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Alpine Astronomical Baader SLOAN/SDSS g' Filter (1.25" Eyepiece Filter)

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
See All Details
$19200
In Stock
No Store Display
Free 2-Day Shipping
Alpine Astronomical Baader H-alpha Narrowband Filter (31mm Round)

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
See All Details
$19300
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$19500
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$19600
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

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
See All Details
$19600
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

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
See All Details
$19600
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

ZWO 36mm SII Filter 7nm

BH # ZWOSII7NMD36 MFR # ZWO-SII7NMD36
$19900
Special Order
Expected availability: 4-6 Weeks
No Store Display
Free Standard Shipping

ZWO 36mm OIII Filter 7nm

BH # ZWOOII7NMD36 MFR # ZWO-OIII7NMD36
$19900
Special Order
Expected availability: 4-6 Weeks
No Store Display
Free Standard Shipping

ZWO 36mm HA Filter 7nm

BH # ZWOHA7NMD36 MFR # ZWO-HA7NMD36
$19900
Special Order
Expected availability: 4-6 Weeks
No Store Display
Free Standard Shipping

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
See All Details
$19900
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$19900
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
$20000
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

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
See All Details
$20000
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

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
$20100
In Stock
No Store Display
Free 2-Day Shipping

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
See All Details
$20300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping

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
See All Details
$20300
In Stock
No Store Display
Free 2-Day Shipping

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
$20400
In Stock
No Store Display
Free 2-Day Shipping

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
See All Details
$20700
In Stock
No Store Display
Free 2-Day Shipping

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
See All Details
$20700
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$20800
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$21000
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
$21100
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping
$21600
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
$21700
In Stock
No Store Display
Free 2-Day Shipping

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
See All Details
$21800
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$21900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

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
See All Details
$21900
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

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
See All Details
$22300
Special Order
Expected availability: 3-5 Weeks
No Store Display
Free Standard Shipping
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