The FSR-OD40 is a high-quality Neutral Density Filter, measuring 25.4 mm in diameter, manufactured by MKS/Newport. This filter is specifically designed for use within the wavelength range of 400-900nm, making it suitable for a wide range of optical applications.
The filter boasts a circular base shape, constructed from UVFS material with the Mal-1965 identification. It features a thickness of 3mm, ensuring durability and stability in its setup. The FSR-OD40 is coated with the New OD40 coating on both the front and back surfaces, contributing to its impressive performance.
The geometry of this filter is designed in the Thin Lens shape, allowing for efficient integration into various optical systems. The catalog number for this item is FSR-OD40, and it can be found on the Newport website with a valid status, indicating its availability in their inventory.