The members of the rock band look into the camera lensThe members of the rock band look into the camera lens
A group of armed fighters is reflected in the lens of a gas maskA group of armed fighters is reflected in the lens of a gas mask
The image of the object on a black-and-white background in the studioThe image of the object on a black-and-white background in the studio
Переднее стекло (или несколько передних стёкол) оптического прибора.