The ET520LP R is a rectangular longpass filter, measuring 26 mm in width and 38 mm in height, with a thickness of 1 mm. Manufactured by Chroma, this filter is part of their extensive catalog, featuring the catalog number ET520LP. The filter is designed to cut on at 520 nm and has a cut off of 0 nm.
This longpass filter is made of UVFS Mal-1965 material and features sputter hard coating on both the front and back. The coating on the front is identified as 'chr et520lp', while the back coating is also marked as 'chr et520lp'. The filter's shape is classified as a thin lens.
The ET520LP R is currently in stock and available for purchase through the Chroma website, as indicated by its weblink status. Users can find more information and purchase this product by visiting the provided weblink: https://www.chroma.com/products/parts/et520lp.