sv220

Sep 3, 2025
SVBONY
sv220, Dual-Band Filter
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Light Pollution? SV220 3nm Dual-Band Filter Still Gets Sharp Deep-Sky Images!

Struggle with light pollution in astrophotography? The SV220 2-inch 3nm dual-band narrowband filter is your solution. With 3nm ultra-narrow bandwidth, 300-1050nm spectral coverage, and OD5 light blocking, it cuts through urban glow to capture crisp H-alpha & O-III nebula details. Pair with an APS-C camera for 30s exposures (vs. 120s without) in Bortle 8 zones. Get studio-quality deep-sky shots from your backyard. Read More

Dec 25, 2024
Sara
Astrophotography, narrowband, multiband, sv220, sv240, sv260
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Differences Between Narrowband Filters, Broadband Filters, and Multiband Filters: SV220, SV260, and SV240

How to Choose Between SV220, SV240, and SV260 Filters. SV220 Targets specific wavelengths near OIII (500.7 nm) and Hα (656.3 nm), enhancing signal capture from nebulae while reducing sky background brightness. SV240 is esigned for urban areas with significant light pollution, suitable for photographing galaxies and reflection nebulae. SV260 ois effective for capturing images of various celestial bodies, including galaxies and star cluster. Read More

Oct 29, 2024
Cindy
LRGB, sv220, sv227
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Differences Between Wide-band and Narrowband Filters

This blog introduces the differences between broadband filters and narrowband filters. Read More

Jun 24, 2023
Cindy
filter, sv220, svbonyfilter
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SV220 - They All Love This Filter

We have compiled some customer feedback about the SV220, there is always a reason why they love it. If you are also interested in it, you can check out their opinions first. Read More

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