Dual-Band Filter

Sep 3, 2025
SVBONY
sv220, Dual-Band Filter
0 Comments

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

Feb 3, 2023
Cindy
sv220, Dual-Band Filter, SVbony Filter
0 Comments

Some New Tests Feedback about Dual Narrowband Filters 7nm SV220!

The SV220 is a 7nm dual narrow-band filter that we released recently, and it is also our first dual narrow-band filter. In the future, we will continue to make better filters with other specifications to meet your needs, welcome to put forward any of your ideas! We have compiled some of the latest review images and comments about it for reference. Read More

Jan 7, 2023
Tyson
filter, Dual-Band Filter
1 Comments

How Much Do You Know About SV220 Dual-Band 7nm Nebula Filter?

SV220 Dual Band Filter is useful for imaging emission nebula, planetary nebula and supernova remnants, and can achieve single exposure to capture large full-color images. Read More

Blog