The 45-165 30mm Dia. x 75mm FL Uncoated; Double-Convex Lens is a high-quality optical component sourced from Edmund Optics. This lens, with a diameter of 30mm and a focal length of 75mm, is a Spherical Lens of the Convex-Convex subtype, featuring a Circular base shape.
The lens's geometry is meticulously designed, with an edge thickness of 2mm and a center thickness of 4.96mm. The effective focal length (EFL) is 75mm, while the first radius of curvature (R1) is 76.67mm and the second radius of curvature (R2) is -76.67mm. The back focal length (BFL) is 73.35mm. The lens's inner and outer radii are both 0mm, indicating a uniform curvature throughout.
This lens is made from n-BK7 Schott, a popular optical glass known for its excellent optical properties. The wavelength for this lens is 587.6nm. The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.