Close view of round Fresnel lens for lighthouses, lights on in dark room Stock Image
by npershaj
Description
Close image of the glass prism making up Fresnel lens with lights on. Used in lighthouse beacons and lanterns to concentrate light from compact lamp into revolving light beams or flashes. Round shape, dark room, lights on.
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Keywords
- Fresnel lens
- lighthouse
- lights on
- dark room
- round
- optics
- glass
- prism
- beam
- light
- beacon
- bright
- crystal
- curved
- equipment
- flashlight
- fresnel
- geometric
- glassware
- glow
- illuminated
- lamp
- lantern
- large
- lens
- magnifier
- maritime
- metallic
- mirror
- nautical
- navigation
- physics
- reflection
- refraction
- sail
- science
- shiny
- spectrum
- spotlight
- steel
- technology
- textured
- fresnel pattern
- concentric circles
- retro
- bulb
- close-up