- Unique Astronomical Accessories -
Welcome to Alpine Astronomical, where you will find a growing selection of
truly unique high-quality astronomical equipment and accessories.
Whether your interest is visual observation or imaging of the Planets, Deep Sky, or Sun - Alpine Astronomical is committed to providing the ultimate tools. To
fulfill this goal we have partnered with some of the world's premier
Astronomical equipment manufacturers.
We are pleased to offer many
high-quality products from
Planetarium, and think you will find them as
innovative and useful as we have. Most of these accessories have been
designed as a system, enabling you to mix and match to meet your specific
needs. As a fully authorized Baader Planetarium distributor for these
products, we are able to offer expert sales and support for North America.
We welcome Dealer inquiries.
Alpine Astronomical offers the full
HPS GoTo Mountings and Accessories. These
innovative and ultra-precision absolute endoder GoTo mountings are truly in a class by themselves.
supply a wide range of filters for studying the Sun. We carry the
full line of professional
filters and Baader
White Light and Calcium filters.
PlaneWave CDK20, 20" Astrograph
We'll be closed from April 16 -21. We'll fill
orders and answer emails promptly when we return. We are sorry for the
Baader's new BSF AstroSolar Filters are here!
last the world's finest objective solar filter material is now available as a
complete range of high-quality mounted Baader Solar Filters. Their
innovative design and construction enables each filter to fit a wide range of
instruments - From High-End Telescopes, to Spotting Scopes, Camera Lenses, and
even special versions to fit Binoculars. Each filter is precisely mounted
at Baader onto special cells, guaranteeing a stress-free mounting that preserves
the full optical quality of the AstroSolar filem (ASTF Telescope Filters include
a floating thermo-compensated cell element).
Baader's new f/2 Highspeed Narrowband Filters
(H-a/O-III/S-II) have been selected by Sky & Telescope as a Hot New Product for
New Imaging Filters and New Heavy-Duty Quick Changer. Baader's
3.5nm Narrowband H-alpha filters and f/2 Highspeed Narrowband Filters
imagers new tools to record the maximum contrast even with
the latest high-speed imaging systems. The new Heavy Duty Quick Changer
enhances the standard quick changer with a non-rotating pressure block that
enables the changer system to hold much heavier accessories.
Alpine Astronomical is pleased to announce the availability of
the new 10Micron HPS Mountings, including the new GM1000HPS. All 3
mountings utilize the new HPS system, utilizing high resolution absolute
encoders on both axis to deliver an incredible <1arcsec (p-p) tracking error.
10Micron HPS system for < 1arcsec! (p-p) tracking accuracy and 15deg/sec
slewing. in a compact lightweight mount. The ultimate portable
mounting for un-guided imaging with instrument payloads up to 55lb.
GM2000 HPS UltraPortable,
Now with the
amazing HPS system for < 1arcsec! (p-p) tracking accuracy
and 20deg/sec slewing! The
ultimate large capacity GoTo mount for portable and permanent use
(instrument payload capacity 130lb).
Ideal for visual and un-guided imaging with large refractors and cassegrains. World-class quality, precision, and performance in a surprisingly compact
GM4000 HPS Observatory,
Now with the
amazing HPS system for < 1arcsec (p-p) tracking accuracy! Super-capacity automated observatory platform.
Precision, quality and performance previously unavailable in a production
mounting. The GM4000HPS is the most cost effective solution available
to professionals and research institutions. The low price point
makes the GM4000HPS accessible to advanced amateurs looking for professional
level capacity and performance in a mount up to the task of carrying large
instrument loads of over 300lbs!
Baader Planetarium has taken astronomical filtration to new levels.
Baader's innovative new designs and features, together with the very latest
thin film coating technologies, result in outstanding performance, efficiency,
and image quality. Baader filters are unique, in that they
utilize true optically polished flat substrates. Ultra-thin precision cells
deliver the maximum clear aperture and minimize vignetting.
Ionbeam hardened coatings ensure your filter will withstand real-world use
and repeated cleaning - they are tough enough to survive boiling water!
Whether for visual observation of planets and deep sky, or imaging with
CCD/DigiCam/Webcam, Baader filters stand out from the crowd.
and Contrast Enhancement
Baader Semi-APO Filter,
Baader's latest filter combines properties of the renowned Fringe Killer
and the Moon & Skyglow into a single filter. The result is the
most neutral and violet fringe-free views obtainable with achromatic
telescopes. The unique properties of the Semi-APO filter
significantly enhances views of Mars with ALL telescopes (reflectors and
all refractors), while maintaining a very natural appearance (almost no
Baader Fringe Killer,
in Sky & Telescope April 2004 Review! The World's most advanced
"minus violet" filter is here.
Greatly reduces the de-focused violet fringe in achromats, while
preserving the natural color balance with minimal reduction in
brightness! Incorporates Baader's legendary UV/IR filtration to also
make this the ultimate CCD and Webcam imaging filter for achromats.
in Sky & Telescope April 2004 Review! More than just a
minus violet filter. Significantly boosts lunar and planetary
contrasts, cuts skyglow, and totally eliminates the de-focused blue halo
from achromats. Outstanding filter for Mars, with all telescopes!
Baader Moon & Skyglow Filter,
in Sky & Telescope April 2004 Review! Innovative Neodymium
filter, enhances both planetary and
deep sky contrasts by reducing skyglow caused by artificial lighting and
background glow from Moonlight. Also acts as an RGB intensifier for
boosting color contrasts of many planetary features. Ionbeam hardened multicoatings and very high transmission for maximum durability and image
Baader Premium Colored Filters,
Now in 2" Size!! World's
finest colored filters for lunar and planetary observing.
Multi-coatings, fineoptical polish and ideal spectral characteristics make
these 6 filters the perfect tool for serious planetary observation and
imaging. Available in both 1¼" and 2" Sizes.
Baader Solar Continuum Filter,
Though intended primarily for Solar Observation, the 540nm
Solar Continuum filter also works as the perfect narrowband green filter for star testing of refractors.
Baader UHC-S Nebula Filter,
A new generation of premium nebula filter. The UHC-S delivers
a darker sky and improved contrast over typical broadband 'Deep Sky
Filters', but without sacrificing all the stars like other 'UHC' filters.
Extreme efficiency makes this filter great for smaller scopes as well as
the giants. Ideal for imaging, too (with >99% transmission of
Baader O-III Visual Nebula Filter,
Outstanding views of many emission and planetary nebula.
The Baader O-III delivers maximum contrast and image sharpness due to it's
narrow, high efficiency bandpass and high quality single
Baader UV-IR-Cut Filter, The ultimate UV and Infrared blocker, for Digital Camera, CCD, and Webcam (Toucam!)
imaging (also useful for protecting expensive H-alpha filters). Many
of the very best Planetary images from around the world have been taken
using this filter. Sharp cutoff and 98% transmission!
Now in 36mm
Round, 50.8mm Round, 50mm Square, and 65mm Square.
Baader UV-IR-Cut DSLR Filters,
Convert your Canon digital SLR to an astro-camera. Baader's new ACF
filters are designed to replace your camera's stock 'hot mirror' with a
special UV/IR filter that retains maximum transmission in H-Alpha.
Also boosts resolution (due to elimination of the moire filter in the
stock Canon filter). Filters are available to fit most models of
Canon DSLRs (sorry, no filters for Nikon at this time).
Baader IR-Pass Filter, The secret behind some of the world's best amateur planetary images. Reduces
the effects of atmospheric turbulence on planetary images by allowing you
to capture the luminance image at longer wavelengths (starting at 670nm).
U-Filter (UV, Venus) Filter,
Special 350nm Bandpass Filter enables imaging of cloud structures on
Venus! Also ideal for terrestrial UV Imaging. 1.25" and 2" Sizes.
Baader H-Alpha 35nm Bandpass Filters,
The wider bandpass makes this the perfect H-Alpha filter for deep sky imagers with Digital SLRs and
interline CCDs. Extremely high
transmission, sharp cutoff, and superb optical quality. 1.25/2/RD50/SQ65
Baader Narrowband CCD Bandpass Filters, Now in H-Alpha, H-Beta, O-III and S-II. Baader's new narrowband
CCD filters deliver outstanding transmissions. Available in narrow 7-8.5nm bandpasses
and also 3.5nm H-alpha to totally
block all light pollution and longer wavelengths, delivering the highest
contrast CCD images possible at these emission lines. Baader's world-leading optical quality and
coating consistency ensures maximum contrast with
no loss of image sharpness.
Available in 1.25" and 2" Mounted,
36mm Round, 50.8mm Round, 50mm Square, and 65mm Square (unmounted).
f/2 Highspeed Narrowband Filters, give
imagers new tools to record the maximum contrast even with the latest
high-speed imaging systems.
Available in H-Alpha, H-Beta, O-III and S-II.
Filters, After an extensive development process, Baader Planetarium is at last able
to introduce the next evolution of the RGB filter. Through the use
of the very latest coating equipment and coating design technology, the Baader LRGBC
filters are able to produce improved color separation, top image quality,
extreme transmissions, and freedom from the reflections common in other
premium RGB filters.
Available in 1.25" and 2" Mounted,
36mm Round, 50.8mm Round, 50mm Square, and 65mm Square (unmounted).
Modular Eyepieces, Sky&Telescope's
Hot Astronomy Product for 2008! World-class performance and unique features, at an amazing price point.
Advanced Baader proprietary multicoatings, optical quality, and internal
baffling deliver superb high-contrast widefield views. Innovative
optical and mechanical features enable variable focal lengths
and use as a multifunctional projection
eyepiece for imaging. 5,8,10,13,17,21,24mm
focal lengths, each with dual 1¼"/2"
10mm Hyperion now in
A technological first - the Baader Hyperion-Aspherics incorporate aspheric
surfaces to deliver outstanding performance. Their extremely
comfortable view and flat
wide field is packed into a relatively compact size - at a very reasonable
price. Threaded for direct camera attach for imaging and includes 1¼"
barrel in addition to
the 2" Barrel.
Hyperion 8-24mm Clickstop Zoom
- MKIII Version!
Superb optical performance, quality, and Innovative features. Advanced Baader
Barlow, NEW!! Optically
Matched 2.25X Barlow quickly converts all Baader Hyperion Clickstop Zoom
Eyepieces into a 3.5-10.5mm Clickstop Zoom. Anastigmatic Flatfield
Triplet design works superbly as a general purpose Modula Barlow for all
eyepieces and projection imaging uses.
Classic Eyepieces and Classic Q-Turret Eyepiece Sets, Baader Planetarium set out to produce a high-performance eyepiece, without breaking the
bank. The result, eyepieces with value and performance that matches
much more expensive 'planetary eyepieces'. Super-low
multi-coatings, superb optical polish and straightforward mechanics result in
maximum contrast, resolution, and light throughput. 6,10,18,32mm
focal lengths, 1¼" Barrel.
Matching 2.25X Q-Barlow and 4-position Q-Turret create the ideal set for a
large range of 8 focal lengths, instantly available with a twist of the
Zeiss Abbe 2X Barlow, The Zeiss Abbe Barlow is back!! Baader Planetarium has persuaded
Zeiss to produce more of their legendary
Abbe barlow and incorporated the superb Clicklock eyepiece clamp.
The result is the world's finest barlow.
Not Available at this time
VIP 2X Modular Barlow, Flat field, large aperture, air-spaced
Barlow. The perfect compliment to Baader Genuine Orthos.
Modular T-2 assembly and dual 1¼"/2"
design enables visual and imaging
Blazed Grating Spectroscope/Spectrograph, The original eyepiece spectroscope. Utilizes Baader's proprietary
blazed transmission grating to deliver extra-bright spectra (up to 82%
first order transmission!, 30% brighter than other available eyepiece
spectrographs). Designed for both visual study and imaging.
Perfect for educators.
Winged Rubber Eyecups,
Three sizes to fit most 1¼" eyepieces
. Perfect for binoviewing and replacement of inferior 360degree
Crayford Focusers, Baader
Planetarium brings their renowned quality and innovation to the crayford
focuser. Precision Ball Bearings run on hardened polished steel ways
for ultra-smooth action. 10:1 reduction and oversized knobs enable
finger-touch fine focusing. Available in 4 sizes; 2" Newtonian
Low-Profile, 2" SCT, 2" Refractor, and Giant 3" Refractor.
Viewer, Baader Binoviewer quality and features in a new
low-priced version! Not just another 'Chinese Clone' variant.
Top optical quality, collimation, and T-2 Modularity set the Maxbright
apart from the crowd. Includes Baader's renowned Glasspath
Numerous Accessories enable optimal adaptation to any telescope.
2" Newtonian 1.7X Coma-Correcting Glasspath
Greatly reduces back-focus needed for Binoviewing with Newtonians.
Advanced optical design corrects coma, prism color errors, and spherical
aberration in fast systems, without vignetting (even with Baader's 29mm Mark V
Giant Binoviewer). Outstanding coatings and stray light baffling.
Precision T-2 Amici Diagonal, at last, a
super-high optical quality correct image
star diagonal in an oversized 1¼"+
format. T-2 Modularity.
T-2 Prism Star Diagonal, world's finest right angle prism
star diagonal. Oversized Zeiss Prism, T-2 Modularity.
T-2 Maxbright Mirror Diagonal,
the ultimate in high reflectivity
diagonals, in a 1¼"+ oversized form-factor. The low-scatter 99%
all-dielectric coatings and proprietary coating process results in the
flattest, highest performance diagonal available. T-2 Modularity
makes this diagonal fully adaptable for any need.
Clicklock Mirror Diagonal,
Big brother to the
T-2 Maxbright. New 2" Clicklock Eyepiece Holder for ultra-fast
secure clamping! Low scatter all-dielectric coated, 1/10 wave mirror.
Extra Large-Aperture, Modular housing,
and even a low-profile attachment for SCTs. (Permits full access for Nexstar 8/8i
Baader Cool-Ceramic Safety Herschel Prism,
Sky & Telescope Hot New Product for 2006!
Baader's New 2"
Cool-Ceramc Safety Herschel Prism delivers the finest white-light
solar views obtainable. New version is completely sealed and
incorporates a unique ceramic solar finder. Views are notably
superior in resolution and contrast to even the very finest and most
expensive glass objective solar filters and films. Brand New 3rd
Generation Version, also includes Solar Continuum Filter.
Baader Solar Filters (BSF), with AstroSolar™
Safety Film, At last the
world's finest objective solar filter material is available as a complete
range of mounted Baader Solar Filters. Their innovative design and
construction enables each filter to fit a wide range of instruments - From
High-End Telescopes, to Spotting Scopes, Cameral Lenses, and even special
versions to fit Binoculars.
Safety Film, delivers white light
views of the Sun that are unmatched by any other objective solar filter or
material (Glass or Mylar) - at an affordable cost for telescopes of all sizes.
Baader Calcium K-Line Filter, Unique double-stacked hard coated filter, centered at 395nm, allows imaging
of the Sun at the CaK emission lines, for a tiny fraction of the cost of
dedicated CaK telescopes! Works with all telescopes (Refractor, SCT,
Newtonians). Great for imaging Venus Cloud Features!
Baader Solar Continuum Filter,
Unique filter, designed to transmit a specific 540nm region to enhance
granulation and penumbral contrast for both visual and imaging.
Reduces effects of atmospheric turbulence. Especially good for
achromatic refractors. Note: Use of a primary solar filter is
also required (ie Herschel Wedge, Baader Solar Filter, or AstroSolar film).
Solar Spectrum H-Alpha Filters,
Professional spec. large-aperture narrowband filter systems for H-Alpha.
Delivers amazing high resolution and high contrast views of solar disk
features and prominences. At reasonable prices.
Baader H-Alpha Accessories, Cool-ERF filters from 70 to
180mm, New 2X and 4X Telecentric Lens Systems utilizing the
latest H-Alpha optimized designs.
Baader 2" MPCC Mk III Multi Purpose Coma Corrector,
NEW Version! Optimized Wide-Field Design to correct Coma in fast (f/3.5-f/6) Newtonians.
Flexible design for numerous imaging and visual configurations,
no magnification increase! New Optical Design, Larger 44mm
Baader RCC-I Coma Corrector,
Rowe Coma Corrector, Triplet Design to correct Coma in fast (f/3.5-f/6)
Extra Long Back-Focus to permit use of guiders, filter wheels, adaptive
optics. No magnification increase!
Baader RCC Off-Axis Guider,
Radial/Axial Off-Axis Guider matched to work with RCC Coma Corrector and
Alan Gee Mark II Telecompressor, brings a new level of quality and
photo-visual flexibility to Schmidt-Cassegrain users - and opens up
a new world of wide field BinoViewing!
Baader TurboFilm, serves as a precision transparent (clear)
optical window to seal telescopes and optical systems.. TurboFilm is
the highly transparent base material used for the renowned Baader
AstroSolar. This material has amazing optical quality, which
preserves the incoming wavefront. Great as a protective front
filter, or as an optical window for sealing open systems and reducing tube
currents (Cassegrains/Mewlons and Newtonians). Also useful in many
industrial and research applications.
Baader Micro Stage II Clickstop Digital Camera
Adapter, Our most
versatile Digital Camera Adapter - with a new Twist.
The camera may be pivoted away from the eyepiece at any time for framing
and focus, then returned to position with a 'Click'. Rigidly and
accurately attach any digital camera to any 1.25" - 2" eyepiece for
projection imaging. Outstanding Value and Convenience.
Even fits binoculars and spotting scopes.
OPFA System, an all-threaded adjustable modular afocal and eyepiece projection
adapter system for Digital Cameras and Webcams.
Digital T-Rings, wide selection of sizes that allow you to use many
popular digital cameras for afocal projection imaging.
HYPERION Digital T-Rings, wide selection of sizes that allow you to use many
popular digital cameras for afocal projection imaging.
Wide T-Ring System for Canon EOS,
Baader's highly optimized and oversized T-ring system for Canon EOS.
Allows installation of Baader 2" mounted and un-mounted filters
within the T-ring for complete protection of the camera sensor
optics. Largest possible clear aperture (47.3mm). Improved bayonet
fit & tolerancing to ensure zero image shift due to lateral play and
wobble inherent in standard T-rings. Versions available with
pre-mounted Clear/UV-IRCut/UHCS/H-a filters.
Multi-Purpose 10x60 Finder/Guider/Spotting scope. High optical
quality and extremely flexible/modular design.
Sky Surfer III, large aperture, clear window (high transmission)
and integral dewshield set this
affordable red-dot finder apart.
Sky Surfer V, rugged sealed all-metal red-dot finder. Now
with Black Finish and
Now Includes Baader's new Aluminum
Quick-Release Dovetail Mounting System!
Baader NexStar Bracket, Featured
in Sky & Telescope Feb 2003 New Products Showcase! Convert your NexStar
Orion StarSeeker mount into a
full-featured Go To Platform, perfect for any small telescope.
Modular Guidescope Rings, offer extreme rigidity and a host of
Baader Dovetail Bars, NEW!!
Engineered to be
Extremely Rigid, yet light. Mark III - 470mm (18.5") long,
adapting C8/9/11 and other large scopes onto Synta/Orion EQ
Mark IV for mounting onto Astrophysics Dove08 and Zeiss Mountings.
More info coming soon.
Eyepiece Adapters, Rings, Etc
(Baader ASTRO T-2 System™)
adapters added recently
Reducers, how about a precision .965" reducer with
1¼” filter threads? Or a multi-function
2" reducer with bronze clamp ring?
Eyepiece Holders, Nosepieces, quality accessories for standard
or 2" use. Non-Marr Clamping, precision machining and finish.
World's finest Clamping Eyepiece Holders (Click
System for both 2" and
T-2 Quick Changer, nifty dovetail coupling system.
Extension Tubes, rigid T-2 and M48 couplers for setting component spacing.
Baader VarLock Variable Length Extension Tubes.
Adapter Rings, adapt T-2 accessories to any scope.
Optical Wonder Fluid, outstanding Baader Planetarium lo-residue optical
cleaner. At last, get even stubborn multi-coated optics pristine.
Special ingredients prevent fungus and micro-organism growth!
Optical Wonder Cloth, Super-Microfiber cleaning cloth.
Conveniently cleans most residues from eyepieces, without a scratch, and
ideal when teamed with Optical Wonder Fluid. Superior to generic
camera store cloths.
Desiccant, silica gel beads, perfect for protecting your scope or
optical accessories from damaging moisture.
page last updated 03/27/15
Site Update 03/27/15