This is a Plano-Concave Lens, type 14PCV50-1-1, sourced from Standa, a renowned vendor in the optical industry. The lens boasts a base shape of a circle and is designed for use in spherical optical systems.
The lens has a diameter of 25.4 mm and a thickness at the edge of 6 mm. The center thickness is 2.8 mm, providing a robust structure while maintaining a sleek profile. The effective focal length (EFL) of this lens is -50 mm, indicating its concave nature.
The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. It is designed to operate at a wavelength of 546 nm, making it suitable for a wide range of applications.
Notably, this lens is uncoated. While coatings can enhance the performance of lenses by reducing reflections, increasing transmission, or providing other benefits, an uncoated lens can be advantageous in certain applications where specific coating properties are not required.
For more information about this lens, including its availability and related products, please refer to the vendor's website at http://www.standaphotonics.com/lenses/plano-concave-lenses.php.