Optical devices are typically categorized by their use of lenses or mirrors to manipulate light: : Use multiple lenses to magnify tiny objects.
: Use mirrors or prisms to see over or around obstacles. Modern & Industrial Applications optical device
: Use lenses or mirrors to view distant celestial bodies. Optical devices are typically categorized by their use
: Capture light to record images on film or digital sensors. optical device
: Correct vision by refracting light to focus it correctly on the retina.
Beyond simple viewing tools, optical technology is critical in high-tech industries: