM
Alpine Astronomical Baader 4nm f/2 Ultra-Highspeed S-II CMOS Filter (50 x 50mm Square, Unmounted)
BH # ALFCSIHSUS50 MFR # FCSIIHSU-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 4nm f/2 Ultra-Highspeed S-II CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCSIHSUR50 MFR # FCSIIHSU-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 4nm f/2 Ultra-Highspeed O-III CMOS Filter (50 x 50mm Square, Unmounted)
BH # ALFCOIHSUS50 MFR # FCOIIIHSU-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 4nm Ultra-Narrowband O-III CMOS Filter (50x50mm Square, Unmounted)
BH # ALFCOINUSQ50 MFR # FCOIIINU-SQ50
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm Ultra-Narrowband S-II CMOS Filter (50.4mm Round, Unmounted)
BH # ALFCSIINUR50 MFR # FCSIINU-RD50
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 4nm Ultra-Narrowband S-II CMOS Filter (50 x 50mm Square, Unmounted)
BH # ALFCSIINUS50 MFR # FCSIINU-SQ50
Available in other Styles, Configurations & Kits


