Nikon has developed its own plastics and molding technology for PAG, and now manufactures large-diameter, high-precision lenses with large aspherical lens surfaces in volume and at low cost.

• 尼康开发了自行研究的模铸技术用以制造符合非球面镜，现在可以制造大直径高精度的非球面镜片，而把大量的成本降低到一定程度。