1.61 Hc Acrylic Semi Finished Single Vision Optical Lenses High Quality Danyang Lens

Semi-finished lenses are ready-to-wear lenses that can be used directly without any additional processing. They are made of lenses that have been cut to the desired size and shape. The semi-finished lenses are typically made of CR-39, polycarbonate and Trivex, and they come in a variety of shapes, such as spherical and aspherical, and in a variety of powers, such as single vision, double vision, progressive and bifocal. Semi-finished lenses are usually used in frames that are not compatible with other ready-to-wear lenses.
Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc
Classification: Lenses can be divided into the following five types according to different materials:
Resin lens special lens space lens glass lens PVC lens
The index of refraction refers to the refractive index of the lens, and the higher the index, the thinner the lens. Refractive index generally: 1.49, 1.56, 1.61, 1.67, 1.74.

BORIS OPTICAL is one of the most Potential Finished and Semi-Finished Optical Lenses factory located in Danyang City, China. It was establish in 2012 with covering 20000 spm and 150 employees. The annual production and sales of lenses are 30 million pieces, and the annual sales have exceeded 100 million for five consecutive years.
Our Key & Advantage Products:
Single Vision Lens:1.49;1.56;1.59;1.60;1.67;1.74
Bifocal Lens: 1.49; 1.56
Progressive Lens: CR-39; 1.56; 1.60
Functional Lens: Blue Cut, Photochromic; Photochromic +UV420 Blue cut; Sunglasses; Polarized; Polycarbonate
RX Service: Free Form; Special Coating; Special Power Range