MAN-52-25 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm

The MAN-52-25 is a Neutral Density Filter, specifically designed for use in the visible light spectrum, between 400-700nm. This filter, offered by OptoSigma, is mounted on optical glass and features a circular shape with a diameter of 52mm and a thickness of 2mm.

The filter's primary function is to reduce the intensity of light entering an optical system, allowing for the manipulation of exposure settings without altering the color composition of the light. This is particularly useful in high-intensity lighting situations or when using cameras with high sensitivity settings.

The front and back of the filter are coated with "opt and-25", a coating type not explicitly defined in the provided data. However, it can be inferred that this coating contributes to the filter's overall performance, possibly enhancing its light absorption capabilities or durability.

The filter's geometry, a thin lens shape, suggests that it is designed to minimize optical aberrations and distortions, ensuring the quality of the light passing through it. This makes it an ideal choice for applications that require high-precision optical performance.