Discover the precision and quality of our Bi-Concave Lenses, meticulously crafted to meet the highest standards in optical performance. These lenses are designed with a biconcave structure, making them ideal for a variety of optical applications where light divergence is required. The use of premium materials ensures that each lens delivers exceptional clarity and durability, making them a reliable choice for professionals in the field.

Our Bi-Concave Lenses are available in a wide range of diameters, from 0.35mm to 700mm, allowing for versatile use across different projects. The diameter tolerance is maintained at an impressive +0.00/-0.01mm, ensuring precise measurements and consistency. The surface quality of these lenses is rated at 10-5, providing a flawless finish that enhances optical performance. With a surface irregularity of λ/10 at 632.8nm, or customized to your specifications, these lenses offer superior wavefront accuracy.

Constructed from a variety of high-quality optical materials, including Optical Glass, BK7, H-K9L, UVFS, Germanium, Silicon, CaF2, MgF2, ZnSe, ZnS, and Sapphire, these lenses are engineered to meet diverse optical needs. The thickness tolerance is precisely controlled at +0/-0.02mm, and the clear aperture exceeds 90% of the diameter, ensuring maximum light transmission and minimal distortion. The chamfer ranges from 0.05 to 0.5mm, and the centration is less than 30 arcseconds, further enhancing the lens's precision.

Our Bi-Concave Lenses are available with a variety of coating options to suit different wavelength requirements. Choose from Single Mag2 or Multiple Layers AR Coating, with options for wavelength ranges of 350-650nm, 650-1050nm, and 1050-1585nm. For specialized needs, custom coating designs are also available, ensuring that your specific optical requirements are met with precision and efficiency.