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Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (1.25" Eyepiece Filter) FCUVIR-1

Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (1.25" Eyepiece Filter) FCUVIR-1

[Pre Order - allow extra time] Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (1.25" Eyepiece Filter) UV/IR Cut: 420-685nm, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges ... more

Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (1.25" Eyepiece Filter) FCUVIR-1

[Pre Order - allow extra time] Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (1.25" Eyepiece Filter) UV/IR Cut: 420-685nm, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges

$77.00

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Alpine Astronomical Baader Yellow Colored Bandpass Eyepiece Filter (1.25") FCFY-1

Alpine Astronomical Baader Yellow Colored Bandpass Eyepiece Filter (1.25") FCFY-1

Free Express Shipping! Alpine Astronomical Baader Yellow Colored Bandpass Eyepiece Filter (1.25") Planetary Viewing/Imaging Filter, 495nm Wavelength Bandpass, 1.25" Eyepiece Threads, 7-Layer Anti-Reflection Multi-Coated, No Reflections, Scatter or... ... more

Alpine Astronomical Baader Yellow Colored Bandpass Eyepiece Filter (1.25") FCFY-1

Free Express Shipping! Alpine Astronomical Baader Yellow Colored Bandpass Eyepiece Filter (1.25") Planetary Viewing/Imaging Filter, 495nm Wavelength Bandpass, 1.25" Eyepiece Threads, 7-Layer Anti-Reflection Multi-Coated, No Reflections, Scatter or...

$53.00

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Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (2" Eyepiece) FUHCL-2

Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (2" Eyepiece) FUHCL-2

Free Express Shipping! Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (2" Eyepiece) Blocks City Light Pollution, Increases Contrast of Nebulae & Comets, CMOS-Optimized, Ideal for Astrophotography & Observation, Reflex-Blocker Coatings... ... more

Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (2" Eyepiece) FUHCL-2

Free Express Shipping! Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (2" Eyepiece) Blocks City Light Pollution, Increases Contrast of Nebulae & Comets, CMOS-Optimized, Ideal for Astrophotography & Observation, Reflex-Blocker Coatings...

$182.00

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Alpine Astronomical Baader SLOAN/SDSS r' Filter (2" Eyepiece Filter) FSLN-2R

Alpine Astronomical Baader SLOAN/SDSS r' Filter (2" Eyepiece Filter) FSLN-2R

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Free Express Shipping! Alpine Astronomical Baader SLOAN/SDSS r' Filter (2" Eyepiece Filter) SLOAN-r' Bandpass Filter, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges ... more

Alpine Astronomical Baader SLOAN/SDSS r' Filter (2" Eyepiece Filter) FSLN-2R

Free Express Shipping! Alpine Astronomical Baader SLOAN/SDSS r' Filter (2" Eyepiece Filter) SLOAN-r' Bandpass Filter, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges

$288.00

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Alpine Astronomical Baader SLOAN/SDSS g' Filter (2" Eyepiece Filter) FSLN-2G

Alpine Astronomical Baader SLOAN/SDSS g' Filter (2" Eyepiece Filter) FSLN-2G

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Free Express Shipping! Alpine Astronomical Baader SLOAN/SDSS g' Filter (2" Eyepiece Filter) SLOAN-g' Bandpass Filter, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges ... more

Alpine Astronomical Baader SLOAN/SDSS g' Filter (2" Eyepiece Filter) FSLN-2G

Free Express Shipping! Alpine Astronomical Baader SLOAN/SDSS g' Filter (2" Eyepiece Filter) SLOAN-g' Bandpass Filter, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges

$288.00

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Alpine Astronomical Baader UBVRI Bessel V Filter (1.25" Eyepiece Filter) FBES-1V

Alpine Astronomical Baader UBVRI Bessel V Filter (1.25" Eyepiece Filter) FBES-1V

Free Express Shipping! Alpine Astronomical Baader UBVRI Bessel V Filter (1.25" Eyepiece Filter) Photometric Filter: V Bandpass, Suitable from f/15 to f/1.8, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges ... more

Alpine Astronomical Baader UBVRI Bessel V Filter (1.25" Eyepiece Filter) FBES-1V

Free Express Shipping! Alpine Astronomical Baader UBVRI Bessel V Filter (1.25" Eyepiece Filter) Photometric Filter: V Bandpass, Suitable from f/15 to f/1.8, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges

$163.00

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Alpine Astronomical Alpine Astronomical Baader Single Polarizing Filter (2") FPOL-2

Alpine Astronomical Alpine Astronomical Baader Single Polarizing Filter (2") FPOL-2

PROMO Get $9 in FREE Stuff + Free Exp. Delivery!

Free Express Shipping! Alpine Astronomical Alpine Astronomical Baader Single Polarizing Filter (2") Ideal for Lunar & Planetary Viewing, Enhances Overall Image Contrast, Standard 2" Eyepiece Filter Threads, Use Solar Viewing with Proper Filters ... more

Alpine Astronomical Alpine Astronomical Baader Single Polarizing Filter (2") FPOL-2

Free Express Shipping! Alpine Astronomical Alpine Astronomical Baader Single Polarizing Filter (2") Ideal for Lunar & Planetary Viewing, Enhances Overall Image Contrast, Standard 2" Eyepiece Filter Threads, Use Solar Viewing with Proper Filters

$83.00

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Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (2") FMS-2

Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (2") FMS-2

PROMO Get $9 in FREE Stuff + Free Exp. Delivery!

Free Express Shipping! Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (2") Improves Color and Contrst, UV/IR Luminance Blocking Coating, Filters Streetlights and Moon Skyglow, Isolates Red, Green, and Blue Colors, Reveals Enhanced Natural... ... more

Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (2") FMS-2

Free Express Shipping! Alpine Astronomical Baader Neodymium Moon & Skyglow Filter (2") Improves Color and Contrst, UV/IR Luminance Blocking Coating, Filters Streetlights and Moon Skyglow, Isolates Red, Green, and Blue Colors, Reveals Enhanced Natural...

$152.00

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Alpine Astronomical Baader 1.8 Neutral Density Filter (2") FND2-2

Alpine Astronomical Baader 1.8 Neutral Density Filter (2") FND2-2

[Pre Order - allow extra time] Alpine Astronomical Baader 1.8 Neutral Density Filter (2") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 2" Eyepieces and Accessories, 1.8 Optical Density, 1.0% Transmission, 64 Reduction Factor,... ... more

Alpine Astronomical Baader 1.8 Neutral Density Filter (2") FND2-2

[Pre Order - allow extra time] Alpine Astronomical Baader 1.8 Neutral Density Filter (2") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 2" Eyepieces and Accessories, 1.8 Optical Density, 1.0% Transmission, 64 Reduction Factor,...

$84.00

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Alpine Astronomical Baader 0.9 Neutral Density Filter (2") FND1-2

Alpine Astronomical Baader 0.9 Neutral Density Filter (2") FND1-2

[Pre Order - allow extra time] Alpine Astronomical Baader 0.9 Neutral Density Filter (2") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 2" Eyepieces and Accessories, 0.9 Optical Density, 12.5% Transmission, 8 Reduction Factor,... ... more

Alpine Astronomical Baader 0.9 Neutral Density Filter (2") FND1-2

[Pre Order - allow extra time] Alpine Astronomical Baader 0.9 Neutral Density Filter (2") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 2" Eyepieces and Accessories, 0.9 Optical Density, 12.5% Transmission, 8 Reduction Factor,...

$84.00

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Alpine Astronomical Baader H-alpha Narrowband Filter (2") FCHALN-2

Alpine Astronomical Baader H-alpha Narrowband Filter (2") FCHALN-2

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[Pre Order - allow extra time] Alpine Astronomical Baader H-alpha Narrowband Filter (2") 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 ... more

Alpine Astronomical Baader H-alpha Narrowband Filter (2") FCHALN-2

[Pre Order - allow extra time] Alpine Astronomical Baader H-alpha Narrowband Filter (2") 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

$279.00

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Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 2") FSOL-2N

Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 2") FSOL-2N

Free Express Shipping! Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 2") Enhances Contrast in Solar Viewing, Filter Centered on 540nm Wavelength, Narrow 7.5nm Half-Bandpass, AR-Coated, Planeoptically Polished ... more

Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 2") FSOL-2N

Free Express Shipping! Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 2") Enhances Contrast in Solar Viewing, Filter Centered on 540nm Wavelength, Narrow 7.5nm Half-Bandpass, AR-Coated, Planeoptically Polished

$199.00

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Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 1.25") FSOL-1N

Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 1.25") FSOL-1N

Free Express Shipping! Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 1.25") Enhances Contrast in Solar Viewing, Filter Centered on 540nm Wavelength, Narrow 7.5nm Half-Bandpass, AR-Coated, Planeoptically Polished ... more

Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 1.25") FSOL-1N

Free Express Shipping! Alpine Astronomical Baader Solar Continuum Filter 7.5nm (540nm, 1.25") Enhances Contrast in Solar Viewing, Filter Centered on 540nm Wavelength, Narrow 7.5nm Half-Bandpass, AR-Coated, Planeoptically Polished

$119.00

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Alpine Astronomical Baader Double Polarizing Filter (1.25") FPOL-1D

Alpine Astronomical Baader Double Polarizing Filter (1.25") FPOL-1D

[Pre Order - allow extra time] Alpine Astronomical Baader Double Polarizing Filter (1.25") Double Rotating Filter Cells, Ideal for Lunar & Planetary Viewing, Enhances Overall Image Contrast, Standard 1.25" Eyepiece Filter Threads, Allows Solar Viewing... ... more

Alpine Astronomical Baader Double Polarizing Filter (1.25") FPOL-1D

[Pre Order - allow extra time] Alpine Astronomical Baader Double Polarizing Filter (1.25") Double Rotating Filter Cells, Ideal for Lunar & Planetary Viewing, Enhances Overall Image Contrast, Standard 1.25" Eyepiece Filter Threads, Allows Solar Viewing...

$97.00

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Alpine Astronomical Baader C-Mount to T2 Adapter with Filter Holder C-T2

Alpine Astronomical Baader C-Mount to T2 Adapter with Filter Holder C-T2

Free Express Shipping! Alpine Astronomical Baader C-Mount to T2 Adapter with Filter Holder Use Imaging Camera with T-2 Adapters, 1" Male C-Mount Threads, Female T-2 Photo Threads, Accepts Mounted and Unmounted Filters ... more

Alpine Astronomical Baader C-Mount to T2 Adapter with Filter Holder C-T2

Free Express Shipping! Alpine Astronomical Baader C-Mount to T2 Adapter with Filter Holder Use Imaging Camera with T-2 Adapters, 1" Male C-Mount Threads, Female T-2 Photo Threads, Accepts Mounted and Unmounted Filters

$53.00

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Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2") CLDIAG-2

Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2") CLDIAG-2

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Free Express Shipping! Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2") 2" Nosepiece & ClickLock Eyepiece Clamp, Dielectric-Coated Mirror, 99% Reflective Surface Mirror, Thermally Stable - Resists Heat, UV/IR Radiation Rejection,... ... more

Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2") CLDIAG-2

Free Express Shipping! Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2") 2" Nosepiece & ClickLock Eyepiece Clamp, Dielectric-Coated Mirror, 99% Reflective Surface Mirror, Thermally Stable - Resists Heat, UV/IR Radiation Rejection,...

$309.00

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Alpine Astronomical Baader 1.25" T-2 Nosepiece T2-14

Alpine Astronomical Baader 1.25" T-2 Nosepiece T2-14

Free Shipping! Alpine Astronomical Baader 1.25" T-2 Nosepiece Part of the Astro T-2 Modular System, For 1.25" Focusers & Accessories, T-2 Mount for Multiple Accessories, Threaded for Eyepiece Filters ... more

Alpine Astronomical Baader 1.25" T-2 Nosepiece T2-14

Free Shipping! Alpine Astronomical Baader 1.25" T-2 Nosepiece Part of the Astro T-2 Modular System, For 1.25" Focusers & Accessories, T-2 Mount for Multiple Accessories, Threaded for Eyepiece Filters

$35.00

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Alpine Astronomical Baader 2" to 1.25" Reducer Adapter T2-15

Alpine Astronomical Baader 2" to 1.25" Reducer Adapter T2-15

[Pre Order - allow extra time] Alpine Astronomical Baader 2" to 1.25" Reducer Adapter Part of the Astro T-2 Modular System, Use Smaller Eyepieces and Accessories, Fits Focusers, Barlows, and Diagonals, Standard T-2 Male Threads, 2" Filter Threads ... more

Alpine Astronomical Baader 2" to 1.25" Reducer Adapter T2-15

[Pre Order - allow extra time] Alpine Astronomical Baader 2" to 1.25" Reducer Adapter Part of the Astro T-2 Modular System, Use Smaller Eyepieces and Accessories, Fits Focusers, Barlows, and Diagonals, Standard T-2 Male Threads, 2" Filter Threads

$52.00

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