Svbony SV227 5nm Narrowband 2" Filters (Choose Band: H-Alpha, OIII, or SII)

The Svbony SV227 5nm Narrowband 2" Filters are essential for astrophotographers seeking to enhance contrast and detail in nebula observation, even under light-polluted skies. Designed with precision and quality, these filters block unwanted light pollution and infrared wavelengths, allowing only the desired narrowband light to pass through.

Key Features:

• High Contrast and Detail: Blocks contrast-killing light pollution wavelengths, significantly enhancing the visibility of nebulae structures.
• 5nm Bandwidth: Allows specific wavelengths to pass through, delivering optimal performance for nebula and emission line imaging.
  • H-Alpha Filter: Passes light at 656.3nm with 90% transmission, ideal for capturing hydrogen emission nebulae.
  • OIII Filter: Passes light at 500.7nm with 90% transmission, perfect for observing planetary and gaseous nebulae.
  • SII Filter: Passes light at 672nm with 90% transmission, excellent for capturing sulfur-rich emission regions.
• Infrared Blocking: Filters out IR wavelengths (700nm–1000nm), eliminating the need for a separate IR-Cut filter.
• Mounted Design: 2-inch mounted filter threads directly into the barrel of your telescope eyepiece for secure and straightforward installation.
• Enhanced Nebula Observation: Reduces unwanted light pollution caused by artificial sources like sodium vapor and mercury vapor lights, as well as natural light emissions.
• Wide Compatibility: Works with most telescopes using 2-inch eyepieces, enhancing their astrophotographic capabilities.

Important Notes:

• Not suitable for observing the Sun.
• Unsuitable for telescopes with a focal ratio below F/5.

The Svbony SV227 5nm Narrowband Filters are available in H-Alpha, OIII, and SII variants, each tailored for specific astrophotographic needs. Experience sharper, more detailed nebula images and a major boost in contrast, making these filters an essential tool for advanced astrophotography.

Specifications