... ) Nd=1.499 3) Dia: 55-70mm4) Abbe value: 585) Specific gravity: 1.321) Product: Optical lens/lenses2) High scratch resistance3 ... ,HC,HMC,5) Reflective IndeX:1.4996) ABBE Value:587) Specific Gravity :1.32(B) BUSINESS TERMS & CONDITIONS1)Our Minimum Order ... products are passed the high test of CE and FDA,please see it in the Attachment.3Usually,we accept the payment term ...