Baader Filters

Blocks unwanted UV and IR wavelengths for sharper stars Optimized for modern CMOS sensors to prevent star bloat Serves as a high-transmission Lumi...

Four Neutral Density Options: ND 0.6, ND 0.9, ND 1.8, and ND 3.0 Two Standard Sizes: 1.25" and 2" round mounted cells Coatings: Baader Planetarium...

Enhances lunar and planetary contrast with a Neodymium glass substrate Suppresses skyglow from artificial lighting without aggressive color shifti...

685nm Infrared (IR) Pass Filter Transmits deep-red light starting from 670nm Dramatically reduces the image-blurring effects of atmospheric seeing...

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

Bessel V-Band Standard: Precisely conforms to the internationally recognized Johnson-Cousins-Bessel V-band for consistent, scientific-grade magni...

Replaces stock DSLR filter to dramatically increase H-alpha sensitivity Enables detailed imaging of emission nebulae Designed for a wide range of ...

Available in 1.25" and 2" Barrel Sizes Essential for Brightness Control with a Herschel Wedge Enhances Contrast on Planetary and Lunar Targets Sta...

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

Reduces chromatic aberration in achromatic refractors Enhances contrast on the Moon, planets, and bright stars Improves star sharpness by tighteni...

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...

Targets modern LED and broadband light pollution Optimized blue transmission to reject artificial skyglow Serves as a "pre-filter" for finding obj...

Enables precise focusing for dim narrowband filters Perfectly parfocal with other Baader Planetarium filters Optically polished to ensure no image...

Conforms to the standardized Johnson-Cousins/Bessel B-band passband Designed for research-grade scientific photometry Advanced anti-reflection and...

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...

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 ...

Enhances contrast for lunar and planetary observing Significantly darkens skyglow background Reveals subtle details in Jupiter's cloud belts and M...

Standardized UBVRI Bessel passbands for scientific photometry Enables measurement of variable stars, asteroids, and exoplanet transits Precision p...

Continuously variable brightness adjustment Available in 1.25" and 2" barrel sizes Reduces glare on the Moon and bright planets Single-unit, doubl...

Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8 IR-blocked NO halos, NO reflections, NO ghosting Non-aging ...

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

Conforms to the Johnson-Cousins-Bessel R-Band Photometric Standard Engineered for Scientific Photometry and Data Collection Plane-Parallel Substra...

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