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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 $76.00 USD - Original price $76.00 USD
Original price
$76.00 USD
$76.00 USD - $76.00 USD
Current price $76.00 USD

Baader Log-Pot Illuminator for MicroGuide and older Baader Finders

Variable brightness illuminator Logarithmic potentiometer for fine control at low brightness Designed for Baader MicroGuide eyepieces Compatible w...

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Original price $76.00 USD - Original price $76.00 USD
Original price
$76.00 USD
$76.00 USD - $76.00 USD
Current price $76.00 USD
Original price $306.16 USD
Original price $306.16 USD - Original price $306.16 USD
Original price $306.16 USD
Current price $209.94 USD
$209.94 USD - $209.94 USD
Current price $209.94 USD

Baader LRGB 31mm Unmounted Filter Set (OPEN BOX)

In perfect condition, open box Filter size 31 mm - round, unmounted - filter thickness 2 mm Set of L-R-G-B filters High-quality anti-reflective ...

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Original price $306.16 USD
Original price $306.16 USD - Original price $306.16 USD
Original price $306.16 USD
Current price $209.94 USD
$209.94 USD - $209.94 USD
Current price $209.94 USD
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Original price $391.00 USD - Original price $1,063.00 USD
Original price
$391.00 USD - $1,063.00 USD
$391.00 USD - $1,063.00 USD
Current price $391.00 USD

Baader LRGB Filter Set - CMOS-Optimized

Designed specifically to eliminate reflections and halos with modern CMOS sensors Balanced RGB transmission enables simplified 1:1:1 exposure rati...

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Original price $391.00 USD - Original price $1,063.00 USD
Original price
$391.00 USD - $1,063.00 USD
$391.00 USD - $1,063.00 USD
Current price $391.00 USD
Original price $38.00 USD - Original price $38.00 USD
Original price
$38.00 USD
$38.00 USD - $38.00 USD
Current price $38.00 USD

Baader M48 Extension Tube - 10mm

Adds 10mm of optical path length M48 x 0.75 female and male threads Ideal for full-frame sensors to prevent vignetting Features Baader's modern 3m...

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Original price $38.00 USD - Original price $38.00 USD
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$38.00 USD
$38.00 USD - $38.00 USD
Current price $38.00 USD
Original price $40.00 USD - Original price $40.00 USD
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$40.00 USD
$40.00 USD - $40.00 USD
Current price $40.00 USD

Baader M48 Extension Tube - 15mm

Adds exactly 15mm of optical path length M48 x 0.75 female and male threads Compatible with 2-inch filter systems Machined for modern, short back-...

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Original price $40.00 USD - Original price $40.00 USD
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$40.00 USD
$40.00 USD - $40.00 USD
Current price $40.00 USD
Original price $35.00 USD - Original price $35.00 USD
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$35.00 USD
$35.00 USD - $35.00 USD
Current price $35.00 USD

Baader M48 Extension Tube - 5mm

Adds a fixed 5mm of optical path length Standard M48 x 0.75 filter threads Essential for precise back focus adjustment Rigid, non-flexing aluminum...

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Original price $35.00 USD - Original price $35.00 USD
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$35.00 USD
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Current price $35.00 USD
Original price $44.00 USD - Original price $44.00 USD
Original price
$44.00 USD
$44.00 USD - $44.00 USD
Current price $44.00 USD

Baader M48 Extension Tube 30mm / 2" Nosepiece with Safety Kerfs

Adds exactly 30mm of optical path length Functions as a standard 2" nosepiece Connects M48x0.75 female threads to a 2" focuser Features Baader's p...

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Original price $44.00 USD - Original price $44.00 USD
Original price
$44.00 USD
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Current price $44.00 USD
Original price $49.00 USD - Original price $49.00 USD
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$49.00 USD
$49.00 USD - $49.00 USD
Current price $49.00 USD

Baader M48 Extension Tube 40mm / 2" Nosepiece with Safety Kerfs

Adds a fixed 40mm of optical path length Functions as both an M48 extension tube and a 2" nosepiece Features M48 x 0.75 female and male threads fo...

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Original price $49.00 USD - Original price $49.00 USD
Original price
$49.00 USD
$49.00 USD - $49.00 USD
Current price $49.00 USD
Original price $10.00 USD - Original price $30.00 USD
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$10.00 USD - $30.00 USD
Current price $10.00 USD

Baader M48 Fine-Adjustment Aluminum Ring - 0.3/0.5/1mm

Precisely control rotational alignment and spacing Available in 0.3mm, 0.5mm, and 1.0mm thicknesses Fits between M48 x 0.75 (2-inch filter) thread...

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Original price $10.00 USD - Original price $30.00 USD
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$10.00 USD - $30.00 USD
Current price $10.00 USD
Original price $31.00 USD - Original price $31.00 USD
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$31.00 USD
$31.00 USD - $31.00 USD
Current price $31.00 USD

Baader M48 Spacer Ring for MPCC III / Protective EOS T-Ring

Connects the Baader MPCC Mark III to the Baader Protective EOS T-Ring Establishes the critical 55mm back focus distance for coma correction Featur...

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Original price $31.00 USD - Original price $31.00 USD
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$31.00 USD
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Current price $31.00 USD
Original price $68.00 USD - Original price $68.00 USD
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$68.00 USD
$68.00 USD - $68.00 USD
Current price $68.00 USD

Baader M54x0.75 Inverter Ring

Converts female M54x0.75 threads to male M54x0.75 threads Enables connection between two components with female M54 ports Part of the Baader Plane...

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Original price $68.00 USD - Original price $68.00 USD
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$68.00 USD
$68.00 USD - $68.00 USD
Current price $68.00 USD
Original price $77.00 USD - Original price $77.00 USD
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$77.00 USD
$77.00 USD - $77.00 USD
Current price $77.00 USD

Baader M55/M68 Adapter for 2" Baader Mirrors & Prisms

Converts Baader 2" diagonals to a rigid M68 threaded connection Attaches to the M55 female thread on the diagonal body Provides a standard M68 x 1...

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Original price $77.00 USD - Original price $77.00 USD
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$77.00 USD
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Current price $77.00 USD
Original price $145.00 USD - Original price $145.00 USD
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$145.00 USD
$145.00 USD - $145.00 USD
Current price $145.00 USD

Baader M68 Extension Tube - 100mm

Provides a fixed 100mm extension length Connects via the robust M68 thread standard Eliminates tilt and flexure common in heavy imaging trains Fun...

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Original price $145.00 USD - Original price $145.00 USD
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$145.00 USD
$145.00 USD - $145.00 USD
Current price $145.00 USD
Original price $89.00 USD - Original price $89.00 USD
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$89.00 USD
$89.00 USD - $89.00 USD
Current price $89.00 USD

Baader M68 Extension Tube - 10mm

Adds 10mm of fixed extension Connects via the M68 x 1 thread standard Provides a rigid, non-flexing connection for heavy cameras Integral part of ...

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Original price $89.00 USD - Original price $89.00 USD
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$89.00 USD
$89.00 USD - $89.00 USD
Current price $89.00 USD
Original price $81.00 USD - Original price $81.00 USD
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$81.00 USD
$81.00 USD - $81.00 USD
Current price $81.00 USD

Baader M68 Extension Tube - 20mm

Adds a fixed 20mm of back focus Features large M68 x 1 threads for rigid, no-flex connections Integral part of the Baader M68 Tele-Compendium syst...

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Original price $81.00 USD - Original price $81.00 USD
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$81.00 USD
$81.00 USD - $81.00 USD
Current price $81.00 USD
Original price $102.00 USD - Original price $102.00 USD
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$102.00 USD
$102.00 USD - $102.00 USD
Current price $102.00 USD

Baader M68 Extension Tube - 40mm

40mm Fixed Extension Length M68 x 1mm Male and Female Threads Provides Rigid, Flexure-Free Spacing Component of the Baader M68 Tele-Compendium Sys...

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Original price $102.00 USD - Original price $102.00 USD
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$102.00 USD
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Current price $102.00 USD
Original price $111.00 USD - Original price $111.00 USD
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$111.00 USD
$111.00 USD - $111.00 USD
Current price $111.00 USD

Baader M68 Extension Tube - 60mm

Adds a fixed length of spacing to M68 systems M68 female and male threads for a secure, non-flexing connection Matte black interior surfaces reduc...

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Original price $111.00 USD - Original price $111.00 USD
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$111.00 USD
$111.00 USD - $111.00 USD
Current price $111.00 USD
Original price $76.00 USD - Original price $76.00 USD
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$76.00 USD
$76.00 USD - $76.00 USD
Current price $76.00 USD

Baader M68 Extension Tube - 7.5mm

Provides 7.5mm of fixed extension M68 x 1mm female and male threads Maintains a large, unvignetted clear aperture Precision machined for accurate ...

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Original price $76.00 USD - Original price $76.00 USD
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$76.00 USD
$76.00 USD - $76.00 USD
Current price $76.00 USD
Original price $146.00 USD - Original price $146.00 USD
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$146.00 USD
$146.00 USD - $146.00 USD
Current price $146.00 USD

Baader M68 Extension Tube - 80mm

Adds 80mm of fixed extension M68 x 1mm threads on both ends Prevents optical train flexure and tilt Precision-machined for rigid connections Matte...

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Original price $146.00 USD - Original price $146.00 USD
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$146.00 USD
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Current price $146.00 USD
Original price $929.00 USD - Original price $929.00 USD
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$929.00 USD
$929.00 USD - $929.00 USD
Current price $929.00 USD

Baader M68 Field Flattener

Corrects field curvature for astrophotography Designed for Baader APO 95/560 Travel Companion Features large M68 threads for a secure, wide-apert...

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Original price $929.00 USD - Original price $929.00 USD
Original price
$929.00 USD
$929.00 USD - $929.00 USD
Current price $929.00 USD
Original price $14.00 USD - Original price $15.50 USD
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$14.00 USD - $15.50 USD
$14.00 USD - $15.50 USD
Current price $14.00 USD

Baader M68 Fine-Adjustment Aluminum Ring - 0.3/0.5/1mm

Precisely adjusts M68 back focus Available in 0.3mm, 0.5mm, and 1mm thicknesses Enables fine rotational adjustment of cameras and accessories Thin...

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Original price $14.00 USD - Original price $15.50 USD
Original price
$14.00 USD - $15.50 USD
$14.00 USD - $15.50 USD
Current price $14.00 USD
Original price $559.00 USD - Original price $559.00 USD
Original price
$559.00 USD
$559.00 USD - $559.00 USD
Current price $559.00 USD

Baader M68 Tele-Compendium

Establishes a rigid, non-flexing M68 threaded connection Functions as a variable-length stray light shield (compendium) Adapts T-2 thread accessor...

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Original price $559.00 USD - Original price $559.00 USD
Original price
$559.00 USD
$559.00 USD - $559.00 USD
Current price $559.00 USD
Original price $13.50 USD - Original price $13.50 USD
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$13.50 USD
$13.50 USD - $13.50 USD
Current price $13.50 USD

Baader Machine-Grease #2 Teflon-White - from -25°C to +40°C

Teflon-infused white machine grease Operating Temperature Range: -25°C to +40°C Reduces stiction in mechanical components Ideal for telescope moun...

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Original price $13.50 USD - Original price $13.50 USD
Original price
$13.50 USD
$13.50 USD - $13.50 USD
Current price $13.50 USD
Original price $55.00 USD - Original price $55.00 USD
Original price
$55.00 USD
$55.00 USD - $55.00 USD
Current price $55.00 USD

Baader Machine-Grease #4 Ultra-Range - from -50°C to +60°C

Ultra-Wide Temperature Range: -50°C to +60°C Zero Outgassing Formula: Safe for use near sealed optics. Permanent Viscosity: Will not harden, dry o...

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Original price $55.00 USD - Original price $55.00 USD
Original price
$55.00 USD
$55.00 USD - $55.00 USD
Current price $55.00 USD

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.