Tag Archives: optical filters

New Guide to the Electromagnetic Spectrum in Astronomy

Curious about the spectrum of light that can be used in astrophotography? An article entitled “Guide to the Electromagnetic Spectrum in Astronomy” now appears in on the website astrobites.org. This short, but comprehensive, introductory article mentions all ranges of the electromagnetic spectrum utilized for astronomical observation. This article focuses on the following questions: What astrophysical … Continue reading

November 10, 2022 Blog, Chroma Technology, Optics

View of the Andromeda Galaxy

Here is another image shared by Tony Hallas: the center of the Andromeda Galaxy, located about 2.5 million light-years away from Earth. This photo was taken using Chroma astronomical filters in California. To see more of Tony’s work on his website ASTROPHOTO.COM, click here. Chroma Technology manufactures the highest quality astronomy filters with durable, sputtered hard coatings using … Continue reading

November 2, 2022 Blog, Chroma Technology, Optics

Webinar Discussing Optical Filters for Hyperspectral Imaging

Join Principle Engineer John Atkinson of Chroma Technology as he demonstrates the immense, practical value of optical filters in providing a more cost-effective solution in machine vision systems to hyperspectral imaging. In Chroma’s webinar entitled, “Multispectral SWIR Analysis: Choosing the right solution and appropriate filters,” John covers such topics as: Utilizing optical filters in the … Continue reading

September 9, 2022 Blog, Chroma Technology, Optics

Chroma’s TopNotch Filters Combine Several Features

TopNotch™ filters from Chroma Technology combine several high performance features, all in one notch filter: Narrow notch (3% of CWL), rejects only the intended wavelengths Extra-wide transmission range (350–1600 nm) with approximately 95% T Extra-steep transition slopes from blocking to transmission Relatively high blocking level, > 6 nm at > OD 6, providing flexibility for variable … Continue reading

August 14, 2022 Blog, Chroma Technology, Optics