bi focals

Brand Name:UNIFORM

Model Number:AUTC-GP-443

Place of Origin:CHINA

... can supply standard and high-precision spherical lens in a variety of shapes, sizes, focal lengths on a wide spectrum. The structure of lens can be Plano-convex, Plano-concave, Bi-convex, Bi-concave, Meniscus. They are widely used in medical, industry,

Model Number:LP

Brand Name:Non

Place of Origin:Guangdong, China

... Quartz Glass Bi-Concave Lens with AR Coating for High Precision Optical Applications Product Overview Plano Concave Lenses are optical components designed to diverge parallel light outward. These lenses feature negative focal lengths and negative ...

Place of Origin:China

Brand Name:Advance

Model Number:as requirements

Focal Length Concave Glass Nova Display Fiber Uncoated Plano-concave (pcv) Lenses Biconcave Lens Advance Optical-Electronics manufactures various shape and materials optical lens,Wide selection of optical lens includes spherical lens, aspherical lens,...

Brand Name:KESHILONG

Model Number:GD6046

Place of Origin:China

... Menu Design With Aluminium Case​ Features: 1. GD6046 Lensmeter can measure the single focal, Bi-focal and progressive lens simply, quickly and accurately 2. More accurately measurement under the Hartmann principle 3. QR code printing...

Brand Name:STAR OPTIC

Model Number:DCV

Place of Origin:Wuhan, China

... focal length and are best used to diverge a converging beam. Double-concave lenses can diverge a collimated beam to a virtual focus and are commonly ...