Astrophotographie

3.5 / 4nm Ultra-Narrow H-alpha, O-III & S-II Bandpasses Pre-Shifted for Fast f/3 "Ultra-Highspeed" Optical Systems CMOS-Optimized with Anti-Re...

Designed for the Celestron RASA 8" Astrograph Enables filter use in a fast f/2 optical system Maintains the RASA's critical back focus distance Co...

Set of 4 individual filter holders Designed for the Baader FCCT system Available for unmounted 31mm, 36mm (2mm thick) or 2-inch (Ø 47.4 mm) filter...

Designed for the Baader FCCT System Available for unmounted 31mm, 36mm and 2" (Ø 47.4mm) filters Integrated Neodymium magnets for secure, repeatab...

H-alpha Bandpass Filter in 1.25" & 2" Sizes 20nm FWHM Bandwidth 656.3nm Center Wavelength Optimized for Color CMOS/CCD Cameras High-Contrast f...

Engineered for ultra-fast f/2 optical systems 6.5nm H-alpha bandpass for high-contrast imaging CMOS-optimized to suppress halos and internal refle...

Engineered for f/2 ultra-highspeed optical systems 3.5nm bandpass for maximum H-alpha contrast CMOS-optimized with anti-reflection coatings Availa...

3.5nm H-alpha Bandpass Optimized for f/3 Ultra-High-Speed Systems Available in 1.25" & 2" mounted, 31mm, 36mm & 50.4mm round unmounted, an...

3.5nm Ultra-Narrow Bandpass Available in 1.25" & 2" mounted, 31mm, 36mm & 50.4mm round unmounted, and 50x50mm & 65x65mm square sizes C...

Isolates Hydrogen-Beta (H-Beta) Emission Line 5.5nm FWHM Narrowband Passband Available in 1.25" & 2" Mounted, 31/36/50.4mm Round Unmounted and...

6.5nm FWHM Bandpass for O-III Optimized for f/2 to f/3.5 High-Speed Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm, 47.4mm (FCCT)...

4nm FWHM Bandpass Optimized for f/2 Ultra-Highspeed Systems Available in 1.25" & 2" Mounted, 31mm, 36mm, 47.4mm (FCCT) & 50.4mm Round Unmo...

4nm FWHM Ultra-Narrow Bandpass Optimized for f/3 and Faster Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm & 50.4mm Round Unm...

9nm O-III Narrowband Passband Functions as a "Super-G" Green Filter Replacement CMOS-Optimized Coatings for High Contrast Reduces Impact of Atmosp...

Available in 1.25" & 2" Mounted, Round Unmounted and Square Sizes Blue (B) Channel for LRGB Imaging Optimized for Modern CMOS Sensors Designed...

Set of three Red, Green, and Blue (RGB) filters Optimized for modern CMOS sensors to eliminate reflections Available in 1.25" & 2" mounted, 31...

Green (G) Component for LRGB Color Imaging Available in 1.25" & 2" Mounted, Round Unmounted and Square Sizes Optimized for Modern CMOS Sensors...

Red (R) filter for LRGB astrophotography Available in 1.25" & 2" mounted, round unmounted and square sizes Optimized for modern CMOS sensors H...

6.5nm Sulfur-II Narrowband Filter Optimized for f/2 High-Speed Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm, 50.4mm & 2" FC...

4nm FWHM Bandpass for Sulfur-II (S-II) Engineered for f/2 Ultra-Highspeed Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm, 50.4mm ...

4nm Bandwidth (FWHM) Pre-Shifted for Fast f/3 Optical Systems Available in 1.25" & 2" Mounted, 31mm, 36mm & 50.4mm Unmounted Round, and 50...

4nm Full-Width Half-Maximum (FWHM) Bandpass Optimized for Modern CMOS Sensors Available in 1.25" (M28.5 x 0.6) & 2" Mounted, 31mm, 36mm & ...

STL files for 3D printing Designed for the Baader UFC System Creates a light-tight dark slide Essential for dark frame calibration Free download w...

Free to download STL files for 3D printing Designed for the Baader Planetarium UFC System Protects filter sliders from dust and damage Licensed un...