The LA7028-E4 is a 25.4 mm diameter Plano-Convex lens made of ZnSe material, designed for use in the 2-13 µm wavelength range. This lens, sourced from Thorlabs, is a Spherical Lens with a Sub Type of Spherical Lens (Plano-Convex). The lens's Base Shape is Circular, and it features a geometry with a diameter of 25.4 mm, a thickness at the edge of 3.6 mm, and a thickness at the center of 4 mm. The Effective Focal Length (EFL) of this lens is 149 mm.
The Inner Radius and Outer Radius of the LA7028-E4 are both 0, and it is made of ZnSe material, identified as 'znse marple-1964' in the Material ID. The lens is coated with 'tho e4znsearc2000130' on both the front and back surfaces.
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