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SV160 2inch SII Filter 7nm Narrow-Band for CCDs

SKU: W9122B
US$ 134.99 -10%
List Price: US$ 149.99
  • SVBONY Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is centered at 672nm and drastically reduces other transmissions; including wavelengths of light that are responsible for light pollution
  • Quality lens material;The SVBONY 2inch filters are made with Schott glass that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength or CWL
  • Rugged metal frame;The SVBONY filter cell is made of lightweight; strong metal and is CNC machined; sand-blasted; black anodized; and then laser engraved
  • Standard 2-inch thread size; Metal filter cell threads directly into the 2- inch barrel of your telescope eyepiece
  • SVBONY 2inch SII-CCD filter is for the astrophotography; lets you increase the contrast when photographing deep sky objects; It stands out better against the night sky background; letting you see detail that was not apparent before

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SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs

2 Inches SII-CCD 7nm Narrowband Filter.jpg

sho filter wave length.jpg

1 reviews

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a very honest cost-effective brand

The O3 and S2 Filter sound Useful for Visual Observations

Specifications

Type SII Filter
Size 2-Inch
T peak 80%
Transmission Line Wavelength 672nm
Infrared wavelength 700-1100nm cut-off
0.1% transmission Hg at 435nm and 578nm
0.1% transmission Na at 589nm
Wavelength Range 300-1000nm
Blocking OD3 @300-1000nm
Clear Aperture 45mm
Surface Quality 60/40
Surface parallelism 1/4λ
Surface parallelism 1/4λ
Parallelism 30"
Glass Thickness 1.85mm
Machined CNC machined
Thread M48*0.75

Features

1. Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is centered at 672nm and drastically reduces other transmissions; including wavelengths of light that are responsible for light pollution
2. Quality lens material;The SVBONY 2inch filters are made with Schott glass that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength or CWL
3. Rugged metal frame;The SVBONY filter cell is made of lightweight; strong metal and is CNC machined; sand-blasted; black anodized; and then laser engraved
4. Standard 2-inch thread size; Metal filter cell threads directly into the 2- inch barrel of your telescope eyepiece
5. SVBONY 2inch SII-CCD filter is for the astrophotography; lets you increase the contrast when photographing deep sky objects; It stands out better against the night sky background; letting you see detail that was not apparent before

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