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Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (2" Eyepiece Filter) FCUVIR-2

Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (2" Eyepiece Filter) FCUVIR-2

Free Express Shipping! Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (2" 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 (2" Eyepiece Filter) FCUVIR-2

Free Express Shipping! Alpine Astronomical Baader CMOS-Optimized UV/IR Bandpass L Filter (2" Eyepiece Filter) UV/IR Cut: 420-685nm, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges

$127.00

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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 H-beta Narrowband Filter (1.25" Eyepiece Filter) FCHBN-1

Alpine Astronomical Baader H-beta Narrowband Filter (1.25" Eyepiece Filter) FCHBN-1

[Pre Order - allow extra time] Alpine Astronomical Baader H-beta Narrowband Filter (1.25" Eyepiece Filter) 5.5nm 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-beta Narrowband Filter (1.25" Eyepiece Filter) FCHBN-1

[Pre Order - allow extra time] Alpine Astronomical Baader H-beta Narrowband Filter (1.25" Eyepiece Filter) 5.5nm FWHM, Ideal from f/10 to f/3.5, Optimized for CMOS, Suitable for CCD, Reflex-Blocker Hard Coated, Life-Coat Sealed Coating Edges

$217.00

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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 0.6 Neutral Density Filter (1.25") FND0-1

Alpine Astronomical Baader 0.6 Neutral Density Filter (1.25") FND0-1

Free Express Shipping! Alpine Astronomical Baader 0.6 Neutral Density Filter (1.25") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 1.25" Eyepieces and Accessories, 0.6 Optical Density, 25% Transmission, 4 Reduction Factor, Stackable... ... more

Alpine Astronomical Baader 0.6 Neutral Density Filter (1.25") FND0-1

Free Express Shipping! Alpine Astronomical Baader 0.6 Neutral Density Filter (1.25") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 1.25" Eyepieces and Accessories, 0.6 Optical Density, 25% Transmission, 4 Reduction Factor, Stackable...

$49.00

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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 685nm IR-Pass Filter (1.25") FIRP-1

Alpine Astronomical Baader 685nm IR-Pass Filter (1.25") FIRP-1

[Pre Order - allow extra time] Alpine Astronomical Baader 685nm IR-Pass Filter (1.25") Ideal for Planetary Viewing and Imaging, View in the Long Deep-Red Wavelength, IR Phantom-Group Optical Multi-Coatings, Passes the Narrow 685nm Bandwidth, Fits... ... more

Alpine Astronomical Baader 685nm IR-Pass Filter (1.25") FIRP-1

[Pre Order - allow extra time] Alpine Astronomical Baader 685nm IR-Pass Filter (1.25") Ideal for Planetary Viewing and Imaging, View in the Long Deep-Red Wavelength, IR Phantom-Group Optical Multi-Coatings, Passes the Narrow 685nm Bandwidth, Fits...

$98.00

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Alpine Astronomical Baader Contrast Booster Filter (1.25") FCB-1

Alpine Astronomical Baader Contrast Booster Filter (1.25") FCB-1

PROMO Get $14 in FREE Stuff + Free Exp. Delivery!

Free Express Shipping! Alpine Astronomical Baader Contrast Booster Filter (1.25") Ideal for Lunar and Planetary Viewing, Boosts Contrast and Sharpness, Natural Light Pollution Blocking, Eliminates False Colors, Removes the Common Bluish "Hue", Both... ... more

Alpine Astronomical Baader Contrast Booster Filter (1.25") FCB-1

Free Express Shipping! Alpine Astronomical Baader Contrast Booster Filter (1.25") Ideal for Lunar and Planetary Viewing, Boosts Contrast and Sharpness, Natural Light Pollution Blocking, Eliminates False Colors, Removes the Common Bluish "Hue", Both...

$109.00

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Alpine Astronomical Baader 2" NX4/C90/ETX Photo Adapter with 1.25" Filter Holder (Matte Black) NX4-ETX

Alpine Astronomical Baader 2" NX4/C90/ETX Photo Adapter with 1.25" Filter Holder (Matte Black) NX4-ETX

Free Express Shipping! Alpine Astronomical Baader 2" NX4/C90/ETX Photo Adapter with 1.25" Filter Holder (Matte Black) Baader 2958500 Universal Photo Adapter, For Celestron NX4 & Meade ETX Telescopes, Works with Celestron C90 Spotting Scope, NX4-SC:... ... more

Alpine Astronomical Baader 2" NX4/C90/ETX Photo Adapter with 1.25" Filter Holder (Matte Black) NX4-ETX

Free Express Shipping! Alpine Astronomical Baader 2" NX4/C90/ETX Photo Adapter with 1.25" Filter Holder (Matte Black) Baader 2958500 Universal Photo Adapter, For Celestron NX4 & Meade ETX Telescopes, Works with Celestron C90 Spotting Scope, NX4-SC:...

$61.00

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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 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 1.25" 45° Amici Erecting Diagonal AMICI-45

Alpine Astronomical Baader 1.25" 45° Amici Erecting Diagonal AMICI-45

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

Free Express Shipping! Alpine Astronomical Baader 1.25" 45° Amici Erecting Diagonal 1.25" Holder and Nosepiece, Anti-Reflection Multi-Coatings, Large 24mm Clear Aperture, Standard 1.25" Eyepiece Filter Threads ... more

Alpine Astronomical Baader 1.25" 45° Amici Erecting Diagonal AMICI-45

Free Express Shipping! Alpine Astronomical Baader 1.25" 45° Amici Erecting Diagonal 1.25" Holder and Nosepiece, Anti-Reflection Multi-Coatings, Large 24mm Clear Aperture, Standard 1.25" Eyepiece Filter Threads

$92.00

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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 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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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 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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