The 27003 R 26 mm x 38 mm H-alpha 8nm Bandpass Filter is a high-quality optical component designed for precise wavelength selection, manufactured by Chroma. This filter is specifically designed for use in the H-alpha spectral region, with a center wavelength of 650 nm and a bandwidth of 8 nm.
The filter is rectangular in shape, with a width of 26 mm and a height of 38 mm, making it suitable for a variety of optical systems. It has a thickness of 1 mm, providing durability while maintaining a low profile. The filter is coated on both sides with Chroma's proprietary coatings, denoted as 'chr 27003', ensuring high transmission and excellent blocking characteristics.
The physical data of the filter includes a cut-on wavelength of 646 nm and a cut-off wavelength of 654 nm, providing a narrow passband around the H-alpha line. The material ID of the filter is 'uvfs mal- 1965', indicating its specific composition and manufacturing process.
This filter is part of Chroma's extensive catalog, and the provided data indicates that it is in stock and available for purchase. The filter's catalog number is 27003, and it can be found on Chroma's website at the provided weblink, which has been verified to be valid.