L-QPX024 25 mm Dia. UVFS Plano-Convex Lens; EFL=200mm Uncoated

The L-QPX024 is a 25 mm diameter Plano-Convex lens made from UVFS (Ultra-Violet Fused Silica) material, sourced from the reputable vendor Ross Optical. This lens is designed with a long effective focal length (EFL) of 200mm, making it suitable for applications that require high magnification or narrow fields of view.

The lens geometry is characterized by its spherical shape, with a center thickness of 2.9mm and an edge thickness of 2mm. The large radius of curvature (R1) of 91.68mm contributes to the lens's long focal length and minimal spherical aberration. The back focal length (BFL) is 198.7mm, which is crucial for determining the lens's position in an optical system.

The lens is uncoated, which means it does not have any anti-reflective or protective coatings. While this may result in higher reflective losses and a greater susceptibility to environmental damage, it can also be beneficial in certain applications where specific reflectance properties are required.

This lens is made from UVFS, a material with a high transmission range in the ultraviolet spectrum, making it ideal for UV applications. The material's Abbe number, a measure of dispersion, is not provided, but it can be inferred that it has a low dispersion due to its UV transmission properties.