This is a 114-0118E Double-Concave Lens, sourced from EKSMA Optics, a renowned vendor known for its high-quality optical components. The lens has a base shape of a circle and is designed for use in spherical optical systems.
The lens has a diameter of 12.7 mm and a center thickness of 2.8 mm, with the edge thickness being slightly larger at 3 mm. This lens is designed for use at a wavelength of 546 nm. The effective focal length (EFL) of this lens is -100 mm, making it a double-concave lens.
The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. The lens does not come with any coating, as indicated by the empty 'coating' field in the item data.
This lens is in stock and available for immediate use. For more information, including pricing and compatibility with other optical components, please refer to the vendor's website using the provided weblink.