Holmarc Opto-Mechatronics offers the HO-BXL50-06C, a 50mm diameter N-BK7 double-convex lens with an effective focal length (EFL) of 300mm. This lens features a single layer of MgF2 coating on both the front and back surfaces.
The lens boasts a base shape of a circle and is designed with a spherical geometry. The first radius of curvature (r1) is 312.109243, while the second radius of curvature (r2) is -312.109243. The lens has a thickness of 3mm at the edge. The inner and outer radii are both 0, indicating a symmetrical design.
The lens material is N-BK7 Schott, a popular choice for its high refractive index and low dispersion. The wavelength for this lens is 587.6nm. The coating on the lens is a single layer of MgF2, which is known for its excellent optical properties and durability.
The HO-BXL50-06C is currently in stock and available for purchase through the Holmarc Opto-Mechatronics website. The link to the product page is provided for your convenience.