ACL50832U Ø2" Aspheric Condenser Lens; f=32 mm, NA=0.76 Uncoated

The ACL50832U is a high-quality aspheric condenser lens, manufactured by Thorlabs, offering a focal length of 32 mm and a numerical aperture (NA) of 0.76. This lens is uncoated, allowing for versatility in various applications.

The lens is made of B270 Schott glass, a popular material for optical elements due to its excellent transparency and homogeneity. The lens has a circular base shape with a diameter of 50.8 mm and a thickness of 1.9 mm at the edge. The effective focal length (EFL) is 32 mm, and the back focal length (BFL) is 17 mm.

The ACL50832U features an aspheric surface with a conic constant of -0.7980728 and aspheric coefficients of a4=3.4036234e-06, a6=6.8362712e-09, and a8=-1.9656086e-11. These coefficients ensure the lens's high optical performance, minimizing spherical aberration and other optical aberrations.

The lens's center thickness is 25 mm, and it has a numerical aperture (NA) of 0.76. The NA is a measure of the lens's light-gathering ability and resolution, making this lens suitable for high-resolution imaging and illumination applications.

The ACL50832U is available for purchase through the Thorlabs website, and the link provided indicates that it is currently in stock. This lens is an excellent choice for researchers and engineers in need of a high-performance condenser lens for their optical systems.