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Alpine Astronomical Baader SLOAN/SDSS g' Filter (1.25" Eyepiece Filter)
BH # ALFSLN1G MFR # FSLN-1G
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 H-alpha Narrowband Filter (31mm Round)
BH # ALFCHALNRD31 MFR # FCHALN-RD31
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 S-II Highspeed CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCSIIHS1 MFR # FCSIIHS-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 UBVRI Bessel V Filter (31mm Round, Unmounted)
BH # ALFBESRD31V MFR # FBES-RD31V
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 (31mm Round, Unmounted)
BH # ALFBESRD31R MFR # FBES-RD31R
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 (31mm Round, Unmounted)
BH # ALFBESRD31B MFR # FBES-RD31B
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 6.5nm f/2.0 O-III Highspeed CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCOIHS1 MFR # FCOIIIHS-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 6.5nm f/2.0 H-Alpha Highspeed CMOS Filter (1.25" Eyepiece Filter)
BH # ALFCHALHS1 MFR # FCHALHS-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 9nm O-III Super-G CMOS Filter (2")
BH # ALFOIIISG2 MFR # FOIIISG-2
Key Features
- 9nm FWHM, Max Transmission 97%
- For Planetary Nebulae/Supernova Remnants
- Serves as RGB Replacement Filter
- CMOS-Optimized Coatings
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader SLOAN/SDSS u' Filter (1.25" Eyepiece Filter)
BH # ALFSLN1U MFR # FSLN-1U
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 H-Alpha 20nm Bandpass Filter (2")
BH # ALFHALW2 MFR # FHALW-2
Key Features
- Deep-Sky Astrophotography and Imaging
- NOT Safe for Solar Viewing or Imaging
- For High-Contrast Images of H-II Regions
- Optimized for Color CMOS & CCD Cameras
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized RGB-R Bandpass Filter (2" Eyepiece Filter)
BH # ALFCR2 MFR # FCR-2
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 (2" Eyepiece Filter)
BH # ALFCG2 MFR # FCG-2
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 UHC-L Ultra-L-Booster Nebula Filter (2" Eyepiece)
BH # ALFUHCL2 MFR # FUHCL-2
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 UBVRI Bessel U Filter (1.25" Eyepiece Filter)
BH # ALFBES1U MFR # FBES-1U
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 6.5nm f/2.0 H-Alpha Highspeed CMOS Filter (31mm Round, Unmounted)
BH # ALFCHALHSR31 MFR # FCHALHS-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 6.5nm f/2.0 O-III Highspeed CMOS Filter (31mm Round, Unmounted)
BH # ALFCOIHSRD31 MFR # FCOIIIHS-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 6.5nm f/2.0 S-II Highspeed CMOS Filter (31mm Round, Unmounted)
BH # ALFCSIIHSR31 MFR # FCSIIHS-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 UHC-L Ultra-L-Booster Nebula Filter (50.4mm, Unmounted)
BH # ALFUHCLRD50 MFR # FUHCL-RD50
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 Narrowband O-III CMOS Filter (36mm Round, Unmounted)
BH # ALFCOIIINR36 MFR # FCOIIIN-RD36
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Canon EOS Wide T-Ring Systemย with UV/IR Cut Filter
BH # ALDSLRTUVIR MFR # DSLRT-UVIR
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 S-II Narrowband Filter (36mm Round, Unmounted Filter)
BH # ALFCSIINRD36 MFR # FCSIIN-RD36
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
iOptron LRGB Imaging Filter Kit (1.25")
BH # IO3383RGB MFR # 3383-RGB
Key Features
- Luminance, Red, Green & Blue Filters
- O-III Overlap for Natural Color
- Blocks Sodium Light Pollution
Alpine Astronomical Baader H-alpha Narrowband Filter (36mm Round)
BH # ALFCHALNRD36 MFR # FCHALN-RD36
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 UBVRI Bessel V Filter (36mm Round, Unmounted)
BH # ALFBESRD36V MFR # FBES-RD36V
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


