Semrock's FF01-500/LP-25 is a Longpass Filter with a circular shape and a diameter of 25 mm. This filter is made of UVFS Mal-1965 material and has a thickness of 2 mm. The wavelength of this filter is 515 nm, and it is designed to block wavelengths of 500 nm and below, while allowing wavelengths of 500 nm and above to pass through.
The filter's coating is the same on both the front and back, with the front coating being Sem FF01-500LP and the back coating also being Sem FF01-500LP. This Thin Lens filter is part of Semrock's extensive catalog and is currently in stock. For more information, users can visit the product's webpage at https://www.idex-hs.com/store/product-detail/ff01_500_lp_25.