FND-30C02-30 30 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

OptoSigma's FND-30C02-30 is a high-quality Neutral Density Filter, designed for use in the visible light spectrum, specifically between 400 and 700 nanometers. This unmounted filter, with a diameter of 30 millimeters and a thickness of 2 millimeters, is made from N-BK7 Schott, a renowned optical glass known for its excellent transmittance and low auto-fluorescence.

The filter features a reflective coating, Opt FND-30, on both the front and back surfaces, which provides a high level of neutral density while maintaining excellent color balance and minimizing optical distortion. This coating is specifically designed for use in the visible light spectrum, ensuring optimal performance in a wide range of applications.

The FND-30C02-30 is shaped as a thin lens, making it ideal for use in various optical systems where space is a constraint. The unmounted design allows for easy integration into existing setups or custom mounting solutions, providing flexibility in system design.

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