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3D rendering of Concave and convex lens on black background
The second tallest tower in the country with its height of 421 m. It stands on a hill in the city center in Kuala Lumpur
Abstract stroke circles. Computer generated 3d render
Close-up of mechanical equipment parts
transparent blue some metal frame cloudy lens abstract delicate and atmospheric Elegant and Modern 3d rendering background material High quality 3d illustration.
Picture frame in circle shape
An illustration of a diagram of Continuous spectrum illustrating the process of light refraction through a photon lens
Geometrical interplay between pyramid and sphere: 3D digital illustration
Sumida Tokyo Japan, 20 December 2012: Closeup View of the top of Tokyo Skytree Neofuturistic television and radio broadcast supertall tower with clear blue sky
Optical lenses for photography, optical technology, light and color control science
3D illustration of Building in concept
Abstract glowing circular Background
Old simple spherical lens with one convex surface and other flat surface, so-called plano-convex lens in the metal frame on a gray background
3D rendering illustration of a plastic hose cap
An interior section of a UFO hidden from the public. Extraterrestrial high-tech vehicles have been visiting Earth for some time now. However, official institutions have not yet clarified this situation. 3D illustration depicting the exterior of a ufo with antigravity technology. / You can see the animation movie of this image from my iStock video portfolio. Video number: 1446464458
Creative abstract professional photographic equipment technology concept: 3D render illustration of the group of various diameter neutral density UV polarizer or polarizing protect and circular polarizing type optical glass filters accessory for digital photo camera or video camcorder lens isolated on white background
Tokyo Sky Tree
Black and white  photographic image depicting overlapping image circles as a special symbol on a white background.
Kodak Vintage Disc Camera Negative, scanned and transferred into jpg.
An illustration of discontinuous spectrum, occurs when excited atoms emit light of certain wavelengths,
Solar radiation analysis of a public building. Multipurpose common public space analysis with parametric louvers to control sun exposure and radiation.
torus,ring
3D rendering illustration of a metallic milk jug
Abstract  circular Background
magnifying glass isolated on a white background. 3d render
A set of gold cones of different shapes and designs. Realistic cast geometric shapes in the form of cones made with a golden gradient isolated on a white background. Vector 3d objects
abstract bright inflate effect geometric structure plastic 3D background
Free Images: "bestof:Ptp p102 img02.png en Second illustration on page 83 102 captioned Cone Pattern of Lens Hood 2011-04-26 http //www archive org/details/PhotographyTheoryAndPract..."
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