17-334 50mm Dia. UVFS Aspheric Lens; EFL=50mm; NA=0.48 Uncoated

The 17-334 50mm Dia. UVFS Aspheric Lens is a high-quality optical component sourced from Edmund Optics. This lens, with a catalog number 17-334, is designed for use in ultraviolet applications, specifically at a wavelength of 355nm.

The lens features a base shape of a circle, with a diameter of 50mm. It has a high numerical aperture (NA) of 0.48, indicating a wide acceptance angle for light and thus, high light-gathering capability. The effective focal length (EFL) of this lens is 50mm, suggesting that it can produce a relatively large image of an object placed at its focal point.

The lens is made of UV fused silica (UVFS), a material known for its excellent transparency in the ultraviolet region. This material also exhibits high thermal shock resistance and low coefficient of thermal expansion, making it suitable for applications involving significant temperature changes.

The lens geometry includes an inner radius of 0mm, an outer radius of 0mm, and a thickness at the edge of 4.01mm. The thickness at the center is 19.2mm. The lens surface is defined by an aspheric profile with a conic constant of -0.773 and no spherical aberration (k2=0). This design helps to minimize optical aberrations, resulting in sharper images.

The lens is uncoated, meaning it does not have any anti-reflective or other surface coatings. While this may result in higher reflective losses, it can also make the lens more cost-effective and suitable for applications where such coatings are not required or desirable.

The lens is currently in stock and available for purchase through the provided weblink.