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

Alpine Astronomical Baader Hyperion 8-24mm Mark IV Zoom Eyepiece with Hyperion Zoom Barlow Lens HYP-ZMBAR

Free Express Shipping! Alpine Astronomical Baader Hyperion 8-24mm Mark IV Zoom Eyepiece with Hyperion Zoom Barlow Lens 8-24mm Zoom Eyepiece, Phantom Coating Group Multi-Coatings, 7-Element/4-Group Flat-Field Lens Design, 1.25" and 2" Diameter Barrel... ... 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 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 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 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 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 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 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 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 76° Morpheus 14mm Eyepiece 1.25 MORPH-14

Free Express Shipping! Alpine Astronomical Baader 76° Morpheus 14mm Eyepiece (1.25"/2") 14mm 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 (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 10mm Classic Ortho Eyepiece (1.25") BC0-10

Free Express Shipping! Alpine Astronomical Baader 10mm Classic Ortho Eyepiece (1.25") 10mm Focal Length, 52° Apparent Angle of View, 1.25" Diameter Barrel, True High-Transmission Multi-Coatings, 4-Element/2-Group Lens Design, Produces Medium Power on... ... more

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

Free Express Shipping! Alpine Astronomical Baader 1.25"/T-2 Click-Lock Eyepiece Holder Adapter 1.25" Eyepiece Holder, 3-Point Clamp for Accurate Centering, 6.5mm Micro-Focusing/Adjustment Travel, Replaces Stock Compression Holders ... more

Alpine Astronomical Baader Eyepiece Case for Hyperion/Morpheus Eyepieces HYP-CASE

[Pre Order - allow extra time] Alpine Astronomical Baader Eyepiece Case for Hyperion/Morpheus Eyepieces Hard Carrying Case, Reinforced Corners, Holds up to Eight Eyepieces, Custom Cut Foam Lining, Lockable Snap Latches, Molded Carrying Handle, Case... ... 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 Double Polarizing Filter (1.25") FPOL-1D

Use the Alpine Astronomical Baader Double Polarizing Filter to eliminate extraneous light and improve contrast during lunar and planetary observations. It is made with standard 1.25 threads to fit on just about any eyepiece. The filter's double... ... 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 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 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" ClickLock Reducer Adapter T2-15B

Use the Alpine Astronomical Baader 2 to 1.25 ClickLock Reducer Adapter to enable the use of smaller eyepieces and accessories in 2 holders without losing the benefits of the ClickLock system. A short 9.5mm optical height won't affect image quality when... ... more

Alpine Astronomical Baader Zenith Prism Star Diagonal (1.25") PRISM-1

Alpine Astronomical assembled three components of their T-2 Astro modular accessory system into a single highly useful diagonal for 1.25 focusers and accessories: the Baader Zenith Prism Star Diagonal. You get a 1.25 holder a highly-reflective star... ... more

Alpine Astronomical Baader Fringe Killer Filter (1.25") FFK-1

Free Express Shipping! Alpine Astronomical Baader Fringe Killer Filter (1.25") Blocks Defocused Blue Light, Eliminates Near-IR Red Light above 700nm, Helps to Reveal Lunar/Planetary Details ... 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 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 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 ... more

Alpine Astronomical Baader Hyperion M43/T-2 T-Adapter HTA43/T2

Alpine Astronomical Baader Hyperion M43/T-2 T-Adapter Fits Regular and Zoom Hyperion Eyepieces, Fully Compatible with T-2 Astro System, Adapt Eyepiece for Camera Mounting, For Eyepiece Projection Astrophotography TELESCOPES-Adapter Rings ... 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 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 2" ClickLock Eyepiece Clamp for 2" SCT Visual Back Threads CLSC-2

Free Express Shipping! Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for 2" SCT Visual Back Threads Replaces Stock Compression Holders, 3-Point Clamp for Accurate Centering, Ideal for Imagers and Visual Use ... more

Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for Takahashi Focusers with M56i Threads CLTAK-2I

[Pre Order - allow extra time] Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for Takahashi Focusers with M56i Threads Replaces Stock Compression Holders, 3-Point Clamp for Accurate Centering, Ideal for Imagers and Visual Use ... 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 Polaris I 25mm Illuminated Measuring and Guiding Eyepiece POL-1

[Pre Order - allow extra time] Alpine Astronomical Baader Polaris I 25mm Illuminated Measuring and Guiding Eyepiece Low-Power 25mm Focal Length, Guiding and Measuring Reticle, Adjustable Red Reticle Illumination, 3-Element/2-Group Lens Design, Phantom... ... more

Alpine Astronomical Baader UFC Filter Slider for 2" Eyepiece Filters UFC-2

Designed to hold filters of all types and uses that are mounted in standard 2 eyepiece filter frames the Alpine Astronomical Baader UFC Filter Slider is an integral part of their Universal Filter Changer System. For use it simply slides into the... ... more

Alpine Astronomical M43 7.5mm Extension Ring for Hyperion and Morpheus Eyepieces SPCR-43

Alpine Astronomical M43 7.5mm Extension Ring for Hyperion and Morpheus Eyepieces Fits between Eyecup and Eyepiece, Adds 7.5mm of Optical Distance, Threaded M43 Interior and Exterior Ends TELESCOPES-Other Eyepiece Accessories ... more

Alpine Astronomical Baader MaxBright II Binoviewer Kit with 1.25x Glass Path Compensator and 1. BINO-11

Free Express Shipping! Alpine Astronomical Baader MaxBright II Binoviewer Kit with 1.25x Glass Path Compensator and 1.25" Nosepiece Comfortable Both-Eyes-Open Viewing, Dual 1.25" ClickLock Eyepiece Clamps, 1.25" Nosepiece to Fit Standard Holders,... ... more

Alpine Astronomical Baader MaxBright II Binoviewer with 2" Nosepiece BINO-2

Free Express Shipping! Alpine Astronomical Baader MaxBright II Binoviewer with 2" Nosepiece Comfortable Both-Eyes-Open Viewing, Dual ClickLock Eyepiece Clamps, Use with 1.25" Eyepieces up to 35mm, 7-Layer Fully Multi-Coated Prisms, 2" Nosepiece to Fit... ... more