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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

Original price CA$47.00 - Original price CA$47.00
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Baader 3" 60mm Losmandy Rider Clamp

BAA-2451575

Fits standard 3-inch Losmandy D-style dovetail bars Provides a 60mm wide mounting platform Securely holds heavy accessories like guide scopes and ...

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Original price CA$47.00 - Original price CA$47.00
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Original price CA$117.00 - Original price CA$117.00
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Baader Complete T-2 Changer System

BAA-2456321
2 in stock

Enables rapid swapping of T-2 threaded accessories Maintains precise rotational alignment between changes Secure locking mechanism prevents tilt a...

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Original price CA$117.00 - Original price CA$117.00
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Original price CA$503.00 - Original price CA$503.00
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Baader Stronghold Tangent Mount Assembly - Black

BAA-2450310S

Precision tangent arm assembly for fine pointing adjustments Designed for securely mounting finders, guidescopes, and telephoto lenses Engineered ...

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Original price CA$503.00 - Original price CA$503.00
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Original price CA$46.00 - Original price CA$46.00
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Baader Ultrashort Clamp - 1.25"/T-2

BAA-2458121
1 in stock

Connects 1.25" accessories to T-2 threads Ultrashort design minimizes optical path length Ideal for complex imaging trains with limited back focus...

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Original price CA$46.00 - Original price CA$46.00
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Original price CA$132.00 - Original price CA$132.00
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Baader Ultrashort Eyepiece Clamp - 2"/M68x1(M)/M60x0.75(M)

BAA-2458196

Securely holds 2" eyepieces and accessories Ultra-low profile design minimizes backfocus consumption Features male M68x1 Zeiss-system threads on b...

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Original price CA$132.00 - Original price CA$132.00
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Original price CA$57.00 - Original price CA$57.00
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Baader 1" C-Mount Adapter w/ 1.25" Nosepiece - 18mm Long

BAA-2958515

Connects C-Mount (1") cameras to 1.25" focusers Adds a fixed 18mm of optical length Internal threads accept standard 1.25" mounted filters Include...

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Original price CA$57.00 - Original price CA$57.00
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Original price CA$133.00 - Original price CA$133.00
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Baader 2" Four-in-One Clamp Adapter M68 (Zeiss)/2.7" (A.P.)/M60 (Vixen)/M56 (Synta)

BAA-2458190
1 in stock

Adapts four major large-format focusers to a 2" clamp Female threads: M68 (Zeiss), 2.7" (Astro-Physics) Female threads: M60 (Vixen), M56 (Synta/Sk...

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Original price CA$133.00 - Original price CA$133.00
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Original price CA$70.00 - Original price CA$70.00
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Baader 2" Locking Ring for SCTs 8"/9.25"/11"/14"

BAA-2458270
1 in stock

Direct-threads to the rear cell of Schmidt-Cassegrain telescopes Compatible with 8", 9.25", 11", and 14" SCT models Designed for Baader 2" zenith ...

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Original price CA$70.00 - Original price CA$70.00
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Original price CA$317.00 - Original price CA$317.00
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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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Original price CA$317.00 - Original price CA$317.00
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Original price CA$66.00 - Original price CA$66.00
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Baader 2" Nosepiece to T-2/M48a – with Safety-Kerf

BAA-2458130
1 in stock

Connects T-2 and M48 accessories to a standard 2-inch focuser Features a modern, shallow T-2 thread depth for new cameras Dual male threads: T-2 (...

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Original price CA$66.00 - Original price CA$66.00
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Original price CA$322.00 - Original price CA$322.00
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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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Original price CA$322.00 - Original price CA$322.00
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Original price CA$44.00 - Original price CA$44.00
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Baader 2"/2" Inverter Ring

BAA-2958243
1 in stock

2-inch Female Thread (Both Sides) Couples Accessories with Male 2-inch Threads Solves Incompatible Gender Connections Ensures a Rigid, Threaded Li...

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Original price CA$44.00 - Original price CA$44.00
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Original price CA$46.00 - Original price CA$46.00
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Baader 2"/2" Inverter Ring w/ 48mm Filter Thread

BAA-1508020
1 in stock

Creates a direct 2" male thread connection on Baader diagonals Replaces the standard 2" ClickLock eyepiece clamp Solves critical backfocus/in-trav...

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Original price CA$46.00 - Original price CA$46.00
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Original price CA$81.00 - Original price CA$81.00
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Baader 2.25x Q-Barlow - 1.25"

BAA-2956185

Provides 2.25x magnification in its standard 1.25" housing Lens element unscrews for ~1.3x magnification when threaded directly into an eyepiece F...

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Original price CA$81.00 - Original price CA$81.00
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Original price CA$332.00 - Original price CA$332.00
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Baader 2x VIP Modular Barlow - 1.25"

BAA-2406101

Modular 2x Barlow Design 1.25" Barrel and Filter Thread Compatibility Integrated T-2 Threads for Imaging Designed for Full-Frame Sensor Illuminati...

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Original price CA$332.00 - Original price CA$332.00
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Original price CA$1,151.00 - Original price CA$2,607.00
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Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Options available

3.5nm (H-alpha, S-II) and 4nm (O-III) Bandpasses Optimized for f/2 Ultra-Highspeed Optical Systems CMOS-Optimized with Reflex-Blocker™ Coatings Pr...

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Original price CA$1,151.00 - Original price CA$2,607.00
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Original price CA$1,126.00 - Original price CA$2,451.00
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Baader 3.5nm / 4nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

Options available
2 variants in stock

3-Filter Set: H-alpha (3.5nm), O-III (4nm), S-II (3.5nm) Ultra-Narrow Bandpasses for Maximum Image Contrast CMOS-Optimized to Eliminate Halos and ...

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Original price CA$1,126.00 - Original price CA$2,451.00
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Original price CA$18.00 - Original price CA$18.00
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Baader 3D-Printed Ring-Wrench for Pan EQ Clamps

BAA-2450071

Purpose-built for Baader Pan EQ clamps and the Stronghold Tangent Assembly Provides increased leverage for easy and secure tightening of clamping ...

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Original price CA$18.00 - Original price CA$18.00
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Original price CA$123.00 - Original price CA$123.00
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Baader 45° Amici Prism Diagonal w/ 24mm Clear Aperture - 1.25"

BAA-2956150

Provides a correctly oriented, erect image for terrestrial viewing Comfortable 45° viewing angle Full 24mm clear aperture prevents vignetting with...

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Original price CA$123.00 - Original price CA$123.00
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Original price CA$348.00 - Original price CA$348.00
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Baader 45° Amici Prism Diagonal 45° - 2" SCT Thread

BAA-2956151

Provides a fully corrected, upright, and non-reversed image Comfortable 45° viewing angle for terrestrial observation Attaches directly to 2" SCT ...

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Original price CA$348.00 - Original price CA$348.00
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Original price CA$388.00
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Current price CA$199.00
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Current price CA$199.00

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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Original price CA$388.00
Original price CA$388.00 - Original price CA$388.00
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Current price CA$199.00
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Original price CA$382.00 - Original price CA$822.00
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Baader 4nm Ultra-Narrowband OIII Filter - CMOS-Optimized

Options available
2 variants in stock

4nm Ultra-Narrowband OIII Bandpass Optimized for Modern CMOS Sensors Reflex-Blocker™ Hard Coatings to Prevent Halos Life-Coat™ Technology for Extr...

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Original price CA$382.00 - Original price CA$822.00
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Original price CA$265.00
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Current price CA$149.00
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Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

BAA-2961100-36-OPENBOX
Only 1 left!

Isolates the 656.3nm H-alpha emission line 6.5nm bandpass for high-contrast imaging 36mm unmounted format for filter wheels CMOS-optimized to supp...

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Original price CA$265.00
Original price CA$265.00 - Original price CA$265.00
Original price CA$265.00
Current price CA$149.00
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Original price CA$656.00 - Original price CA$1,611.00
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CA$656.00 - CA$1,611.00
Current price CA$656.00

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

Options available
1 variants in stock

Set of 3 Narrowband Filters: H-alpha, O-III, and S-II 6.5nm Bandpass for high-contrast imaging Optimized for f/2 to f/3.5 High-Speed Optical Syste...

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Original price CA$656.00 - Original price CA$1,611.00
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CA$656.00 - CA$1,611.00
CA$656.00 - CA$1,611.00
Current price CA$656.00

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.