SV220 2inches Telescope Filter Dual-Band Nebula OIII & H-a for Astrophotography For Sale
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SV220 2inches Telescope Filter Dual-Band Nebula OIII & H-a for Astrophotography:
$129.99
The SVBONY 7nm dual band filter is designed to drastically reduce the effect of light pollution, for emission nebulae, planetary nebulae and supernova remnants imaging.The 7nm bandwidth strongly isolates the nebulae's emissions into H-Alpha (red) and OIII (green-blue) from anything else, ensuring that the shooting astronomical object is pure enough, free from non-target spectral interference.Comparing to the traditional DSO photography plan “Monochrome camera + SHO filters + Filter wheel” and long single channel exposure time and post-processing, SV220 dual-band filter simplifies the tediousness and difficulties of photography and post-processing, gaining full color images with one-shot.The SV220 filter greatly reduces the effect of light pollution and moonlight, and makes it possibl
SVBONY SV220 2inches Telescope Filter Dual-Band Nebula Filter OIII & H-a 7nm.Click to view productsTransmittance wavelengthOIII (7nm) & HA (7nm)
500.7nm@T>90%
656.3nm@T>94%T＞95%@486.1nm
T＞92%@495.9nm
T>85%@500.7nm
T>95%@656.3nm
Tavg>95%@830-870nmT≥88.89%@420nm
T≥95.74%@H-β 486nm
T≥95.51%@OIII 496nm
T≥91.53%@OIII 500.7nm
T≥83%@560nm
T≥87.46%@602nm
T≥99.17%@Ha 656.3nm
T≥98.63%@N-II 654nm
T≥99.18%@N-II 658nm
T≥97.74%@SII 672nmCut-off depthOD5T≤0.01%@350-400nm
T≤0.68%@Hg 435.8nm
T≤1.1%@Hg 546.1nm
T≤0.13%@Hg 577nm
T≤0.12%@Hg 578.1nm
T≤0.94%@Hg 589nm
T≤0.94%@Na 589.6nm
T≤0.7%@Na 615.4nm
T≤0.59%@Na 616.1nm
T≤0.06%@720-1100nm>OD4@350-400nm
>OD2@Hg 435.8nm
>OD1@Hg 546.1nm
>OD3@Hg 577nm
>OD3@Hg 578.1nm
>OD2@Hg 589nm
>OD2@Na 589.6nm
>OD2@Na 615.4nm
>OD2@Na 616.1nm
>OD4@720-1100nmShooting targetsEmission nebulaEmission + Reflection nebulaEmission + Reflection nebula + GalaxyApplicable occasionsCityCitySuburbsApplicable levelBortle8Bortle8Bortle6
The SVBONY 7nm dual band filter is designed to drastically reduce the effect of light pollution,for emission nebulae, planetary nebulae and supernova remnants imaging.
The 7nm bandwidth strongly isolates the nebulae's emissions into H-Alpha (red) and OIII (green-blue) from anything else, ensuring that the shooting astronomical object is pure enough, free from non-target spectral interference.
Comparing to the traditional DSO photography plan “Monochrome camera + SHO filters + Filter wheel”and long single channel exposure time and post-processing, SV220 dual-band filter simplifies the tediousness and difficulties of photography and post-processing, gaining full color images with one-shot.
The SV220 filter greatly reduces the effect of light pollution and moonlight, and makes it possible to do photography in a light polluted environmental conditions, like on your balcony or in your backyard. Meanwhile it saves your time on the road and cost on the fuel.
Review with SV220Joseph Milazzo
I purchased the svbony sv220 dual narrow band filter. I am very pleased. The eagle nebula was only 20 -2 minute subs. The crescent was 47 2 minute subs. Scope was sv503ed 102 and ASI533 cam.
Mj Magallon
A Blazing Rendition of Horsehead and Flame Nebula
Alnitak is a good test of how the SV220 performs.
Svbony SV220 duo band filter
Gain 100, 300-sec subs
Sky Rover 72mm f/6 ED Apo, with 0,8x Reducer
with flats, darks, and bias.
Leo Yu
Second take of the Bat / Eastern veil nebula. this time with a dual band filter. Post processed to push the OIII more and better framing
30x 300s Gain 191 Bortle 8
Astrotech 102ED
Celestron AVX
SVBONY SV405CC @ -5c
SVBONY SV165 Guidescope
SVBONY SV305 Pro guide camera
SVBONY SV220 7nm dual band filter
Pixinsight + BlurX + NoiseX
LightRoom for final touchup
Compatible BrandUniversalSize2.0 inBlockingOD5Compatible ModelUniservalMaximum Magnification200mA@5VMPNW9172BClear Aperture44mmSubstrate Thickness1.80mmNameDuo-Band OSC FilterThreadM48x0.75BrandSVBONYTypeMountSurface Quality60/40FWHMOIII (7nm) & HA (7nm)ModelNOCompatible SeriesUniversalFeaturesPaddedCountry/Region of ManufactureChinaPeak transmittance500.7nm@T>90%; 656.3nm@T>94%Surface parallelism1/4λWavelength Range300-1100nmShippingReturnPaymentGuaranteeContact usShipping
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If the product you purchased is in stock at our warehouse in China, we will ship it from there. Delivery time is usually 5-9 business days.
Return
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We offer a 30-day unconditional return policy.
1. You can get a full refund when you return an undamaged product for any reason within 30 days. Just make sure all products are in original condition and provide us with relevant pictures or videos to prove it.2. If you are not sure whether the product is in brand new condition, you can contact us first. We can help you confirm and provide a return label.
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Warranty Time
We offer a 1-year warranty.
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Guaranteed authentic, we are the official store of SVBONY brand, and the products sold are guaranteed to be authentic.
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Guaranteed after-sales, all products purchased from SVBONY enjoy worry-free warranty, your product warranty period is one year.
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