Edmund Scientific 89mm Plano Convex Lens FL 304.8mm Optics USA
The glass presents beautifully with excellent clarity and impressive light transmission. The lens produces strong magnification and focusing characteristics typical of long focal length plano convex optics.
Edmund Optics #48-413 50mm Dia. 3mm Thick, Un-Coated 1λ B270 Glass Window
This Edmund Optics glass window is a top-of-the-line protective element for your equipment. Made in the United States, it measures 50mm in diameter and 3mm in thickness. The window is square and uncoated, with a 1λ B270 glass model for optimal performance. It comes in a unit quantity of one. The window is perfect for industrial and healthcare applications, and is classified under the categories of Business & Industrial, and Healthcare, Lab & Dental. The brand of the window is Edmund Optics Inc. and it is designed specifically for those who need a reliable protective element.