它具有不变形，几乎立即关注，它的尼康上最小最轻的镜头。
It has no distortion, focuses almost instantly, and it's Nikon's smallest and lightest lens.
复合成型后的材料不仅具有不变形、抗弯曲强度大，防水、防火及耐酸碱的特性。
The finish material are no distortion, no bending, water proof, fire proof and anti corrode from acid and alkaline.
帝元钢球具有精确的尺寸、圆整的几何形状，很高的硬度和良好的机械性能并具有耐磨损、不变形、不开裂的优异品质。
Diyuan steel ball is with precise dimensions, roundness of the geometric shape, high hardness, good mechanical properties and good wear resistance, no deformation, no breakage etc excellent quality.
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