It is 30% bigger than the previous large lens and has the wide welding field of view. It can secure a wide welding field of view with the minimum movement at work and increases the work efficiency. The AEGIS automatic electron welding helmet meets all the essential requirements needed in all welding conditions with its fitting, stability, adjustment of each function and comprehensive functions of the automatic window shade. Both hands are free and the part to be welded can be seen precisely with the transparent lens (Shade #3) before welding.