OIII filters 7nm 1.25 inch for CCD cameras, and 1.25" telescope eyepiece
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1.25'' Svbony OIII 7nm Narrowband Filters for CCD Cameras

In Stock Unavailable
SKU: W9121A

Regular price US$ 129.99

Svbony 1.25'' Oxygen III 7nm extra narrowband filter transmits a 7nm bandwidth of light that is centered at 500nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution(both artificial and natural).

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OIII 7nm Filter

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Model SV160
Size 1.25-inch
Type OIII filter
Wavelength Range 300-1000nm 
CWL 500nm
FWHM 7nm
Surface Quality 60/40
Surface Parallelism 1/4λ
parallelism 30°
T peak 80%
Substrate B270
Substrate Thickness 1.85mm
Blocking OD3 @300-1000nm
Clear Aperture 26mm
Net Weight 5.5g/0.19oz

The SVBONY 1.25" Filters are made of glass import from Germany that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength, or CWL. The filter cell is made of lightweight, strong metal and is CNC machined, sand-blasted; black anodized, and then laser engraved. The result is a super thin filter cell that will produce a clear aperture of 26mm.

The Oxygen III 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is centered at 500nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural). Like all Svbony filters that are designated as "CCD", this OIII also blocks infrared wavelengths from 400nm to 700nm so you don't need a separate IR-Cut filter.

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