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What is the base curve of Semi-finished lens means?
What is semi-finished lenses? Factory has already injection cast one side of the blank lens,…
What are anti-fatigue lenses? Who are they suitable for these lenses?
In nowadays, with the wide use of electronic products, more and more people start to…
Why Do Lenses Scratch Easily and How to Solve It？
For lens distributors and wholesalers, scratches on lenses are a major cause of customer complaints.…
How Many Times Are Optical Lenses Inspected Before Delivery?
As a leading China optical lens manufactures, lens quality control is very important.It determined whether…
Why will the demands of 1.61 MR-8 blue cut SHMC gold lens huge increase?
The Dilemma of MR-8 Lenses: Mr-8 is created by Mitsui Chemicals, it is a high…
What are the options for High Index Lenses?
In recent years, with the development of the optics industry and technology. More and more glasses…
What factors might affect the delivery time of the lenses?
With the continues growing up of lens market. This is a common question among many…
What is the 1.59 PC lens? How is it difference with others optical lenses?
This is a question which confused many people who working in optical field. In this…
What is the the 1.61 PMMA optical lens? How is it compare to 1.56 / 1.61 MR-8 optical lenses?
As well know, China is exporting over 85% of optical lenses in the world. There’s…
