The ACL3026U is a high-quality aspheric condenser lens, boasting a catalog number of ACL3026U and manufactured by the renowned optical vendor, Thorlabs. This lens is specifically designed for use in the visible spectrum, with a central wavelength of 633 nm. The ACL3026U is currently in stock and available for immediate purchase through the vendor's official website.
This lens is characterized by its aspheric design, which offers superior optical performance compared to traditional spherical lenses. The base shape of the lens is circular, with a diameter of 30 mm. The lens's geometry includes an inner radius of 0 mm, an outer radius of 0 mm, and a thickness at the edge of 2.1 mm. The effective focal length (EFL) of the lens is 26 mm, and the back focal length (BFL) is 18 mm.
The lens's thickness at the center is 11.9 mm, and it has a numerical aperture (NA) of 0.55. The lens's conic constant, k1, is -0.6301, and it has a series of aspheric coefficients (a2, a4, a6, a8, a10, a12, a14, a16) of 0, 5.5e-06, 0, 0, 0, 0, 0, and 0, respectively.
Please note that the lens does not come with any coating, as indicated in the item data. This may affect the lens's performance in certain applications, so users should consider this factor when making their selection.