47-090 50.8mm Dia. x 108.9mm EFL; 30° Protected Gold 175A; Off-Axis Parabolic Mirror Protected Gold 700-10000nm

The 47-090 is a high-quality Off-Axis Parabolic Mirror, sourced from the renowned optical vendor, Edmund Optics. This mirror, with a diameter of 50.8mm, is designed for use in a wide range of optical systems, offering superior performance and durability.

The mirror's geometry is carefully crafted, with a PFL (Pupil to Focal Length) distance of 101.6mm and an Effective Focal Length (EFL) of 108.89mm. The off-axis angle is 30 degrees, making it suitable for applications requiring off-axis paraboloidal reflectors. The mirror's a value is 19.96, and it has a radius of curvature of 203.2.

The mirror is made from N-BK7 Schott, a high-quality optical glass known for its excellent optical properties. The front surface of the mirror is coated with EDM PRGold 700-10000, a protected gold coating that enhances its reflectivity in the 700-10000nm wavelength range. This coating ensures high-quality performance and longevity, making the mirror ideal for use in various applications.