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SVBONY SV220 showing set

SVBONY 7nm Dual Narrowband Filter Set for Deep Sky 1.25 inch SV220

$266.00 Regular Price
$229.95Sale Price
GST Included | 
copy of SVBONY 7nm Dual Narrowband Filter Set for Deep Sky 1.25 inch SV220
 
Combines Ha, OIII and SII filters for Hubble‑palette deep‑sky imaging with color balance control.
 
7 nm bandwidth sharply isolates key emission lines to significantly reduce sky glow and light pollution.
 
Designed to darken sky background and boost nebula contrast even in city and moonlit conditions.
 
Works with one‑shot color cameras without complex setup—simplifies astrophotography workflow.
 
Flexible set supports simple dual‑filter shooting and advanced compositing for detailed results.
 
 
 
Quantity
SKU: SV220 1.25 inch

  • Specifications

    Model​ SV220 SV220
    Name​ 7nm H-Alpha&OIII Duo-Band OSC Filter​ 7nm H-Alpha&OIII Duo-Band OSC Filter
    Size​ 2-Inch​ 1.25-Inch
    Substrate Thickness​ 1.80mm​ 1.85mm
    Clear Aperture​ 44mm​ 26mm
    Wavelength Range​ 300-1100nm​ 300-1100nm
    FWHM​ OIII (7nm) & HA (7nm) ​ OIII (7nm) & HA (7nm)
    Blocking​ OD5​ >OD5
    Peak transmittance​ 500.7nm@T>90%; 656.3nm@T>94%​ 500.7nm@T>90%; 656.3nm@T>94%​
    Surface Quality​ 60/40 ​ 60/40
    Surface parallelism​ 1/4λ​ 1/4λ
    Thread​ M48x0.75​ M28.5*0.6
    Single Thread​ Yes​ Yes
    Net Weight​ 12.5g / 0.44oz /0.027lb​ 7g
         
    Model SV220 SV220
    Name 7nm SII&OIII Duo-Band OSC Filter 7nm SII&OIII Duo-Band OSC Filter
    Size 1.25-Inch 2-Inch
    Substrate Thickness 1.80mm 1.85mm
    Clear Aperture 26mm 44mm
    Wavelength Range 300-1000nm 300-1000nm
    FWHM 7nm 7nm
    Blocking ≥OD5 ≥OD5
    Peak transmittance ≥88% ≥88%
    Surface Quality 60/40 60/40
    Surface Parallelism 1/2λ 1/2λ
    Thread M28.5x06 M48x0.75
    Single Thread Yes Yes
    Net Weight 7g 15-20g
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