This is a G311316000 22.4 mm Dia. N-BK7 Double-Convex Lens, featuring an effective focal length (EFL) of 60mm and sourced from the renowned optical components manufacturer, Qioptiq Photonics. The lens is uncoated, offering a high-quality, cost-effective solution for various applications.
The lens has a base shape of a circle with a diameter of 22.4 mm. The edge thickness is 2 mm, while the center thickness is 4 mm, providing a robust and durable structure. The lens's inner and outer radii are both 0, indicating a symmetrical double-convex design. The radii of curvature for the first and second surfaces are r1 = 62.643 mm and r2 = -62.643 mm, respectively.
The lens is made of N-BK7 glass, a popular material in the optical industry due to its excellent optical properties and wide transparency range. The material's refractive index at the specified wavelength of 587.6 nm is compatible with various applications.
The item data does not provide information on coatings. However, the lens is listed as uncoated, meaning it does not have any anti-reflective or other specialized coatings.