Ask Our Experts800-606-6969
Hello, Log InAccount & Orders
Astro Imaging Filters
368 Items
Filter by:
Sort by:
View:
Alpine Astronomical Baader Clear Focusing Filter (2" Eyepiece Filter)
BH # ALBFC2 MFR # FC-2
Key Features
- Full Wavelength Throughput
- Allows for Sharp Focus Before Imaging
- 2" Eyepiece Filter Frame
- Anti-Reflection Fully Coated
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (1.25" Eyepiece Filter)
BH # ALFCUVIR1 MFR # FCUVIR-1
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
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
Top Seller
ZWO UV IR Cut Filter (1.25")
BH # ZWOIRCUT125 MFR # ZWO-IRCUT1.25
Key Features
- Enables Sharper Photos
- Protects H-Alpha Filter from IR Damage
- M48 x 0.75 Male Thread
- Protective Plastic Case
Available in other Styles, Configurations & Kits
Top Seller
Vaonis Dual Band Filter for Vespera
BH # VAAC022 MFR # AC022
Key Features
- Designed for Nebula Photography
- Improves Contrast
- Refines Stars and Details
Available in other Styles, Configurations & Kits
ZWO Duo-Band Filter (2")
BH # ZWODB2 MFR # ZWO-DB2
Key Features
- Passes Ha (656nm) & O III (500nm) Light
- Reduces Moonlight & Light Pollution
- Better Contrast for 1-Shot Color Cameras
- Double-Sided Optical Coating
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader CMOS-Optimized LRGB Bandpass Filterset (2" Eyepiece Filter)
BH # ALFCLRGB2 MFR # FCLRGB-2
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
ZWO IR 850nm Pass Filter (1.25")
BH # ZWO850IR125 MFR # ZWO-850IR1.25
Key Features
- Better Images on Low Visibility Nights
- Blocks Light Affected by Turbulence
- Passes IR Light Above 850nm
Alpine Astronomical Baader Clear Focusing Filter (31mm Round, Unmounted)
BH # ALFCRD31 MFR # FC-RD31
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 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 9nm O-III Super-G CMOS Filter (1.25")
BH # ALFOIIISG1 MFR # FOIIISG-1
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
SVBONY SV240 Multi-Narrowband and Near-Infrared Filter (2")
BH # SVW9191A MFR # W9191A
Key Features
- For Galaxies, Star Clusters & Nebulae
- Passes Near-Infrared Region
- 90% Transmittance of Ha, OIII, H-Beta
- Blocks Light Pollution up to Bortle 8
Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (2" Eyepiece Filter)
BH # ALFCUVIR2 MFR # FCUVIR-2
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 Clear Focusing Filter (65x65mm Square, Unmounted)
BH # ALFCSQ65 MFR # FC-SQ65
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 SLOAN/SDSS z-s' Filter (1.25" Eyepiece Filter)
BH # ALFSLN1Z MFR # FSLN-1Z
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 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
SVBONY SV227 SHO SII, H-a, OIII 5nm Narrowband Filter Set (2")
BH # SVW9187DADB MFR # W9187DA-W9187DB-W9187DC
Key Features
- Mounted Filters for Astrophotography
- For f/5 and Higher Telescopes
- Peak Transmittance over 90%
- Male M48 x 0.75 Thread
ZWO 7nm Narrowband Ha Filter (2")
BH # ZWHA7NMD2 MFR # HA7NMD2
Key Features
- High-Contrast Emission Nebulae Photos
- Reduces Transmission of Artificial Light
- 7nm Bandpass at 656nm Wavelength
- M48 x 0.75 Male Thread
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm Narrowband O-III CMOS Filter (2" Eyepiece Filter)
BH # ALFCOIIIN2 MFR # FCOIIIN-2
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader 6.5nm f/2.0 S-II Highspeed CMOS Filter (2" Eyepiece)
BH # ALFCSIIHS2 MFR # FCSIIHS-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 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
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 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 6.5nm Narrowband O-III CMOS Filter (50x50mm Square, Unmounted)
BH # ALFCOIIINS50 MFR # FCOIIIN-SQ50
Available in other Styles, Configurations & Kits
Alpine Astronomical Baader UBVRI Bessel I Filter (65 x 65mm Square, Unmounted)
BH # ALFBESSQ65I MFR # FBES-SQ65I
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
Vaonis Vespera Nebula & Light Pollution Filters Kit
BH # VAAC022K
Key Features
- Dual Band Filter for Seeing Nebulae
- Passes Ha & O III Wavelengths
- Light Pollution Filter for City & Suburb
- Blocks City Light, Passes Starlight
Available in other Styles, Configurations & Kits