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LUCKY REWARDS
SF 1.56,T6 1.56,1.591PC Photo Grey,Brown Lens Progressive UC,HC,HMC,SHMC
Home / Product / Optical Lenses / Semi Finished Lens & Blank / SF 1.56,T6 1.56,1.591PC Photo Grey,Brown Lens Progressive UC,HC,HMC,SHMC
SF 1.56,T6 1.56,1.591PC Photo Grey,Brown Lens Progressive UC,HC,HMC,SHMC

SF 1.56,T6 1.56,1.591PC Photo Grey,Brown Lens Progressive UC,HC,HMC,SHMC

This progressive photochromic lens combines multifocal design with photochromic technology, providing smooth distance, intermediate, and near vision while automatically adjusting grey or brown tint based on lighting conditions. HC, HMC, and SHMC coatings enhance scratch resistance, anti-fouling, and anti-reflective performance, ensuring clear and comfortable vision. Available in refractive indices of 1.56, T6, and 1.591, it accommodates various prescriptions. The semi-finished design allows versatile optical processing and compatibility with multiple frame styles. Ideal for daily life, office work, and outdoor activities, this lens combines progressive multifocal functionality with intelligent photochromic technology, delivering all-day visual protection, natural, comfortable, and clear vision.

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  • Parameter
Parameter
1.56 S/F Photochromic Progressive Lens 12mm
Diameter Nominal curve T.C. (Actual curve) Rad (Base Curve Radius) Back Curve E.T. (Edge Thickness) C.T. (Center Thickness) MRP Dec. Seg Inset Fitting Cross above MRP Sag (桅50) Add Range Rx Range Recommended
70mm 100 1.39849 378.98 6 12 6.5 8 2.25 2 0.82 +1.00~+3.50 -3.25~-6.00D
70mm 300 3.40507 155.65 6 8.5 5.5 8 2.25 2 2.02 +1.00~+3.50 -3.00~-3.00D
70mm 500 5.09525 93.06 6 8.5 8.7 8 2.25 2 3.42 +1.00~+3.50 +3.25~+5.00D
70mm 700 7.75307 68.36 6 8.5 11.3 8 2.25 2 4.73 +1.00~+3.50 +5.25~+6.00D
1.56 S/F Photochromic Progressive Lens 14mm
Diameter Nominal curve T.C. (Actual curve) Rad (Base Curve Radius) Back Curve E.T. (Edge Thickness) C.T. (Center Thickness) MRP Dec. Seg Inset Fitting Cross above MRP Sag (桅50) Add Range Rx Range Recommended
70mm 200 2.73618 193.7 6 9.7 6 8 1.97 2 1.62 +1.00~+3.50 -3.25~-6.00D
70mm 400 4.20568 126.02 4.25 7.5 8 8 1.97 2 2.5 +1.00~+3.50 -3.00~-3.00D
70mm 600 6.26329 84.62 6 7.5 8.2 8 1.97 2 3.77 +1.00~+3.50 +3.25~+5.00D
70mm 800 7.70236 68.81 6 6.5 9 8 1.97 2 4.7 +1.00~+3.50 +5.25~+6.00D
1.56 S/F Photochromic Progressive Lens 17mm
Diameter Nominal curve T.C. (Actual curve) Rad (Base Curve Radius) Back Curve E.T. (Edge Thickness) C.T. (Center Thickness) MRP Dec. Seg Inset Fitting Cross above MRP Sag (桅50) Add Range Rx Range Recommended
75mm 200 2.73618 193.7 6 11.6 7.6 8 1.97 2 1.62 +1.00~+3.50 -3.25~-6.00D
75mm 400 4.20568 126.02 4.25 9.3 7.2 8 1.97 2 2.5 +1.00~+3.50 -3.00~-3.00D
75mm 600 6.26329 84.62 6 7 8 8 1.97 2 3.77 +1.00~+3.50 +3.25~+5.00D
About
Thinkey Optical Co.,Ltd.
Thinkey Optical Co.,Ltd.

Thinkey Optical Co., Ltd. is a joint venture with over 20 years of expertise in manufacturing a wide range of optical lenses. Our facility spans 40 acres, with a production area of 20,000 square meters. Located in Duqiao Town, Linhai City—a coastal area of Zhejiang Province,Thinkey Optical employs approximately 200 workers and operates 6 advanced machines imported from Korea, as well as Satisloh RX equipment from Germany. Our daily production capacity reaches 30,000 pairs of high-quality lenses.

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