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Astro Imaging Filters
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Pegasus Astro 2" Mounted Photographic Filter (Green)
BH # PEFLTR2MG MFR # PEG-FLTR-2M-G
Pegasus Astro 2" Mounted Photographic Filter (Blue)
BH # PEFLTR2MB MFR # PEG-FLTR-2M-B
Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (31mm Round, Unmounted)
BH # ALFCUVIRRD31 MFR # FCUVIR-RD31
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
Alpine Astronomical Baader C2 Swan-Band CMOS Filter (15nm) - OIII Parallel (1.25" Eyepiece)
BH # ALFSWAN1 MFR # FSWAN-1
Key Features
- For Comet Gas Tail Observation
- Passes C2 511 & 514nm Emission Lines
- Blocks O III Line for Higher Contrast
- Optimized for CMOS, Suitable for CCD
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Contrast Booster Filter (1.25" Eyepiece Filter)
BH # ALFCNBST1 MFR # FCNBST-1
Key Features
- Eliminates Color Error of Refractors
- Reduces Bluish Hue During Viewing
- Over 95% Transmission
- Phantom Coating
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (36mm Round, Unmounted)
BH # ALFCUVIRRD36 MFR # FCUVIR-RD36
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
Alpine Astronomical Baader Astrophotography H-alpha Conversion Filter for Select Canon EOS/Rebel Cameras
BH # ALFBCF400D MFR # FBCF-400D
Key Features
- Isolates Hydrogen-Alpha Wavelength
- Converts DSLR to Dedicated Astro Camera
- Replaces Factory Cover Glass
- Maintains Correct Factory Focal Point
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Astrophotography H-alpha Conversion Filter for Canon EOS Digital Rebel
BH # ALFACF1 MFR # FACF-1
Key Features
- Isolates Hydrogen-Alpha Wavelength
- Converts DSLR to Dedicated Astro Camera
- Replaces Factory Cover Glass
- Maintains Correct Factory Focal Point
Available in other Styles, Configurations & Kits
Alpine Astronomical H-Alpha 20nm Bandpass Filter (1.25")
BH # ALFHALW1 MFR # FHALW-1
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 Clear Focusing Filter (50.4mm Round, Unmounted)
BH # ALFCRD50 MFR # FC-RD50
Key Features
- Full Wavelength Throughput
- Allows for Sharp Focus Before Imaging
- Unmounted for Versatile Use
- Anti-Reflection Fully Coated
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (1.25" Eyepiece)
BH # ALFUHCL1 MFR # FUHCL-1
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 CMOS-Optimized RGB-R Bandpass Filter (1.25" Eyepiece Filter)
BH # ALFCR1 MFR # FCR-1
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 (1.25" Eyepiece Filter)
BH # ALFCG1 MFR # FCG-1
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 UV/IR Bandpass L Filter (47.4mm Round, Unmounted)
BH # ALFCUVIR2U MFR # FCUVIR-2U
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
ZWO 7nm Narrowband S-II Filter (1.25")
BH # ZWOSII7NM125 MFR # ZWO-SII7NM1.25
Key Features
- High-Contrast Emission Nebulae Photos
- Reduces Transmission of Artificial Light
- 7nm Bandpass at 672nm Wavelength
- M28.5x0.6 Male Thread
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader Clear Focusing Filter (50x50mm Square, Unmounted)
BH # ALFCSQ50 MFR # FC-SQ50
Key Features
- Full Wavelength Throughput
- Allows for Sharp Focus Before Imaging
- Unmounted for Versatile Use
- Anti-Reflection Fully Coated
Available in other Styles, Configurations & Kits
SVBONY SV220 H-Alpha/O-III 7nm Dual-Band Narrow Filter (2")
BH # SVW9172B MFR # W9172B
Key Features
- Better Contrast for Nebulae Photography
- Reduces Effects of Light Pollution
- H-Alpha & O-III 7nm Bands
- M48 x 0.75 Male Thread
$13623
Currently Unavailable
Alpine Astronomical Baader CMOS-Optimized RGB-R Bandpass Filter (31mm Round, Unmounted)
BH # ALFCRRD31 MFR # FCR-RD31
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 (31mm Round, Unmounted)
BH # ALFCGRD31 MFR # FCG-RD31
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 (31mm Round, Unmounted)
BH # ALFCBRD31 MFR # FCB-RD31
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 UHC-L Ultra-L-Booster Nebula Filter (31mm, Unmounted)
BH # ALFUHCLRD31 MFR # FUHCL-RD31
Key Features
- Blocks City Light Pollution
- Increases Contrast of Nebulae & Comets
- CMOS-Optimized
- Ideal for Astrophotography & Observation
Available in other Styles, Configurations & Kits
iOptron SII Narrowband Filter (1.25")
BH # IO3383SII MFR # 3383-SII
Key Features
- For Nebula Astrophotography and Imaging
- Passes 672nm Wavelength
- Blocks Artificial Light & Sky Glow
- Improves Contrast & Reveals Details
Available in other Styles, Configurations & Kits
iOptron O-III Narrowband Filter (1.25")
BH # IO3383OIII MFR # 3383-OIII
Key Features
- For Nebula Astrophotography and Imaging
- Passes 500.7 & 495.9nm Wavelengths
- Blocks Artificial Light & Skyglow
- Improves Contrast & Reveals Details
Available in other Styles, Configurations & Kits
iOptron H-Alpha Narrowband Filter (1.25")
BH # IO3383HA MFR # 3383-HA
Key Features
- For Nebula Astrophotography and Imaging
- 7nm Bandwidth Centered on 656nm
- Blocks Artificial Light & Skyglow
- Improves Contrast & Reveals Details
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized RGB-R Bandpass Filter (36mm Round, Unmounted)
BH # ALFCRRD36 MFR # FCR-RD36
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 (36mm Round, Unmounted)
BH # ALFCGRD36 MFR # FCG-RD36
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