Convex traffic mirrors at a crossroads
Fresnel and Bi-Convex Lens Simulation
Light rays and convex prism
Light passing through prism
Visible and Infrared Survey Telescope for Astronomy, Chile
European Southern Observatory, La Silla, Chile
Very Large Telescope, Paranal Observatory, Chile
空を写す道路脇の鏡
Reflected spring
Trichroic prism
Parallel light rays reflected by a mirror
Prism and Spectrum
6 Prisms reflecting spectral colours
Prism refracting visible light spectrum
Crossed Prisms with Spectra
Prism and 3 Spectrums
Multiple prisms with spectra
Prism dispersing light into spectrum
道路のカーブミラー
Lighting paper using the sun's rays
Research Microscope computer artwork
Light microscope stage and lenses
Light microscope and slide
Light microscope
Military optical components
Glass cube optical component
Light rays and concave prism
Light rays and semi-circular prism
Light rays and triangular prism
Single clear prism
Prism and Spectrum abstract
Newtonian prism arrangement
Hi Dispersion Prism
3 Prisms with refracted sprectra
2 Prisms and refracted spectra
Prism abstract
Reflection in road mirrors, close up
Reflections
James Webb Space Telescope mirror
Stephan's quintet
カーブミラー
Telescopes at an observatory with the Milky Way
Self-portrait reflected in metal ball in garden
LIGO gravitational wave detector optics
Lens flare
Antique Mirrors
Ray of light striking prism at angle
Potentilla fruticosa PRINCESS =Blink
William Herschel telescope
Moon and clouds over observatory
Refraction of light by plano-concave lens
Light dispersion experiment
カメラのレンズ
Fibre optics manufacturing
Binoculars under x-ray
Ernst Abbe, German physicist
Optical fibres
Title page of Isaac Newton's 'Opticks'
Nordic Optical Telescope, La Palma
Lens curvature testing
William Herschel Telescope at night
McMath Solar Telescope
Telescopes
Lunar eclipse
建物の門柱に設置した交通安全のためのミラー
新緑映る鏡
道路のカーブミラーと青空
カーブミラーと青空
Rainbow over trees
Forsythia stem, light micrograph
Fern stem, light micrograph
Grass stem, light micrograph
Beine-Nauroy observatory, France
Reflextion Of Window Blinds
milky way on lake
Portrait of James Short, telescope maker, 1710-68
Camera lenses
Air bubbles in liquid, light micrograph
Refraction
Effects of lack of sunlight on plant
Mayall 4m telescope dome, Kitt Peak
Telescopes, Canary Islands
Telescopes on La Palma, Canary Islands
望遠鏡
Optical glass cube
Optical glass cubes
Optics experiment
Microscope stage and lenses
Light microscope and slides
Anti-reflective coating for camera lenses
Colour-changing fibre optic light
Fibre optic light
Fibre optic light, long exposure
Contact lenses made of glass, 1930s
Portrait of Isaac Newton with spectrum
Convergence and divergence
Tesla oscillator, 1890s
Californium-252, historical image
ATHENA X-ray space telescope mirror module
Observatory telescopes with the Milky Way, full-dome image
Observatory telescopes with star trails, full-dome image
Triangulum Galaxy, 19th century
Kitt Peak National Observatory
The Plough in Ursa Major, optical image
Milky Way over Kitt Peak Observatory
Cassegrain telescope in observatory
Supernova remnant SNR 0454-67.2, Hubble image
Vera C Rubin Observatory, Chile, fishyeye view at night
バックミラーに写った青空
街角のカーブミラー
自動車の車窓
Fibre optic cable
青空
Birch stem, light micrograph
Dahlia stem, light micrograph
Nettle stem, light micrograph
Plant tissue, light micrograph
Telescopes at dusk, La Palma
Binocular microscope
Artificial eye lens
Fern stalk, light micrograph
Cypress tree stalk, light micrograph
Radiator plant (Peperomia sp.) root hairs, light micrograph
Serbian spruce (Picea omorika) needle, light micrograph
Xylose crystals, light micrograph
Broccoli, polarised light micrograph
Red alga and diatoms, polarised light micrograph
Diatoms on the surface of a sand grain, light micrograph
Pepper internal layer, light micrograph