The LF4706 is a spherical lens with a concave-convex base shape and a circular design, sourced from the reputable vendor Thorlabs. This lens boasts a diameter of 25.4 mm and a center thickness of 3.5 mm, with the edge thickness measuring 3.9 mm. The effective focal length (EFL) of this lens is -500mm, making it a negative meniscus lens.
The lens is crafted from UVFS material, specifically identified as UVFS MAL-1965, and is designed to operate at a wavelength of 546 nm. The inner and outer radii of the lens are both 0, and the back focal length (BFL) is -497.2 mm. The lens does not come with any coating, as indicated in the item data.
For more detailed information, please refer to the vendor's website, where the item is currently in stock. The link to the product page is provided in the item data for your convenience.