01从外观来看,M118VG413IR的83.17(长)×64.5(高)×51.6(前镜筒直径)mm“三围”尺寸明显比多数C接口镜头要大,但依旧能清晰的感受到该款镜头设计的精密与考究的工艺。全黑硬化塑料材质作为镜头的外壳材质,使得镜头整体轻便之余又拥有高标准的硬度与化学稳定性。前镜筒上方贴有镜头参数标识,让用户一目了然的了解到该镜头的技术规格。镜头的螺杆旋钮作为焦距与聚焦的手动调节杆,有助于准确的调焦和聚焦,同时也有利于对镜头焦距的固定,不会 01 From the outside, the M118VG413IR’s 83.17 (L) x 64.5 (H) x 51.6 (L) (front barrel diameter) mm “measurements ” size is significantly larger than most C-mount lenses but still clearly recognizable Lens design of sophisticated and sophisticated technology. All black plastic material as a lens shell material, making the whole lens while the lightweight and has a high standard of hardness and chemical stability. The front of the lens attached to the lens parameter identification, allowing users to understand the lens at a glance the technical specifications. Lens screw knob as focus and focus manual adjustment lever, help to accurately focus and focus, but also conducive to the lens focal length is fixed, will not