SVBONY SV220 1.25" Dual Band Filter for Astrophotography – W9172A

The SVBONY SV220 1.25" Dual Band Filter is engineered to improve deep-sky imaging by selectively transmitting H-alpha and OIII emission lines while suppressing unwanted artificial light and skyglow. This makes it particularly effective for one-shot color astronomy cameras, enabling enhanced nebula contrast and color separation without complex filter changes.

Why Choose the SV220 Dual Band Filter

The SV220 dual band filter allows astrophotographers to capture cleaner, higher-contrast nebula images even under light-polluted skies. Its ease of use and compatibility with color cameras make it an excellent upgrade for efficient deep-sky imaging.

Key Features

• Dual Band Transmission: Isolates H-alpha and OIII wavelengths

• Enhanced Nebula Contrast: Reveals finer structure and detail

• Light Pollution Reduction: Suppresses common artificial light sources

• Optimized for Color Cameras: Ideal for OSC astrophotography

• 1.25-Inch Standard Size: Fits most eyepieces, cameras, and filter wheels

• Multi-Coated Optical Glass: High transmission with reduced reflections

• Precision Machined Filter Cell: Secure mounting and long-term durability

Specifications

• Model: SV220

• Filter Type: Dual band (H-alpha + OIII)

• Filter Size: 1.25 inch

• Optical Coatings: Multi-coated

• Glass Type: Optical glass

• Thread Standard: M28.5 × 0.6

• Primary Use: Emission nebula astrophotography

• Recommended Cameras: Color CMOS astronomy cameras

• SKU: W9172A