This is a Plano-Convex Lens, type of spherical lens, offered by Standa, a renowned vendor in the optical industry. The lens has a circular base shape with a diameter of 25.4 mm and a thickness of 2.9 mm at the edge, which gradually increases to 3 mm at the center. The effective focal length (EFL) of this lens is 3000 mm, making it suitable for applications that require long focal lengths.
The lens is made of n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. The wavelength for this lens is 546 nm. The lens does not come with any coating, which means it is uncoated. However, users can request coatings according to their specific requirements.
This lens is currently in stock and available for immediate purchase. For more information, users can visit the vendor's website through the provided weblink. The link has been verified and is valid, indicating that the lens is indeed available for purchase.