This is the 67-262 model from Edmund Optics, a 50 mm Dia. N-SF5 Precision Aspheric Lens with an effective focal length (EFL) of 30mm and a numerical aperture (NA) of 0.83. The lens is coated with BBAR 600-1050nm, ensuring high-performance imaging in the near-infrared spectrum.
The lens is made of N-SF5 Schott glass, a high-index, low-dispersion material often used in high-performance optical systems. Its aspheric design allows for superior image quality, minimizing spherical aberration and distortion compared to traditional spherical lenses. The lens has a diameter of 50 mm and a thickness of 1.44 mm at the edge, with a center thickness of 20 mm.
The BBAR 600-1050nm coating on both the front and back surfaces enhances transmission in the 600-1050nm range, reducing surface reflections and improving overall light transmission. This coating is particularly useful in applications such as biomedical imaging, spectroscopy, and other near-infrared-based technologies.
The lens is currently in stock and available for immediate purchase through the Edmund Optics website. With its high NA, precision aspheric design, and BBAR coating, this lens is an excellent choice for a wide range of imaging applications in the near-infrared spectrum.