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

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 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 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 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,... ... 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 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 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 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 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 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

Alpine Astronomical Baader FlipMirror II Star Diagonal BFM-II

Free Express Shipping! Alpine Astronomical Baader FlipMirror II Star Diagonal Essential for Accurate Astrophotography, Three Ports for Cameras & Accessories, Multi-Layer Aluminum-Coated Flip Mirror, Precise Adjustments for All Light Paths, Caps for All... ... 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 T-2 40mm Extension Tube T2-25B

Free Shipping! Alpine Astronomical Baader T-2 40mm Extension Tube Part of the Astro T-2 Modular System, Adds Spacing for System Components, Internal T-2 Threads at One End, External T-2 Threads at Other End, Stackable with Other T-2 Extension Tubes ... more

Alpine Astronomical Baader M36.4 /T-2 Adapter Ring T2-03

Alpine Astronomical Baader M36.4 /T-2 Adapter Ring Part of the T-2 Astro Modular System, Standard M36.4 Vixen Attachment Thread, For Direct Photo Attachment onto OTAs TELESCOPES-Adapter Rings ... 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" ClickLock BBHS Star Prism Diagonal PRISM-2Z

[Pre Order - allow extra time] Alpine Astronomical Baader 2" ClickLock BBHS Star Prism Diagonal BAK4 Prism Glass, Phantom Group Multi-Coated, Broadband Hard-Silver (BBHS) Coated, Optimized for 390-2000nm Spectral Range, 2" ClickLock Eyepiece Holder, 2"... ... 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 T-2 Adjustment/Spacer Ring 15-Piece Set T2RING

Free Shipping! Alpine Astronomical Baader T-2 Adjustment/Spacer Ring 15-Piece Set Part of the T-2 Astro Modular System, Three Rings, Each in Five Sizes, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm ... 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 2" 90° Deluxe Astro Amici Erecting Diagonal AMICI-DX2

[Pre Order - allow extra time] Alpine Astronomical Baader 2" 90° Deluxe Astro Amici Erecting Diagonal Amici Erect-Image Diagonal, Broadband BBHS Internal Mirror Coatings, Anti-Reflection Phantom Group Coatings, Horizontal/Vertical Corrected Views, 44mm... ... more

Alpine Astronomical Baader T-2 90° Astro Amici Erecting Diagonal AMICI-DX1

Free Express Shipping! Alpine Astronomical Baader T-2 90° Astro Amici Erecting Diagonal Part of the Astro T-2 Modular System, Standard Male and Female T-2 Threads, Broadband BBHS Internal Mirror Coatings, Anti-Reflection Phantom Group Coatings,... ... more

Alpine Astronomical Baader 2" Mark III Multi-Purpose Coma Corrector for Dobsonian OTAs MPCC

Free Express Shipping! Alpine Astronomical Baader 2" Mark III Multi-Purpose Coma Corrector for Dobsonian OTAs Visual and Astrophotographic Use, Use on f/3.5 - f/6 Fast Dobsonian OTAs, Ideal for DSLR Cameras or CCD Imagers, No Ghosting from UV/IR... ... 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 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 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 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 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

[Pre Order - allow extra time] 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 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 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 1.25" 45° Amici Erecting Diagonal AMICI-45

The Alpine Astronomical Baader 1.25 45? Amici Erecting Diagonal is the ideal addition to your accessory kit for low-to-medium magnification celestial and terrestrial observations. The standard-size 1.25 holder and nosepiece are compatible with the most... ... more

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

[Pre Order - allow extra time] Alpine Astronomical Baader Zenith Prism Star Diagonal (1.25") Baader Deluxe 1.25"/T-2 Eyepiece Holder, Tight Fit for Accurate Optical Alignment, Bronze Compression Ring, 3 Set Screws, Locking Micro-Focusing Mechanism,... ... more

Alpine Astronomical Baader VariLock 46 Extension Tube T2-25V

Free Express Shipping! Alpine Astronomical Baader VariLock 46 Extension Tube Part of T-2 Astro Modular System, Adjustable 29-46mm Length, Lockable to Maintain Setting, Engraved Scale for Repeatability ... more

Alpine Astronomical Baader Wide T-Ring Set for Nikon Z TRING-NZW

[Pre Order - allow extra time] Alpine Astronomical Baader Wide T-Ring Set for Nikon Z Part of the Astro T-2 Modular System, Connect DSLR Body to T-2 Accessories, Secure Camera-Side Bayonet Mount, Removable T-Mount for Expanded Uses ... more

Alpine Astronomical Baader Spanner Wrench with 2mm Pins (Black) SPANNER

Alpine Astronomical Baader Spanner Wrench with 2mm Pins (Black) Use with M48/T-2 Insert Ring, For Baader Protective Canon T-Ring, 2mm-Diameter Ring Pins, Adjustable Width Between Pins, Compatible with Other Select Rings, Metal Construction... ... 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