The NE2R04A is a Neutral Density Filter, specifically designed for applications requiring a 0.4 Optical Density. This filter is sourced from Thorlabs, a renowned vendor known for its high-quality optical components. The catalog number for this item is NE2R04A, and it is currently in stock, as indicated by its weblink status.
This filter is circular in base shape, with a diameter of 50.8 mm and a thickness of 0.7 mm, making it suitable for a wide range of optical systems. The filter material is UVFS MAL-1965, and it features a Thin Lens shape. The front and back of the filter are coated with tho ne04a, ensuring consistent performance across various wavelengths, specifically at 633 nm.
The NE2R04A filter is mounted with an SM2-Threaded Mount, providing a secure and reliable connection to your optical system. The weblinks provided lead to the Thorlabs product page, where you can find more detailed information, including technical specifications, pricing, and purchasing options.