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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

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Baader Steeldrive II Metal Magnet Ring for Homing Sensor

Enables precise, repeatable homing for Steeldrive II motor focusers Alternative to the included magnet holder for Diamond Steeltrack focusers with...

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Baader Steeldrive II Mini DIN/RCA Adapter Cable to Connect Heating Strips

Connects Steeldrive II AUX Port to RCA/Cinch Dew Heaters Enables Integrated Dew Control via SteelGo Software Simplifies Cable Management for Imagi...

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Baader Steeldrive II Motor Focuser w/ Controller

Handles heavy imaging loads up to 8 kg Achieves a focusing resolution of 2.5µm Backlash-free toothed belt drive system Standalone controller with ...

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Baader Steeldrive II Temperature Sensor - 1m

Enables automatic temperature compensation for the Baader Steeldrive II Maintains critical focus during overnight temperature shifts Provides real...

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Baader Steeldrive II Temperature Sensor - 1m Flat

Precise Temperature Data: Enables automatic focus compensation with the Steeldrive II controller. Flat Cable Design: Allows for clean, snag-free...

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Baader Stop-Ring -1.25"

Sets a repeatable, precise focus position for any 1.25" accessory Ideal for parfocalizing a set of eyepieces Reduces time spent refocusing when sw...

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Baader Stronghold Additional set of EQ-clamp Brackets

Adds a Vixen-Style Mounting Point Designed for the Baader Stronghold Tangent Assembly Mounts to the Underside of the Stronghold Set of Two EQ-Clam...

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Baader T-2 Conversion Ring - 10mm T-2(F)/T-2(F)

10mm Fixed Extension Length T-2 Female to T-2 Female Threads Part of the Baader T-2 Astro System Joins Two Male T-2 Threaded Accessories Precision...

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Baader T-2 Delrin Spacer Ring Set - 15pc

Set of 15 Spacer Rings Includes 5 Different Thicknesses (0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm) 3 Rings of Each Size Enables Rotational "Clocking" of ...

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Baader T-2 Dustcap - M42x0.75(F)

Female M42x0.75 T-2 Thread Protects Male Threads from Dust and Debris Secures the Optical Path During Storage Compatible with All Standard Male T-...

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Baader T-2 Dustcap - M42x0.75(M)

Fits female T-2 (M42x0.75) threads Male (outer) thread design Protects optics and sensors from dust Prevents damage to delicate threads Descrip...

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Baader T-2 Extension Tube- 15mm

Adds a fixed 15mm of optical path length Standard T-2 (M42x0.75) male and female threads Precision-machined for accurate, repeatable spacing Matte...

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Baader T-2 Extension Tube- 40mm

Adds exactly 40mm of optical path length Standard T-2 (M42x0.75) male and female threads Provides rigid, non-flexing spacing for astrophotography ...

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Baader T-2 Extension Tube- 7.5mm

Adds 7.5mm of fixed optical path length Part of the modular Baader T-2 Astro System Standard T-2 (M42x0.75) internal and external threads Precisio...

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Baader T-2 Fine-Adjustment Aluminum Ring - 0.3/0.5/1mm

Precision T-2 thread shims for rotational alignment Available in 0.3mm, 0.5mm, and 1.0mm thicknesses Ultra-thin design minimizes impact on back fo...

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Baader T-2 Inverter Ring - T-2(M)/T-2(M)

Connects Two Female T-2 Threaded Accessories Provides a Male-to-Male T-2 Bridge Low-Profile Design Minimizes Added Length Part of the Baader Astro...

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Baader T-2 Locking Ring (2mm length)

Adds a precise 2mm of optical path length Enables full 360° rotational adjustment for cameras and accessories Locks components securely at any ori...

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Baader T-2 Locking Ring w/ Lever for MaxBright II

Creates a rigid, direct-thread connection for binoviewers Enables precise rotational adjustment and locking Features a repositionable lever for er...

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Baader T-2 Quick Change Ring

Enables rapid accessory changes without unthreading Part of the comprehensive Baader T-2 Astro-System Precision-machined for a secure, non-marring...

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Baader T-2 Quick Changer

Enables rapid accessory changes Secure locking mechanism Full integration with the Baader T-2 system Maintains optical alignment between swaps Red...

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Baader T-Adapter for SCT & Maks - 2" SCT(F) Thread/T-2(M)

Connects standard 2-inch SCT/MAK rear cells to T-2 accessories Short, compact profile minimizes consumption of precious back focus Enables the use...

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Baader T-Ring Canon EF (EOS) - T-2

Connects Canon EF (EOS) mount cameras to T-2 threads Enables prime-focus astrophotography Precision-machined for a secure, no-flex connection Inte...

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Baader T-Ring Canon EOS - UltraShort T-2

Ultra-Short Optical Path to Maximize Back Focus Connects Canon EOS Cameras to T-2 (M42x0.75) Threads Enables Focus with Reducers, Correctors, and ...

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Baader T-Ring Micro Four Thirds (4/3) - T-2 w/ 19mm Extension

Connects Micro Four Thirds (4/3) cameras to any T-2 threaded accessory Includes a 19mm T-2 extension tube for precise back focus spacing Enables s...

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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.