Semrock's SP01-561RU-50 is a Shortpass Edge Filter, designed with a circular shape and a diameter of 50 mm. This filter is made from UVFS Mal-1965 material, featuring a thickness of 2 mm. The filter's primary purpose is to transmit wavelengths shorter than 558.2 nm while blocking those longer than the specified cutoff of 561 nm.
The front and back surfaces of the filter are coated with the same coating, Sem SP01-561RU, providing a consistent optical performance. This filter is designed with a thin lens shape, ensuring minimal distortion and maintaining the integrity of the transmitted light.
The filter is currently in stock and available for purchase on the Semrock website. For more detailed information, you can visit the product page at https://www.idex-hs.com/store/product-detail/sp01_561ru_50/fl-009523.