TFA-20C05-4 20 mm Dia. N-BK7 Flat Aluminum Mirror λ/4; t=5mm

OptoSigma's TFA-20C05-4 is a high-quality metallic mirror with a 20 mm diameter and a thickness of 5mm. This mirror is made from N-BK7 Schott, a popular optical glass known for its excellent optical properties and wide transparency range.

The mirror's coating is a front-side optical TFA aluminum coating with a magnesium fluoride protective layer, offering a high reflectivity of 45% at the specified wavelength of 588 nm. This coating is designed to ensure durability and resistance to environmental factors, making it suitable for various applications.

The mirror's geometry is defined by its circular shape and thin lens design. The thin lens shape allows for efficient light transmission while minimizing optical aberrations. The mirror's flat surface ensures that light is reflected without any deviation, making it ideal for applications requiring precise light direction.

This mirror is currently in stock and available for immediate purchase through the OptoSigma website. With its superior quality and reliable performance, the TFA-20C05-4 is an excellent choice for a wide range of optical applications.