Thorlabs N-BK7 A Coated Bi-Convex Optical Lens LB1909-A NEW Sealed (Best Offer!) 3045200 Model: EV-S21A

Model: EV-S21A

each with an expiration date of March 2026

The main body exhibits minor surface wear

Widely used in biotechnology

Thorlabs N-BK7 A Coated Bi-Convex Optical Lens LB1909-A NEW Sealed (Best Offer!) 3045200 Model: EV-S21AThis optical lens provides precise light manipulation, features a bi convex design and A coating, and is suitable for various laboratory and industrial applications requiring beam shaping or focusing. Brand: Thorlabs Model: N BK7 A Coated Bi Convex Optical Lens Model Number MPN: LB1909 A Diameter: 50. 8 mm Focal Length: 500. 0 mm Material: N BK7 Coating: A Coated Lens Type: Bi Convex The item is new and unused, sealed in the original manufacturers