FNG4050 50 x 50 mm Absorptive Glass Neutral Density Filter 546nm

The FNG4050 is a Neutral Density Filter, specifically designed for applications requiring a 546nm wavelength. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical elements. The filter is rectangular in shape, with dimensions of 50 x 50 mm, making it suitable for a wide range of optical systems.

The filter is constructed from UVFS MAL-1965 glass, a material known for its excellent optical properties. It has a thickness of 3.9 mm, providing robustness and stability in its mounting. The filter features a Thin Lens shape, which is beneficial for applications where space is a constraint.

The FNG4050 is coated on both the front and back surfaces with the KNI FNG40 coating. This coating enhances the filter's performance by reducing unwanted reflections and increasing transmission. The coating also provides scratch resistance, ensuring the filter maintains its optical quality over time.

The filter is currently in stock and available for immediate purchase from Knight Optical's website. The provided weblink leads directly to the product page, where more information about the filter, including its specifications and pricing, can be found.