33-948 15mm Dia. UVFS Aspheric Lens; EFL=25mm; NA=0.3 Uncoated

The 33-948 is a 15mm diameter Aspheric Lens, uncoated, and manufactured from UV Fused Silica (syn hpfs7980 corning) material. This lens is sourced from Edmund Optics and is currently in stock, as indicated by its weblink status. The catalog number for this item is 33-948, and it can be found and purchased directly from the vendor's website.

The lens features a high numerical aperture (NA) of 0.3, which allows for a wide angle of acceptance and increased light gathering capabilities. The effective focal length (EFL) of this lens is 25mm, making it suitable for applications that require a moderate focal length. The lens is uncoated, which means it does not have any additional layers to enhance light transmission or protect the surface from environmental factors.

The geometry of the lens includes an inner radius of 0mm, an outer radius of 0mm, a diameter of 15mm, and a thickness at the edge of 1.79mm. The thickness at the center of the lens is 4.36mm. The lens's first radius of curvature (r1) is 11.463mm, and it has no second radius of curvature (r2). The back focal length (bfl) of the lens is 22.01mm.

The lens's shape is aspheric, which means it has a non-spherical surface. This type of lens is often used in applications where spherical aberration is a concern, as aspheric lenses can correct this aberration and provide sharper images.

Please note that the lens does not have any coatings, which means it may not perform as well in high-intensity light applications or in environments with high levels of dust or moisture. However, its high numerical aperture and moderate effective focal length make it a versatile choice for many optical applications.