111-0555E 50.8 mm Dia. x 1500 mm FL; Uncoated; Double-Convex Lens

The 111-0555E is a high-quality double-convex lens, sourced from EKSMA Optics, a renowned vendor in the optical components industry. This lens boasts a base shape of a circle and is designed for use in spherical lens applications.

The lens has a diameter of 50.8 mm and a thickness at the edge of 4.6 mm, while the center thickness measures 5 mm. The effective focal length (EFL) of this lens is 1500 mm, making it suitable for applications requiring long-distance focusing.

The 111-0555E is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. The radii of curvature for this lens are r1 = 1555.3 mm and r2 = -1555.3 mm, indicating a symmetrical, double-convex design.

This lens is uncoated, meaning it does not have any anti-reflective or other coatings applied to its surfaces. While this may result in higher reflective losses, it also means the lens is more versatile in terms of potential applications, as coatings can sometimes limit the usable spectral range.

The wavelength for this lens is 546 nm, which is within the visible light spectrum. This makes the 111-0555E suitable for use in a wide range of applications, from imaging and metrology to laser systems and beam shaping.