Dual-Band Nebular Filter 2" SV220 - SVBONY
Dual-Band Nebular Filter 2" SV220 - SVBONY
SKU: svbony-W9172B
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€161,00 EUR
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€161,00 EUR
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Capture images of nebulae with exceptional contrast thanks to the SVBONY SV220 2" Dual-Band filter. Specifically designed for astrophotography, this filter effectively reduces light pollution and enhances the contrast of gaseous, planetary, and supernova remnants, even in highly illuminated environments.
- Diameter: 2 inches
- Wavelength range: 300-1100 nm
- Maximum transmission: 500.7 nm (>90%), 656.3 nm (>94%)
- Full width at half maximum (FWHM): 7 nm (OIII and H-Alpha)
- Substrate thickness: 1.80 mm
- Clear aperture: 44 mm
- Thread: M48x0.75
- Surface quality: 60/40
- Surface parallelism: 1/4λ
- Net weight: 12.5 g
- Significant reduction of light pollution, including artificial sources such as sodium or mercury lamps.
- Notable increase in contrast between the nebula and the sky background for high-quality imaging.
- Optimized for visual observations and photography of gaseous, planetary, and supernova remnants.
- Compatible with highly light-polluted environments, including in the presence of moonlight.
- Compatible with SVBONY electronic cameras and astronomy cameras.
- Not recommended for telescopes with a focal ratio below F/5.
- 2" Dual-Band Nebula Filter
- Dust protection box
