Products

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

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

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

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

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

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/3.4 High-Speed Optical Syste...

6.5nm Narrowband Filter Set for H-alpha, O-III, and S-II Optimized specifically for modern CMOS astronomy cameras Reflex-Blocker™ coatings prevent...

6.5nm FWHM Bandpass Optimized for Modern CMOS Sensors Reflex-Blocker™ Hard Coatings Available in 7 Formats (Mounted and Unmounted) Plane-Parallel ...

6.5nm FWHM Bandpass Optimized for Modern CMOS Sensors Suppresses Halos and Internal Reflections High-Contrast for Sulfur-II Emission Nebulae Avail...

Provides a fully corrected, non-reversed and non-inverted image Comfortable 90° viewing angle 44 mm clear aperture Sealed BBHS® hard-silver coatin...

Provides erect, non-reversed images at a 90° viewing angle 31 mm clear aperture Baader BBHS® silver and Phantom Group® anti-reflection coatings 47...

Provides a fully erect, non-reversed image 90° viewing angle for comfortable observing 2" barrel for use with large focusers Includes a 2" to 1.25...

90° comfortable viewing angle Large 32mm prism for full field illumination Baader T-2 thread system for modular connections Excellent for use with...

90° Zenith Prism Diagonal Oversized 32mm Prism 1.25" Barrel Format Baader T-2 System Threads Includes 1.25" Eyepiece Holder & Nosepiece Des...

Designed for Canon EOS 300D DSLR Astro-Conversion Dramatically Improved Spectral Transmission for Astrophotography Unlocks Critical Hydrogen-Alpha...

Designed for Canon EOS 350D, 10D, 20D, and 30D DSLRs Improves Spectral Transmission for Astrophotography Unlocks Sensitivity to Hydrogen-Alpha (Hα...

Adapts 1.25" (1¼") focusers to accept 0.965" (24.5mm) eyepieces Brings classic and vintage eyepieces into use with modern telescopes Precision-mac...

Reduces a 2" focuser to accept 1.25" accessories Features an external male T-2 thread for direct camera attachment Strong grip with 2 screws and a...

Connects Celestron C90/NexStar 4 and Meade ETX telescopes to 2" accessories Enables the use of 2" diagonals for wider true fields of view Accepts ...

Connects 2" SCT Male Threads to T-2 (M42x0.75) Male Threads Features Internal Threads for Standard 2" Mounted Filters Integrates Filtration Direct...

Connects FLI Dovetail Mounts to M68x1 Threads Provides a Male (External) M68x1 Thread Enables Integration with Baader M68 Accessories Precision-Ma...