Alpine Astronomical Baader Fringe Killer Filter (1.25") FFK-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 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... ... more

Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (1.25" Eyepiece) FUHCL-1

Free Express Shipping! Alpine Astronomical Baader UHC-L Ultra-L-Booster Nebula Filter (1.25" Eyepiece) Blocks City Light Pollution, Increases Contrast of Nebulae & Comets, CMOS-Optimized, Ideal for Astrophotography & Observation, Reflex-Blocker... ... more

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

Free Express Shipping! 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 with... ... more

Alpine Astronomical Baader 0.9 Neutral Density Filter (1.25") FND1-1

Free Express Shipping! Alpine Astronomical Baader 0.9 Neutral Density Filter (1.25") Ideal for Lunar Observation, Phantom Group Optical Coatings, Fits 1.25" Eyepieces and Accessories, 0.9 Optical Density, 12.5% Transmission, 8 Reduction Factor,... ... more

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

[Pre Order - allow extra time] 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,... ... more

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

[Pre Order - allow extra time] 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 Hyperion 68° 5mm Astronomical Eyepiece 1.25 HYP-5

Free Express Shipping! Alpine Astronomical Baader Hyperion 68° 5mm Astronomical Eyepiece (1.25"/2") 5mm Focal Length, Wide 68° Field of View, 8-Element/5-Group Lens Design, 7-Layer Broadband Multi-Coatings, 1.25" & 2" Diameter Barrel, M43 and M54... ... more

Alpine Astronomical Baader Hyperion 68° 24mm Astronomical Eyepiece 1.25 HYP-24

Free Express Shipping! Alpine Astronomical Baader Hyperion 68° 24mm Astronomical Eyepiece (1.25"/2") 24mm Focal Length, Wide 68° Field of View, 8-Element/5-Group Lens Design, 7-Layer Broadband Multi-Coatings, 1.25" & 2" Diameter Barrel, M43 and M54... ... more

Alpine Astronomical Baader Hyperion 68° 17mm Astronomical Eyepiece 1.25 HYP-17

Free Express Shipping! Alpine Astronomical Baader Hyperion 68° 17mm Astronomical Eyepiece (1.25"/2") 17mm Focal Length, Wide 68° Field of View, 8-Element/5-Group Lens Design, 7-Layer Broadband Multi-Coatings, 1.25" & 2" Diameter Barrel, M43 and M54... ... 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 ... more

Alpine Astronomical Baader 1.25" T-2 Nosepiece with Safety Kerfs T2-14A

[Pre Order - allow extra time] Alpine Astronomical Baader 1.25" T-2 Nosepiece with Safety Kerfs For Astro T-2 & Other Modular Systems, 28mm Insertion Length, 3mm T-2 Male Thread on Eyepiece Side, 1.25" Outer Diameter on Telescope Side, M28.5 Filter... ... more

Alpine Astronomical Baader 76° Morpheus 12.5mm Eyepiece 1.25 MORPH-12

Free Express Shipping! Alpine Astronomical Baader 76° Morpheus 12.5mm Eyepiece (1.25"/2") 12.5mm Focal Length, 76° Field of View, 8-Element/5-Group Lens Design, Phantom Coating Group Multi-Coatings, 1.25" and 2" Diameter Barrels, 43mm Photo T-Mount... ... more

Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (33.5-34mm) EYECP-2

Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (33.5-34mm) Improves Image Contrast and Brightness, Eliminates Peripheral Light/Distractions, Fits 33.5-34mm Eyepiece Barrels, Foldable for Use with Eyewear TELESCOPES-Other Eyepiece... ... more

Alpine Astronomical Baader Deluxe 1.25" / T-2 Eyepiece Holder EYEHOLD-2

Free Express Shipping! Alpine Astronomical Baader Deluxe 1.25" / T-2 Eyepiece Holder Part of the T-2 Astro Modular System, Holds 1.25" Eyepieces & Accessories, Tight Fit for Accurate Optical Alignment, Bronze Compression Ring, 3 Set Screws, Locking... ... more

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

An optional part of their modular Astro T-2 system the Alpine Astronomical Baader 1.25 T-2 Nosepiece allows an array of accessories and eyepieces to fit into 1.25 drawtubes focusers and visual backs.The nosepiece has M34 threads that accept the Baader... ... more

Alpine Astronomical Used Baader 76° Morpheus 6.5mm Eyepiece 1.25 MORPH-6

[FACTORY REFURBISHED] - Alpine Astronomical Baader 76° Morpheus 6.5mm Eyepiece (1.25"/2") -Refurb ... more

Alpine Astronomical Baader Maxbright II Binoviewer with 1.25" Nosepiece BINO-1

Free Express Shipping! Alpine Astronomical Baader Maxbright II Binoviewer with 1.25" Nosepiece Comfortable Both-Eyes-Open Viewing, Dual ClickLock Eyepiece Clamps, Use with 1.25" Eyepieces up to 35mm, 7-Layer Fully Multi-Coated Prisms, 1.25" Nosepiece... ... more

Alpine Astronomical Baader Hyperion Zoom 2.25x Barlow Lens (1.25") HYP-BARLOW

Free Express Shipping! Alpine Astronomical Baader Hyperion Zoom 2.25x Barlow Lens (1.25") Made for Use with Hyperion Zoom Eyepiece, Air-Spaced Triplet Lens Configuration, Phantom Coating Group Multi-Coatings, Anastigmatic Flat-Field Design, Internally... ... more

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

Free Express Shipping! Alpine Astronomical Baader 2" to 1.25" ClickLock Reducer Adapter Use Smaller Eyepieces in 2" Holders, 3-Point Clamp for Accurate Centering, Ideal for Imagers and Visual Use, Female T-2 Threads ... more

Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (40.5-41.5mm) EYECP-4

Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (40.5-41.5mm) Improves Image Contrast and Brightness, Eliminates Peripheral Light/Distractions, Fits 40.5-41.5mm Eyepiece Barrels, Foldable for Use with Eyewear TELESCOPES-Other... ... more

Alpine Astronomical Baader 76° Morpheus 14mm Eyepiece 1.25 MORPH-14

The Alpine Astronomical Baader 76? Morpheus 14mm Eyepiece is designed to deliver the performance that avid amateur astronomers and astrophotographers require for near and deep sky use. Outfitted with a wide 76? field of view it presents an immersive... ... more

Alpine Astronomical Baader 76° Morpheus 9mm Eyepiece 1.25 MORPH-9

Free Express Shipping! Alpine Astronomical Baader 76° Morpheus 9mm Eyepiece (1.25"/2") 9mm Focal Length, 76° Field of View, 8-Element/5-Group Lens Design, Phantom Coating Group Multi-Coatings, 1.25" and 2" Diameter Barrels, 43mm Photo T-Mount Threads,... ... more

Alpine Astronomical Baader 1.25"/T-2 Click-Lock Eyepiece Holder Adapter T2-08

Designed for 1.25 eyepieces and accessories the Alpine Astronomical Baader 1.25/T-2 Click-Lock Eyepiece Holder Adapter can be used to upgrade the conventional bronze compression ring and set screws on your telescope drawtube diagonals or Barlow lens or... ... more

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

[Pre Order - allow extra time] 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 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 ... more

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

[Pre Order - allow extra time] 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 UFC Filter Slider for 2" Eyepiece Filters UFC-2

[Pre Order - allow extra time] Alpine Astronomical Baader UFC Filter Slider for 2" Eyepiece Filters Part of the UFC Filter Changer System, For Use with Optional UFC Filter Base, Enables Fast Filter Changes, Secures Magnetically to Base ... 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 ... more

Alpine Astronomical Baader SLOAN/SDSS i' Filter (2" Eyepiece Filter) FSLN-2I

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

Alpine Astronomical Baader UFC Base/Filter Chamber UFC-BASE

Free Express Shipping! Alpine Astronomical Baader UFC Base/Filter Chamber Part of the UFC Filter Changer System, Accepts an Array of Filter Sliders, Optional Adapters for a Variety of Uses ... 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 ... 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,... ... 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 ... 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... ... more