Find high quality spheric lens with competitive price here. Please rest assured to buy spheric lens with Jiangsu Junshi Optics Co.,Ltd

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.