43-399 2.5mm Dia. x 2.5mm FL; Uncoated; Plano-Convex Lens

The 43-399 is a 2.5mm diameter, 2.5mm focal length Plano-Convex lens, sourced from the renowned optical components manufacturer, Edmund Optics. This uncoated lens is designed for use in a wide range of applications, particularly where high-quality imaging is required.

The lens's geometry is characterized by a 0.39mm edge thickness and a center thickness of 0.8mm, ensuring a robust and durable construction. The effective focal length (EFL) is 2.5mm, which, combined with the lens's shape, provides a wide field of view. The lens's inner and outer radii are both zero, indicating a flat surface on one side and a curved surface on the other.

The lens is made from n-lasf9 Schott, a high-quality optical glass known for its excellent transmittance and low auto-fluorescence. The wavelength of 587.6nm suggests its use in applications where yellow light is involved. The lens's spherical shape ensures minimal optical aberration, delivering sharp and clear images.

Notably, this lens is uncoated, which means it does not have any anti-reflective or other surface treatments. While this may result in a higher risk of surface reflections, it also means the lens is more cost-effective and suitable for applications where such coatings are not necessary.