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Are you just starting out in Astrophotography in an area with moderate to light urban light pollution? (Bortle Scale 3-6) STC's Astro Nightscape filter is a good place to begin.
Urban light pollution force astrophotographers to drive hours or trek up a mountain to get a clear view of the night sky. Complex post-production techniques and expensive equipment are barriers to astrophotography.
As a result, low-income students and young adults, women, people of color, persons living outside the United States, and the working class don't get an opportunity to be inspired by physics or astrophotography.
As a BIPOC-owned business, we asked ourselves how can we help correct the underrepresentation in astrophotography and physics? The Astro Nightscape filter is our first attempt to build an introductory level light pollution filter.
Highlights
Features
As well as reflecting back common light pollution, the Nightscape filter permits more light from the ground than our Multispectra Filter. This makes it suitable for night shooting in the suburbs with slight light pollution and relatively short exposure time. Avoids the red color shift in cosmic spectra from purple glass light pollution filters. The more natural colors give a better balance between landscape and nightscape.
These are common types of light pollution:
We used IBAD (ion beam-assisted deposition) to coat the optical film on Schott B270 glass for the best transmission and durability. While the filter blocks common sources of light pollution, it also allows through around 30% of ground light. This allows for night scenes with more natural colors, reducing the work and difficulty of post-production.
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