SVBONY SV240 2" Multi-Narrowband Galaxy&Nebula Filter for Urban Astrophotography

$139.99 Buy It Now or Best Offer
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Seller Store svbony_au
(37233) 99.8%,

Location: ShenZhen
Ships to: US,
Item: 286069767150

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
SVBONY:SVBONY
Type:Filter
SV240:SV240
Name:Multi-Narrowband Filter
Size:2-inch
Substrate Thickness:2mm
Clear Aperture:44mm
Wavelength Range:300-1100nm
FWHM:24nm & 20nm & 115nm
Surface Quality:60/40
Surface Parallelism:1/4λ
Thread:M48x0.75
Single Thread:Yes
Net Weight:12.5g / 0.44oz /0.027lb
Country/Region of Manufacture:China

A new galaxy and nebula filter intended for shooting not only nebulae, but also galaxies by the use of the transmittance around the near infrared region. Considering the high quantum efficiency (QE) characteristics of the latest cameras (such as IMX585 and IMX464) in the near-infrared region and taking into consideration that this region is less susceptible to artificial light pollution, the filter adds high transmission in the near-infrared (NIR) band. This spectrum design improves the image signal-to-noise ratio and contrast by capturing signal in visible bands and NIR regions while maintaining good colour balance and being easier to manage in post-processing. Product Description . Features:1.Can be used to image most deep sky objects, including galaxies, reflection nebulae, emission nebula, and star clusters from a Bortle 1 location to Bortle 8. 2.Multi-Narrowband filter properly designed for astrophotography both in light polluted, allows for imaging in bright man-made light pollution and moonlit conditions. 3.Take color images without needing to combine images with multiple filters, most useful for One-Shot Color cameras. 4.High transmittance of the main emission lines Ha/OIII/H-Beta in the visible region enhances SNR and contrast. 5.Passing near-infrared region is for shooting deep sky objects that cannot be imaged with other filters without NIR transmission. Blocking ≥OD4; the ability of this pollution filter for astrophotography in the city to isolate the light pollution band allows it to be used in BORTLE 1-8 urban; use this get clearer and higher contrast astrophotography in urban without going to remote places. Multi-bandpass filters; without multiple filters’ combination for colorful images; rich color in your lens. Resistant of BORTLE 8; the multi-narrowband filters can be resistant from Bortle 1 to Bortle 8 cities; suitable for almost all urban. FWHM; 24nm; 20 nm; 115 nm; the wide wavelength and high transmittance of this multi-bandpass filters in Ha; OIII; H-Beta wavelength helps the colorful image photoing. High transmittance; the >90% transmittance in core wavelength of Ha; OIII; H-Beta; more objects for your astrophotography by using this multi-bandpass filter. 60+80 coatings; has coated with buffer layer; waterproof layer; adhesive layer; multi-layer system; etc; refined coating process makes the multi-narrowband filters improve the image signal-to-noise ratio and contrast while maintaining good color balance. The multilayer coating design for the remarkable performance in tacking light pollution and high transmittance in core wavelength. Astrophotography in urban comfortable. Near IR (NIR) is blocked up to 1100nm. High ability to process the wavelength from 300 to 1100nm. Effectively isolate the light pollution band. The strong ability to tacking light pollution up to BORTLE 8 allows it can be used in multiple cities, and no need to go to the suburbs. Time and labor saving. 300-1100 mm working wavelength; the wider coverage of this multi-narrowband filter allows it to have a strong ability to tack light pollution. The wavelength of most galaxies, emission nebula and so on can be captured in a short time. Widely used and high efficiency. Multiple combinations; there are many combinations of the multi-narrowband filters and astrophotography systems; for example; F9381A+W9161A+W9184A+W9191A+F9198F Can meet the astrophotography needs of most galaxies, reflection nebulae, emission nebula, star clusters, etc. Some questions about SV240 1. Q: What is the difference with SVBONY SV220 mainstream dual narrowband astrophotography filters?A: Dual narrowband filters are mainly used for emission nebulae, planetary nebula, and supernova remnants astrophotography. SV240 can be used for both traditional emission nebulae and galaxies, reflection nebulae, and star clusters. 2. Q: Which equipment can be used with SV240？A: Because SV240 has high transmittance in the near-infrared region, we recommend NIR-enhanced sensors, such as the IMX585 and IMX464. 3. Q: Do these filters produce halos? What kind of primary mirror are recommended?A: Using the infrared astrophotography filter will often cause halos in near-infrared; We recommend using SV240 with a reflective or APO refractor. 4. Q: Does the SV240 filter provide an improvement in photoing broadband galaxy targets?A: Yes, SV240 can be seen as the combination of SV220 and UHC filters, and has remarkable performance both in narrowband and broadband targets. about svbony

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Frequently Asked Questions About SVBONY SV240 2″ Multi-Narrowband Galaxy&Nebula Filter for Urban Astrophotography in My Website

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Frequently Asked Questions About SVBONY SV240 2″ Multi-Narrowband Galaxy&Nebula Filter for Urban Astrophotography in My Website

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