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Baader Planetarium

Baader Planetarium

Baader Planetarium is renowned for engineering high-quality astronomical optics, filters, and adapters. From narrowband and broadband imaging filters to premium eyepieces and a comprehensive selection of adapters, Baader products are designed for optical precision, flexibility, and consistent performance. At David Astro, we provide expert guidance to integrate Baader components into your imaging train or visual setup, ensuring reliable, high-quality results.

Filters

$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00

Baader 3" 60mm Losmandy Rider Clamp

BAA-2451575

3 inches for Losmandy / 3" dovetails with additional matching holes and screws for mounting the Baader Stronghold Width: 60mm for V or Z terminal ...

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$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Baader Complete T-2 Changer System

BAA-2456321

The T-2 change system enables fast switching between z. B. Mark V Binocular and ClickLock eyepiece, effective height only 15mm Optical path length...

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$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00
$429.00 - $429.00
$429.00
$429.00 - $429.00
$429.00

Baader Stronghold Tangent Mount Assembly - Black

BAA-2450310S

Combo of M44 male and T-2 male threads T-2 (M42 x 0.75) thread To connect T-2 accessories / cameras / T rings to Zeiss telescopes Optical path len...

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$429.00 - $429.00
$429.00
$429.00 - $429.00
$429.00
$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00

Baader Ultrashort Clamp - 1.25"/T-2

BAA-2458121
1 in stock

Ultra short 1¼" eyepiece-clamp (w. brass locking ring) Optical length: 20mm Optimized for guiding camera, w. three set screws for utmost stability...

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$49.00 - $49.00
$49.00
$49.00 - $49.00
$49.00
$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00

Baader Ultrashort Eyepiece Clamp - 2"/M68x1(M)/M60x0.75(M)

BAA-2458196

Baader Ultrashort 2" eyepiece clampBaader Ultrashort 2" eyepiece clamp (12 mm backfocus) to mount onto the Carl Zeiss M68 System thread. Both sides...

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$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00
$62.00 - $62.00
$62.00
$62.00 - $62.00
$62.00

Baader 1" C-Mount Adapter w/ 1.25" Nosepiece - 18mm Long

BAA-2958515

1¼" nosepiece with 1" (25.4mm) C-mount 18mm insertion length (with integrated 1¼ "filter mount - M28.5) also incl. Retainer-Ring to permanently h...

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$62.00 - $62.00
$62.00
$62.00 - $62.00
$62.00
$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00

Baader 2" Four-in-One Clamp Adapter M68 (Zeiss)/2.7" (A.P.)/M60 (Vixen)/M56 (Synta)

BAA-2458190
1 in stock

2" Clamping Eyepiece Holder with internal non-marring bronze clamp ring and dual large thumbscrews. Fits all Zeiss instruments with 68mm thread (w...

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$139.00 - $139.00
$139.00
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$139.00
$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00

Baader 2" Locking Ring for SCTs 8"/9.25"/11"/14"

BAA-2458270
1 in stock

Allows direct connection of Baader 2" Zenith Prisms and mirrors to Schmidt-Cassegrain telescopes. For Celestron SCTs 8/9.25/11/14 with female 2" t...

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$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00
$289.00 - $289.00
$289.00
$289.00 - $289.00
$289.00

Baader 2" Newton 1.7X Glasspath and Coma Corrector

BAA-2456301

2" Glasspathcorrector®Factor 1.7 for Newtons - at full aperture with integrated Coma-Corrector. Includes T-2 change ring (#2456320) for adaptation...

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$289.00 - $289.00
$289.00
$289.00 - $289.00
$289.00
$55.00 - $55.00
$55.00
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$55.00

Baader 2" Nosepiece to T-2/M48a – with Safety-Kerf

BAA-2458130
2 in stock

Nosepiece with Baader proprietory Safety Kerfs grooves so that even the heaviest accessories cannot fall to the ground Equipped with only 3 mm lon...

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$55.00 - $55.00
$55.00
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$230.00 - $230.00
$230.00
$230.00 - $230.00
$230.00

Baader 2" Refractor/SCT 1.8X Glasspath Corrector

BAA-2456305

2" Glasspathcorrector®Factor 1.8 for Refractors and Schmidt Cassegrains - at full aperture. Suitable to insert into the Baader Maxbright and Mark ...

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$230.00 - $230.00
$230.00
$230.00 - $230.00
$230.00
$43.00 - $43.00
$43.00
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$43.00

Baader 2"/2" Inverter Ring

BAA-2958243
1 in stock

Reverses 2" (50,8mm) male into 2" female SC-thread allows shortest possible rigid connection onto 2" SC-threads necessary to connet the Research G...

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$43.00 - $43.00
$43.00
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$48.00 - $48.00
$48.00
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$48.00

Baader 2"/2" Inverter Ring w/ 48mm Filter Thread

BAA-1508020
1 in stock

Converts 2" female into 2" male thread Internal M48 Filter thread for 2" filter Can be used to connect Baader Hyperion Mark III Zoom directly to a...

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$48.00 - $48.00
$48.00
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$48.00
$81.00 - $81.00
$81.00
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$81.00

Baader 2.25x Q-Barlow - 1.25"

BAA-2956185

Baader Planetarium Q-Barlow 2.25x / 1.3xThis high-quality 2.25x Barlow made of exotic glasses provides the rare extension factor of 2.25x. So, ther...

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$81.00 - $81.00
$81.00
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$81.00
$266.00 - $266.00
$266.00
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$266.00

Baader 2x VIP Modular Barlow - 1.25"

BAA-2406101
1 in stock

The Baader Planetarium VIP Modular Barlow is a complete high quality 2X photo-visual barlow system. The VIP (VIsual and Photographic) barlow is ing...

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$266.00 - $266.00
$266.00
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$266.00
$946.00 - $2,105.00
$946.00 - $2,105.00
$946.00 - $2,105.00
$946.00

Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Options available

f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

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$946.00 - $2,105.00
$946.00 - $2,105.00
$946.00 - $2,105.00
$946.00
$929.00 - $1,982.00
$929.00 - $1,982.00
$929.00 - $1,982.00
$929.00

Baader 3.5nm / 4nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Options available

Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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$929.00 - $1,982.00
$929.00 - $1,982.00
$929.00 - $1,982.00
$929.00
$17.00 - $17.00
$17.00
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$17.00

Baader 3D-Printed Ring-Wrench for Pan EQ Clamps

BAA-2450071

3D-printed ring-wrench for Baader clamping knobs Suitable for all current Baader Clamps with 20mm knurled knobs: Pan-EQ-Clamp 190mm #2451525 Pan-E...

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$17.00 - $17.00
$17.00
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$17.00
$104.00 - $104.00
$104.00
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$104.00

Baader 45° Amici Prism Diagonal w/ 24mm Clear Aperture - 1.25"

BAA-2956150
1 in stock

Much larger prism than other so-called "Erecting prisms" Many Erect image prisms have only 19 mm free passage opening and therefore are not suitab...

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$104.00 - $104.00
$104.00
$104.00 - $104.00
$104.00
$268.00 - $268.00
$268.00
$268.00 - $268.00
$268.00

Baader 45° Amici Prism Diagonal 45° - 2" SCT Thread

BAA-2956151

2" SC-thread and 2"/1¼"-reducer Direct attachment to Schmidt-Cassegrains Correct image orientation Excellent for terrestrial viewing

$268.00 - $268.00
$268.00
$268.00 - $268.00
$268.00
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$283.00
$283.00 - $283.00
$283.00
$212.00
$212.00 - $212.00
$212.00

Baader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)

BAA-2961400-125-USED
Only 1 left!

In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...

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$283.00
$283.00 - $283.00
$283.00
$212.00
$212.00 - $212.00
$212.00
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$320.00 - $692.00
$320.00 - $692.00
$320.00 - $692.00
$320.00

Baader 4nm Ultra-Narrowband OIII Filter - CMOS-Optimized

Options available
1 variants in stock

Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

View full details
$320.00 - $692.00
$320.00 - $692.00
$320.00 - $692.00
$320.00
Save 25% Save %
$193.00
$193.00 - $193.00
$193.00
$144.00
$144.00 - $144.00
$144.00

Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

BAA-2961100-36-OPENBOX
Only 1 left!

In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...

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$193.00
$193.00 - $193.00
$193.00
$144.00
$144.00 - $144.00
$144.00
Save 25% Save %
$548.00 - $1,310.00
$548.00 - $1,310.00
$548.00 - $1,310.00
$548.00

Baader 6.5nm f/2 Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Options available
1 variants in stock

f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

View full details
$548.00 - $1,310.00
$548.00 - $1,310.00
$548.00 - $1,310.00
$548.00

Advanced Imaging Filters

Baader’s filters deliver high transmission with minimal optical distortion, suitable for both CCD/CMOS imaging and visual observation.

  • Narrowband Filters: Hα, OIII, SII for deep-sky emission line imaging.
  • Broadband LRGB Filters: Balanced transmission and accurate color reproduction.
  • Specialty Filters: Solar continuum, Calcium-K, and planetary enhancement filters.
  • Filter Drawers & Adapters: Designed for parfocality and minimal vignetting in complex imaging trains.

Adapters: The Most Comprehensive Selection

One of Baader’s standout strengths is their extensive range of adapters. With an unmatched selection of extension tubes, T-threads, spacers, and custom couplers, Baader allows precise integration of cameras, filter drawer, focusers, and optical accessories. This flexibility ensures:

  • Proper backfocus spacing for each camera and telescope combination.
  • Secure, stable connections between multiple optical components.
  • Parfocal alignment across filters and imaging devices.
  • Support for custom configurations and complex imaging trains.

Eyepieces and Visual Accessories

Baader also produces premium eyepieces and visual accessories that complement imaging setups:

  • Eyepieces: Wide-field and high-contrast designs for deep-sky and planetary observation.
  • Barlows & Focal Extenders: High-quality optics to increase effective focal length.
  • Diagonal Mirrors & Prisms: Minimal light loss with superior color fidelity.

Why Choose David Astro for Baader Planetarium

Selecting Baader components, especially adapters, requires understanding your optical train and backfocus requirements. David Astro provides:

  • Full Product Access: Baader optics, filters, and the widest range of adapters available.
  • Technical Guidance: Expert advice on filter selection, spacing, and system integration.
  • Hands-On Support: Practical tips from astrophotographers experienced with Baader products.
  • Fast Shipping: Reliable delivery across Canada, the USA, and worldwide.

We ensure your Baader equipment, including complex adapter setups, is configured for optimal imaging and observation performance.