SVBONY SV220 Telescope Filter SII & OIII 7nm Dual-Band 1.25" & 2" Nebula Filter For Sale
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SVBONY SV220 Telescope Filter SII & OIII 7nm Dual-Band 1.25" & 2" Nebula Filter:
$99.99
The SVBONY SV220 7nm SII & OIII Dual Narrowband Filter captures key nebula emissions with high precision while blocking over 99.999% of unwanted light. With ≥88% peak transmission, it delivers bright, high-contrast deep-sky images. Optimized for One-Shot Color cameras and optical systems above f/4, the SV220 ensures vivid color balance and fine nebular details even under light-polluted skies.
SVBONY SV220 Telescope Filter SII & OIII 7nm Dual-Band 1.25" & 2" Nebula Filter.Two sizes:
- 1.25-Inch SII and O-III Dual Narrowband Filter has a thread specification of M28.5×0.6mm and effective aperture 26mm.
- 2-Inch SII and O-III Dual Narrowband Filter has a thread specification of M48.5×0.75mm and effective aperture 44mm.
Average cut-off depth ≥OD5: SVBONY SV220 SII and O-III Dual Narrowband Filter blocks over 99.999% of unwanted light; eliminating skyglow and stray illumination for ultra-clean data capture and vivid; accurate nebula emission details.
Precision 7nm bandwidth: the SV220 Telescope Filter features a precise 7nm bandwidth; isolating SII (672nm) and OIII (500.7nm) lines; reducing background light; and revealing nebular details with high contrast even under light-polluted skies.
Peak transmission ≥88% for brighter imaging: SV220 Telescope Filter delivers 88%+ transmission at SII and OIII; maximizing light; enhancing nebula contrast; revealing fine structures; ideal for one-shot color cameras in light-polluted skies.
Universal Thread: The 1.25-inch thread is M28.5×0.6mm, compatible with a variety of telescopes and optical systems, making it ideal for deep-sky imaging and capturing emission nebulae; the 2-inch thread is M48.5×0.75mm, which can be easily integrated into most 2-inch lens systems, directly connecting cameras and telescopes for unparalleled convenience.
Optimized for OSC cameras: the SV220 Telescope Filter captures SII and OIII lines precisely; avoids multiple filter swaps; enables SHO color balance; preserves nebular details; ideal for deep-sky imaging in light-polluted skies.
Effectivelear Aperture: SV220 2-Inch Galaxy Nebula Filter with a 44mm clear aperture; ensures uniform illumination across full-frame sensors; eliminating vignetting and delivering edge-to-edge clarity for detailed astrophotography; SV220 1.25-Inch SII and O-III Filter features a 26mm clear aperture; suitable for small and medium-sized sensors; ensuring full light transmission and optimal imaging performance.
True SHO colors: 7nm Dual Narrowband Filter is designed to be used in combination with H-Alpha & OIII Duo Band Filter to provide a superior method for achieving the SHO (Hubble Pallet) narrow band colour balance with colour imaging cameras.
Optical systems from > f/4: SV220 Telescope Filter is not suitable for visual observation;recommended for optical systems from > f/4.PackagePackage 1Package 2ModelSV220SV220NameSII & OIII Duo-Band OSC FilterSII & OIII Duo-Band OSC Filter Size1.25-Inch2-InchSubstrate Thickness1.80mm1.85mmClear Aperture26mm44mmWavelength Range300-1000nm300-1000nmFWHM7nm7nmBlocking≥OD5≥OD5Peak transmittance≥88%≥88%Surface Quality60/4060/40Surface Parallelism1/2λ1/2λThreadM28.5x0.6M48x0.75Single ThreadYesYesNet Weight7g15-20gSV220 1.25-inch SII & OIII Narrowband Filters Recommended CombinationSV220 Buyer's Showjupas_astrophotography
Juan Pablo Esguerra CardonaThe Orion Nebula as you've never seen it before… in SHO (Ionized Sulfur) (Hydrogen) (Doubly Ionized Oxygen) palettes; each of these elements can be observed through narrowband filters:
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Angel Eyes 30mmCompatible BrandUniversalCompatible ModelUniservalModelSV220NameDuo-Band OSC FilterFWHMOIII (7nm) & SII (7nm)Blocking≥OD5Wavelength Range300-1100nmSurface Quality60/40ThreadM48x0.75BrandSVBONYTypeFilterCompatible SeriesUniversalCountry/Region of ManufactureChinaSurface parallelism1/4λPeak transmittance≥88%ShippingReturnPaymentGuaranteeContact usShipping
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We offer a 1-year warranty.
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