The AT600lp C is a longpass filter with a circular shape, a diameter of 25 mm, and a thickness of 1 mm. This filter is sourced from Chroma, a reputable vendor in the optical industry. The catalog number for this item is AT600lp, and it can be found on Chroma's official website. The link provided is currently valid and indicates that the item is in stock.
This filter is made of UVFS MAL-1965 material and is coated on both the front and back with chr at600lp. The wavelength for this filter is 615 nm. The physical data for this filter indicates that it cuts on at 600 nm and cuts off at 0 nm.
The filter is designed in the shape of a thin lens, making it suitable for a wide range of optical applications. The coating on this filter is a sputter hard coating, which is known for its durability and resistance to wear and tear. This makes the AT600lp C an ideal choice for applications that require a longpass filter with a high level of durability.