1.This is an environment-resistant model of LM3NC1M with ultra-wide angle lens,
which added vibration and impact resistance, waterproofing and dustproofing
performance.
2.Mechanical design with the enhanced water resistance and dustproofin.
3.A special coating improves water repellence on the lens surface and cleaning
ability.
4.Interchangeable iris plates are used.
5.Two way reversible nut is utilized for focus adjustment.
6.The lens barrel and lens are fixed using adhesive.