ACN127-030-B 12.7 mm Dia. N-LAK22/N-SF6HT Unmounted Achromatic Doublet; EFL=-30mm 650-1050nm

The ACN127-030-B is a high-quality unmounted achromatic doublet lens from Thorlabs, designed for use in the 650-1050nm spectral range. This lens is part of Thorlabs' extensive catalog of optical elements, which includes a wide variety of lenses, mirrors, and other components sourced from vendors worldwide.

The lens features a 12.7mm diameter and a thickness of 5.3mm at the edge. It is composed of two elements, made from Schott's N-LAK22 and N-SF6HT materials, which are renowned for their optical quality. The lens's geometry includes a -19.3mm radius of curvature for the first surface, a 18.4mm radius for the second surface, and a 106.4mm radius for the third surface. The center thicknesses are 1.5mm and 2.5mm for the first and second elements, respectively.

The ACN127-030-B is coated with Thorlabs' AC650-1050-B coating on both the front and back surfaces, enhancing its performance in the 650-1050nm range. This coating is designed to improve transmission and reduce reflection, making the lens ideal for use in a variety of applications, including imaging, beam shaping, and spectroscopy.

Please note that the lens is unmounted, meaning it does not come with a mount for easy integration into optical systems. However, Thorlabs offers a wide range of mounts that can be used with this lens, providing a solution for users who need to integrate it into their systems.

In conclusion, the ACN127-030-B is a high-quality, versatile lens that offers excellent performance in the 650-1050nm range. Its achromatic design and high-quality materials make it an ideal choice for a wide variety of applications.