This is a HO-BXL12.5-08 12.5mm Dia. N-BK7 Double-Convex Lens, with an effective focal length (EFL) of 100mm, sourced from Holmarc Opto-Mechatronics. The lens is uncoated, which means it does not have any additional layers to protect or enhance its optical properties.
The lens is a Spherical Lens of the Sub Type Spherical Lens (Convex-Convex), with a base shape of Circular. The diameter of the lens is 12.5mm, and the thickness at the edge is 2mm. The first radius of curvature (r1) is 103.914303, and the second radius of curvature (r2) is -103.914303. The Inner Radius and Outer Radius are both 0.
The lens is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties. The wavelength for this lens is 587.6nm.
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