Alpine Astronomical Baader 76° Morpheus 6-Piece Eyepiece Set 1.25 MORPH-SET

[Pre Order - allow extra time] Alpine Astronomical Baader 76° Morpheus 6-Piece Eyepiece Set (1.25"/2") 4.5mm/6.5mm High-Power Eyepieces, 9mm/12.5mm/14mm Moderate-Power Eyepieces, 17.5mm Low-Power Eyepiece, 8-Element/5-Group Lens Design, 1.25" and 2"... ... 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 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 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 TurboFilm (50 x 20", Clear) TURBO

Free Shipping! Alpine Astronomical Baader TurboFilm (50 x 20", Clear) Homogeneous Monomer Film / Not Mylar, Guards Optics from Dust & Humidity, 50 x 20" / 127 x 51cm Size, Clear / Optical Density 0.1, 1/10 Wave Plane Equivalent, Low Wedge Error ... 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:... ... more

Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (2") FCFB-2

Free Express Shipping! Alpine Astronomical Baader Blue Colored Bandpass Eyepiece Filter (2") Planetary Viewing/Imaging Filter, 470nm Wavelength Bandpass, 2" Eyepiece Threads, 7-Layer Anti-Reflection Multi-Coated, No Reflections, Scatter or Image... ... 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 Planetarium Mark III Laser Collimator (Black) LASER

[Pre Order - allow extra time] Alpine Astronomical Planetarium Mark III Laser Collimator (Black) Helps Correct Coma Aberrations, For Newtonian/Schmidt-Cassegrain Scopes, Compatible with 1.25" Eyepiece Tubes, 1mW Laser Uses Three LR/SR 41 Batteries,... ... more

Alpine Astronomical Baader Hyperion 68° 21mm Astronomical Eyepiece 1.25 HYP-21

[Pre Order - allow extra time] Alpine Astronomical Baader Hyperion 68° 21mm Astronomical Eyepiece (1.25"/2") 21mm 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... ... more

Alpine Astronomical Baader 72° Hyperion 36mm Aspheric Eyepiece 1.25 HYP-36

FREE BONUS w/PURCHASE! Alpine Astronomical Baader 72° Hyperion 36mm Aspheric Eyepiece (1.25"/2") 36mm Focal Length, 72° Field of View, 6-Element/4-Group Aspheric Lens Design, 1.25"/2" Diameter Barrel, Phantom Coating Group Multi-Coatings, 43mm and 54mm... ... more

Alpine Astronomical Baader 2" T-2 Nosepiece T2-16

Free Shipping! Alpine Astronomical Baader 2" T-2 Nosepiece Part of the Astro T-2 Modular System, For 2" Focusers & Accessories, T-2 Mount for Multiple Accessories, Threaded for Eyepiece Filters ... more

Alpine Astronomical Baader Green Colored Bandpass Eyepiece Filter (2") FCFG-2

Centered on the 500nm wavelength the Alpine Astronomical Baader Green Colored Bandpass Eyepiece Filter can be used by itself or stacked with other filters to enhance your observations when viewing the moon or planets such as Mars Jupiter and Saturn.... ... more

Alpine Astronomical Baader Semi-APO Eyepiece Filter (2") FSAPO-2

Eliminate color fringing and darken the sky when looking through your achromatic telescope with the 2 Alpine Astronomical Baader Semi-APO Eyepiece Filter to make it perform more like an apochromat.This specially-engineered filter combines the... ... more

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

[Pre Order - allow extra time] 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 2" ClickLock Eyepiece Clamp for 3.25" SCT Visual Back Threads CLSCL-2

Free Express Shipping! Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for 3.25" SCT Visual Back Threads Replaces Stock Compression Holders, 3-Point Clamp for Accurate Centering, Ideal for Imagers and Visual Use ... more

Alpine Astronomical Baader M68 Extension Tube (10mm) M68/10

The 10mm-long Alpine Astronomical Baader M68 Extension Tube is part of their Tele-Compendium astrophotography system. Using this tube by itself or stacked with other sizes of extension tubes enables you to set the focal length and achieve the best... ... more

Alpine Astronomical Baader Hyperion 68° 10mm Astronomical Eyepiece 1.25 HYP-10

[Pre Order - allow extra time] Alpine Astronomical Baader Hyperion 68° 10mm Astronomical Eyepiece (1.25"/2") 10mm 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... ... 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 2" ClickLock Eyepiece Clamp for Celestron/SkyWatcher/Orion Reflector CLSKYWN-2E

Designed to fit Celestron Sky-Watcher and Orion Newtonian reflectors that have external M54x1 threaded focusers the Alpine Astronomical Baader 2 ClickLock Eyepiece Clamp is a unique eyepiece mounting system that is superior to conventional mountings.... ... more

Alpine Astronomical Ultrashort 1.25" / T-2 Eyepiece Holder EYEHOLD-1S

[Pre Order - allow extra time] Alpine Astronomical Ultrashort 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, Brass Compression Ring, 3 Set Screws,... ... 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 2" NX4/C90/ETX Expansion Ring (Matte Black) NX4-SC

Use the Baader 2 NX4/C90/ETX Expansion Ring from Alpine Astronomical to connect components with 1.4 male threads to devices with 2 female threads. It is compatible with the Meade ETX and Celestron NexStar 4 telescopes but will also work with the... ... 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 Off-Axis Guider for Baader FlipMirror II BFM-OAG

[Pre Order - allow extra time] Alpine Astronomical Baader Off-Axis Guider for Baader FlipMirror II Use with Baader FlipMirror II Diagonal, Direct Attachment of Autoguider Camera, Works Independent of the Mirror Position, Requires 24mm Back Focus on BFM... ... more

Alpine Astronomical Baader 2" ClickLock M54e x 0.75 Clamp for TS-Optics/Skywatcher CL-M54E

Baader 2 ClickLock M54 x 0 75 external threaded clamp – for all focusers from TS-Optics / Skywatcher with M54 x 0 75 internal threadA small rotation by 20? with gentle fingertip pressure to the knurled lever is enough to securely clamp every 2... ... more

Alpine Astronomical Baader Handle with 3" Rail Clamps for Telescopes HANDLE-L

This Baader Handle from Alpine Astronomical features two 3 clamps for attaching to 3 (Losmandy style) dovetail mounts. ... more

Alpine Astronomical Baader MaxBright II Binoviewer Complete Set BINO-S

[Pre Order - allow extra time] Alpine Astronomical Baader MaxBright II Binoviewer Complete Set NULL ... 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 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 Machine Grease #2 Teflon-White (-13 to 104°F) GREASE-2

Use Baader Machine Grease #2 Teflon-White from Alpine Astronomical to treat telescope mounts or other parts. This grease is rated for temperatures ranging from -13 to 104?F and will keep your telescope parts in good condition for a long time. It has... ... 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 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 T-2 Adjustment/Spacer Ring 15-Piece Set T2RING

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 TELESCOPES-Adapter Rings ... more

Alpine Astronomical M54 Fine-Adjustment Ring Set M54RING

This M54 Fine-Adjustment Ring Set from Alpine Astronomical includes 0.3mm 0.5mm and 1mm aluminum spacer rings for fine-tuning the M54 system. ... more

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

Designed for 1.25 eyepieces eyepieces with a barrel diameter of approximately 40.5-41.5mm the Alpine Astronomical Baader Winged Rubber Eyecup replaces the stock eyecup on your eyepiece to block peripheral light from interfering with your views and to... ... more

Alpine Astronomical Baader DT-4 Eyepiece Extension (1.25") T2-05

Alpine Astronomical Baader DT-4 Eyepiece Extension (1.25") Part of the T-2 Astro Modular System, Adds 31.8mm of Optical Length, Front and Rear 1.25" Filter Threads, Accepts 1.25x/1.7x Glasspath Correctors TELESCOPES-Other Eyepiece Accessories ... more