Compact, wide-angle lens which enables tilt and shift movements. The floating optical system, with an aspherical lens element, corrects distortion and other aberrations. High image quality and compactness are the result. Great for architecture, landscapes and other wide-angle shots.
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Super Multi Coating reduces flare and ghosting that tends to occur when using digital SLR cameras. This ultra wide angle zoom lens offers 122 degree super wide angle of view along the diagonal axis.
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Sigma will always be guaranteed a place in the history books as pioneers of the wide-angle zoom lens. Our advanced super wide angle technology was developed far earlier than any of our competitors. Sigma designed and produced the first wide-angle zoom lens, the "zoom gamma 21-35mm F3.5-4.2", in 1979. The wide-angle zoom category didn't even exist before this date. The market comprised only standard and telephoto zoom lenses with most people believing that wide angle zooms were impossible to develop. However Sigma's advanced design and pioneering technology went on to prove them wrong and strongly influence subsequent product development.Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of molded glass and three aspherical lenses, including two molded glass aspherical lens elements, offer excellent correction for linear distortion as well as all types of aberration. It is an ideal lens for Digital SLR Cameras as well as film SLR cameras.Equipped with Hyper Sonic Motor (HSM) for Sigma, Nikon and Canon. It is easy to revert to Manual Focus by simply turning the focusing ring and overriding the AF. An inner focus system provides high performance and convenience. The non-rotating lens barrel perfectly suits the matched petal shaped lens hood. A circular polarizing filter can also be used conveniently. 12-24mm F4.5-5.6 EX DG lens offers a minimum focusing distance of 28cm/11in. at all focal lengths. The super-wide angle's useful range of view offers the photographer greater freedom of expression. This lens is equipped with a fixed Petal-type hood to obtain a superior extraneous light-blocking effect.
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The large angle of view (122 degrees super wide angle of view at 12mm along the diagonal axis) is ideal for shootings indoor as well as landscape photography. It has a variable angle of view from 122 degrees at 84.1 degrees. Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration. By effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 3.9 inches full-length, and 3.4 inches maximum diameter.
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Sigma will always be guaranteed a place in the history books as pioneers of the wide-angle zoom lens. Our advanced super wide angle technology was developed far earlier than any of our competitors. Sigma designed and produced the first wide-angle zoom lens, the "zoom gamma 21-35mm F3.5-4.2", in 1979. The wide-angle zoom category didn't even exist before this date. The market comprised only standard and telephoto zoom lenses with most people believing that wide angle zooms were impossible to develop. However Sigma's advanced design and pioneering technology went on to prove them wrong and strongly influence subsequent product development.Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of molded glass and three aspherical lenses, including two molded glass aspherical lens elements, offer excellent correction for linear distortion as well as all types of aberration. It is an ideal lens for Digital SLR Cameras as well as film SLR cameras.Equipped with Hyper Sonic Motor (HSM) for Sigma, Nikon and Canon. It is easy to revert to Manual Focus by simply turning the focusing ring and overriding the AF. An inner focus system provides high performance and convenience. The non-rotating lens barrel perfectly suits the matched petal shaped lens hood. A circular polarizing filter can also be used conveniently. 12-24mm F4.5-5.6 EX DG lens offers a minimum focusing distance of 28cm/11in. at all focal lengths. The super-wide angle's useful range of view offers the photographer greater freedom of expression. This lens is equipped with a fixed Petal-type hood to obtain a superior extraneous light-blocking effect.
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The large angle of view (122 degrees super wide angle of view at 12mm along the diagonal axis) is ideal for shootings indoor as well as landscape photography. It has a variable angle of view from 122 degrees at 84.1 degrees. Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration. By effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 3.9 inches full-length, and 3.4 inches maximum diameter.
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Lens making is an art - Nikon artisans craft Nikkor optics from the finest materials, taking pride in adding their intellect and technique to bring the world's finest lenses to life. They push the leading edge of lens making, harder and harder, in their effort to provide the "glass" that makes the world's greatest pictures.PRODUCT FEATURES:Designed for Nikon D-Series digital SLR;Design enables a combination of wider angle-of-view with optical characteristics that are optimized for Nikon digital SLR camera sensors;2X Zoom ratio and variable angle-of-view from 99? at 12mm to 61? at 24mm;Comparable to that of an 18-36mm lens on 35mm size sensor format;Nikon design that produces a smaller image circle (the size of the image that is projected by the lens on to the sensor) enabling smaller lens diameter, and optimal image quality from center-to edge-to-corner on the image;Exclusive Silent Wave Motor enables ultrahigh-speed autofocusing with exceptional accuracy and powerful super-quiet operation;2 Extra-Low Dispersion (ED) glass elements for minimized chromatic aberration;3 Aspherical lens element for low distortion Internal Focusing (IF) design for smoother focusing and great body balance;M/A mode enables instant switching from autofocus to manual with virtually no time lag even during AF servo operation;Nikon D-type design provides precise distance information for flash and ambient light exposure processes;Rounded diaphragm to make out-of-focus elements appear more natural;DX Nikkor is designed exclusively for use with Nikon Digital SLR models;11.8 close focusing distance throughout zoom range.
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With Extra-low Dispersion (ED) glass lens element and two aspherical lens elements, the lens offers more true-to-life image reproduction. The image circle in DA-series lenses is designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in PENTAX digital SLRs to optimize camera performance. The new design also contributes to a drastic reduction in size, weight and production cost, compared to 35mm-format counterparts with similar specifications.
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Large aperture zoom starting from 24mm and realizing a maximum aperture F-value of 2.8 As for the front element does not rotate at the time of focusing.
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Large aperture zoom starting from 24mm and realizing a maximum aperture F-value of 2.8 As for the front element does not rotate at the time of focusing.
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