Lens
Definition 1 of 4
Pro Tip 1/3
Optics Context
Remember 'lens' refers to physical objects that affect light in science or photography. The lens on his glasses helps him see clearly.
Pro Tip 2/3
Neutral Term
'Lens' is value-neutral, meaning it doesn't have a positive or negative connotation. I need a new lens for my camera before the trip.
Pro Tip 3/3
Interchangeability
A 'lens' can usually be changed or adjusted, especially in cameras or glasses. Could you swap the telephoto lens for a wide-angle one?