354140 2.4 mm Dia. D-ZK3 Molded Glass Aspheric Lenses; EFL=1.5 mm; NA=0.58 Uncoated

The 354140 2.4 mm Dia. D-ZK3 Molded Glass Aspheric Lens is a high-quality optical component sourced from Thorlabs. This lens, with a catalog number 354140, is designed for use in a variety of applications, particularly where high numerical aperture and short focal length are required.

The lens is made of D-ZK3 glass, a unique material known for its excellent optical properties. It has a diameter of 2.4 mm and a thickness of 0.475 mm at the edge, ensuring durability and precision. The center thickness is 1.02 mm, providing a balanced structure for optimal light transmission.

The lens features an effective focal length (EFL) of 1.5 mm, making it suitable for use in compact optical systems. The aspheric design of the lens (r1: 0, r2: -0.84066) reduces spherical aberration, enhancing the quality of the image. The lens has a numerical aperture (NA) of 0.58, indicating a wide acceptance angle and high light-gathering capability.

The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements. This lens is currently in stock and available for immediate shipping, as indicated by its weblink status.