Presented here is a bifocal 1.523 single-vision lens in round shape. It is well made of high-quality mineral material. It is available in either white or HMC+EMI coating.

• Material: mineral.
• Refraction index: Nd=1.523.
• Abbe Value: 58.
• Transmission for white light: >91%.
• Diameter: 65, 28mm.