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A superlens, or super lens, is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is a feature of conventional lenses and microscopes that limits the fineness of their resolution depending on the illumination wavelength and the numerical aperture (NA) of the objective lens. Many lens designs have been ...
Canon 24-240mm F4-6.3, a superzoom lens. This is a list of superzoom lenses, sometimes referred to as all-in-one lenses, that are designed for mirrorless cameras.. There is no precise definition of superzoom, but lenses marketed as such usually have an optical zoom ratio greater than 7×. [1]
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The super lens or superlens is a practical structure based on John Pendry's work describing a perfect lens that can go beyond the diffraction limit by focusing all four fourier components. Pendry's paper described a theoretical novel lens that could capture images below the diffraction limit by employing the negative refractive index behavior ...
Sigma 18-200mm/3.5-6.3 DC lens attached to a Canon EOS 400D A Panasonic TZ18 compact digital camera's Leica lens with a maximum focal length of 384mm (35mm equiv.) and minimum of 24mm A superzoom or ultrazoom lens is a type of photographic zoom lens with unconventionally large focal length factors, typically ranging from wide angle to extreme ...
Canon PowerShot SX720 HS. This is a list of superzoom compact cameras, also known as travel zoom cameras. [1] [2] These are small fixed-lens "point-and-shoot" digital cameras that have a high optical zoom ratio.
The advent of the Biogon opened the way to more extreme wide-angle lenses. Bertele continued to develop his design, patenting an asymmetric wide-angle lens in 1952 that covered an astonishing 120° angle of view "and beyond, practically distortion free", by adding a strong negative meniscus front element to the Biogon design, showing influences from earlier fisheye lens designs, including the ...
Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.