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

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 8-24mm Mark IV Zoom Eyepiece 1.25 HYP-ZOOM

Free Express Shipping! Alpine Astronomical Baader Hyperion 8-24mm Mark IV Zoom Eyepiece (1.25"/2") 8-24mm Zoom Focal Length, Phantom Coating Group Multi-Coatings, 7-Element/4-Group Flat-Field Lens Design, 1.25" and 2" Diameter Barrel Options, 2"... ... more

Alpine Astronomical Baader Hyperion 54mm-to-62mm DT-Ring HDT54/62

Easily connect your Hyperion or other Baader eyepiece to your camera's lens with the Alpine Astronomical Baader Hyperion 54mm-to-62mm DT-Ring for afocal and eyepiece projection astrophotography techniques. This version has 54mm threads to match the... ... 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 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 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 Standard Dovetail Base DOVE-B

Free Shipping! Alpine Astronomical Baader Standard Dovetail Base Mount a Variety of Accessories on OTAs, Black Anodized Milled Aluminum, Pre-Drilled Mounting Holes, Fits Tube Radii from 130-400mm ... 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... ... more

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

Free Express Shipping! 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, Baader T-2... ... 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 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 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 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 76° Morpheus 4.5mm Eyepiece 1.25 MORPH-4

The Alpine Astronomical Baader 76? Morpheus 4.5mm 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 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 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 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 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 ClickLock Mirror Star Diagonal (2") CLDIAG-2

FREE BONUS w/PURCHASE! 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 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" 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 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 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 1kg/2.2lb Leveling Counterweight (Vixen) CWT-V

Free Express Shipping! Alpine Astronomical Baader 1kg/2.2lb Leveling Counterweight (Vixen) Fits Vixen Dovetail Plates, V2A Stainless Steel ... more

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

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 TELESCOPES-Adapter Rings ... 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 ... more

Alpine Astronomical Baader 52-to-48mm Inverter Ring TRING-S52/M48

Alpine Astronomical Baader 52-to-48mm Inverter Ring 52mm External Thread, 48mm Internal TELESCOPES-Other Telescope Accessories ... more

Alpine Astronomical Baader M48 Extension Tube / 2" Nosepiece with Safety Kerfs (40mm) M48/40

Free Shipping! Alpine Astronomical Baader M48 Extension Tube / 2" Nosepiece with Safety Kerfs (40mm) Adjust Distance of M48 Mount Accessories, Also Used as M48 / 2" Nosepiece, Telescope Side: M48 Internal Threading, Eyepiece/Camera Side: M48 External,... ... 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" Safety Kerf Nosepiece T2-19A

Alpine Astronomical Baader 2" Safety Kerf Nosepiece Shallow Safety Kerfs Add Grip Security, Standard 2" Filter Threads on Both Ends, Outer Male SCT Mounting Threads, Flat-Black Anti-Reflection Body Coating, 27mm Optical Length after Threading... ... 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 Diamond Steeltrack Crayford Focuser for SCTs BDS-SC

Free Express Shipping! Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for SCTs Holds up to 13 Pounds, For Schmidt-Cassegrain OTAs, 2" Eyepiece Holder, Zero Backlash or Flex, 10:1 Dual Speed Mechanism, 30mm Total Travel Distance,... ... 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 36.4mm Male Thread to 1.25" Eyepiece Holder EYEHOLD-2VX

[Pre Order - allow extra time] Alpine Astronomical Baader 36.4mm Male Thread to 1.25" Eyepiece Holder Part of the T-2 Astro Modular System, Male 36.4mm Telescope-Side Threads, Enables the Use of 1.25" Eyepieces, Adjustable 29-35.5mm Optical Length,... ... more