Optician Using Refracting Head To Check Eyesight
John Greim/science Photo Library
Eyes And Lenses Compared
Royal Astronomical Society/science Photo Library
Refracting Telescope #2
Science Photo Library
Refracting Telescope #1
Science Photo Library
Refracting Telescope
Science Photo Library
Light Refracted By A Semi-circular Block
Martyn F. Chillmaid/science Photo Library
Prism Refracting Light Into A Spectrum #4
Science Photo Library
Prism Refracting Light Into A Spectrum #3
Science Photo Library
Prism Refracting Light Into A Spectrum #1
Science Photo Library
Prism Refracting Light Into A Spectrum #9
Science Photo Library
Prism Refracting Light Into A Spectrum #7
Science Photo Library
Prism Refracting Light Into A Spectrum #6
Science Photo Library
Observers Using A Refracting Telescope
Universal History Archive/uig
Mounting For A Refracting Telescope
Universal History Archive/uig
Water Refracting Sunlight
Andy Davies/science Photo Library
Equatorial Coude' Refracting Telescope
Universal History Archive/uig
Large Refracting Telescope
Universal History Archive/uig
Light Refracted In Spilt Petrol
David Woodfall Images/science Photo Library
Light Refracted In Spilt Petrol #1
David Woodfall Images/science Photo Library
Light Refracted In Spilt Petrol #2
David Woodfall Images/science Photo Library
Lunar Halo Over Water
Luis Argerich
Newton's Optics #1
Middle Temple Library
Refraction #4
Lawrence Lawry
Refraction In A Glass Of Water #6
Science Photo Library
Newton's Optics
Science Photo Library
Rainbow And Anticrepuscular Rays
Dr Juerg Alean
Light Refraction With Biconvex Lens
Russell Kightley
Light Refraction With Plano-concave Lens #1
Russell Kightley
Water Droplet #3
Dr. John Brackenbury/science Photo Library
Water Droplet #4
Dr. John Brackenbury/science Photo Library
Rising Sun
Richard Bizley/science Photo Library
Wave Refraction
Russell Kightley
Light Refraction In Glass Block
Russell Kightley
Light Refraction With Biconvex Lens #2
Russell Kightley
Light Refraction And Internal Reflection
Russell Kightley
Light Refraction With Concave-convex Lens
Russell Kightley
Light Refraction With Concave-convex Lens #1
Russell Kightley
Light Refraction With Prism #1
Russell Kightley
Circumzenithal Arc #1
Eckhard Slawik
Railway Lines And Heat Haze
Mark Williamson/science Photo Library
Sunrise Showing Atmospheric Refraction
Mark Williamson/science Photo Library
Glass Prism And Spectrum
David Parker/science Photo Library
Rainbow Over Boab Tree
Paul Williams/science Photo Library
Glass Prism And Spectrum #1
David Parker/science Photo Library
Crystals #1
Victor De Schwanberg/science Photo Library
Light Refraction With Plano-convex Lens
Russell Kightley
Light Refraction With Biconcave Lens
Russell Kightley
Light Refraction With Biconcave Lens #1
Russell Kightley
Light Refraction With Plano-convex Lens #1
Russell Kightley
Light Refraction With Biconcave Lens #2
Russell Kightley
Light Refraction With Prism #2
Russell Kightley
Glass Cube Optical Component
Patrick Landmann/science Photo Library
22-degree Solar Halo
Stephen Burt/science Photo Library
Water Droplet #2
Dr. John Brackenbury/science Photo Library
Water Droplets #1
Dr. John Brackenbury/science Photo Library
Light Refraction With Plano-concave Lens
Russell Kightley
Light Refraction With Prism
Russell Kightley
Wave Refraction #1
Russell Kightley
Circumzenithal Arc
Eckhard Slawik
Light Refraction With Prism #3
Russell Kightley
Eclipse Shadows On A Wall
Tony & Daphne Hallas/science Photo Library
22-degree Solar Halo And Contrails
Stephen Burt/science Photo Library
Water Droplet #1
Dr. John Brackenbury/science Photo Library
Water Droplets
Dr. John Brackenbury/science Photo Library
Crystals
Victor De Schwanberg/science Photo Library
Water Drops
Dr. John Brackenbury/science Photo Library
Refraction With Biconvex Lens
Science Photo Library
Prism Dispersing Light Into Spectrum
Adam Hart-davis/science Photo Library
Double Rainbow
Paul Williams/science Photo Library
Light Refraction With Convex-concave Lens
Russell Kightley
Rainbow
Collection Abecasis
Astronaut And Bubble In Space
Nasa