Spheric Lens

Product Detail

Quick Details


Place of Origin	Danyang, Jiangsu, China (Mainland)
Brand Name	Just
Model Number	spheric lens
Quality Grade	A or B Grade
Lens Material	Resin
Vision Effect	Single Vision
Coating	HMC
Coating Color	Green/Blue/Magenta
Lens Color	Clear
Reflective Index	1.56
Abbe Value	34
Diameter	72MM for minus/minus power      65MM for plus/minus power
Gravity	1.28
Design	Spheric
Certification	CE/FDA/ISO9001




Finished Spheric Power Range

MINUS 72MM: -0.00 ~ -6.00/-0.00 ~ -2.00

-6.25 ~ -10.00/-0.00 ~ -2.00

-0.00 ~ -6.00/-2.25 ~ -4.00

PLUS 65MM: +0.25 ~ +6.00/-0.00 ~ -2.00




Flowchart






Step:

1.Ingredients : ready the material of lens and mix according to formula , (formula is a secret )

2.Filling in model and first curing : filling the monomer into model , then put into curing machine , after some hours with high temperature , it will be solid

3.Open model : use machine to open model , and take out lens , the model is recycle , can be used many time until broke

4.Cutting lens edge : the original lens edge is not smooth , so have to cut with specific knife

5.Clean len : after cutting , will much dusty , so have to clean with specific water and liquid

6.The first checking : when there is no dusty on lens , will do the first checking , elect the good lens to do next step , the bad one will be threw away

7.Clip and clean lens : clip the good lens with tool and do one more time cleaning ,

8.HC coating : put the cleaning lens into HC machine , there are a lot specific liquid , have to be in one by one ,

9.second curing : after HC , will have to go to another curing machine , after high temperature , the specific liquid will be on surface stable , it will protect lens from scratch

10. The third checking : checking again , due to maybe have some liquid dots on it , it can not be moved ,so have to check and elect ,

11.HMC coating : once finish HC , will go to do HMC , it will refective bad ultraviolet ligth and reduce scratch

12. The fourth checking : after HMC ,we have to check to make sure the coating is ok , if not ok , will have to redo or threw away

13.The blank Package and store in warehouse : for factory , we put lens into blank envelope with power , then keep in warehouse ,

14. The fifth checking and Packing with clients’ envelope before shipment : once get order from customers , we will elect lens from warehouse , check quality and replace evelope , after these step ,will can send out.