The SLB-30B-200P is a high-quality double-convex lens, 30.0 mm in diameter and with a focal length of 200.5 mm, sourced from the reputable vendor OptoSigma. This lens is made of the renowned material n-bk7 schott, a type of borosilicate glass known for its excellent optical properties.
The lens features a base shape of a circle, with a thickness of 2 mm at the edge and 3.1 mm at the center. The effective focal length (EFL) is 200.5 mm, while the back focal length (BFL) is 199.5 mm. The radii of curvature are 207.6 mm for the first surface and -207.6 mm for the second, indicating a convex-convex shape.
Notably, this lens is uncoated, meaning it does not have any anti-reflective or other coatings applied to its surfaces. This may be suitable for applications where such coatings are not required or desirable.
The lens is currently in stock and can be purchased directly from the vendor's website, with the provided weblink offering a direct path to the product page. This lens is a versatile and reliable choice for various optical applications, offering high-quality performance and durability.