Cameras are optical equipment. People have been using cameras for nearly two centuries.
Lenses, an intregral part of most cameras, have been used by people since the beginning of time,
because there is a lens inside everyones' eyeball. Optical
equipment is in use everyday,
including cameras and lenses, and there are thousands of photographs shot everyday worldwide.
People who like to take photographs frequently are called shutter bugs.
Lots of people enjoy taking snapshots of scenic wonders when they go on vacation.
