1. Power marks printed on the lens surface
2. Adjustable PD scales engraved and color painted
3. Available supply: ±0.25D, ±0.50D, ±0.75D, ±1.00D, ±1.50D, ±2.00D
Shanghai Jianongda International Group
No.383,East Huancheng Road,Fengpu Industrial Zone,Fengxian,Shanghai,China.
0086-21-5740-7426/6715-8578
info@jianongda.comjianongda@vip.sina.com