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SIGMA
The large aperture wide-angle lens for close up photography. This large-aperture wide-angle lens is equipped macro focusing capability with a maximum magnification of 1:2.7 and fast F1.8 maximum aperture. The use of aspherical lenses are offered for superior peripheral brightness and compensation of aberrations and astigmatism. This is an ideal DG lens for Digital SLR cameras. Macro capability This lens is capable of Macro photography at minimum focusing down to 18cm (7.1 inch) (reproduction ratio 1:2.7). It incorporates the floating focus system in order to minimize distortion, spherical aberration and astigmatism, which provide high performance at all shooting distance down to 18 cm (7.1 inch). Reproduction ratio 1:2.7 and an angle of view of 84.1allow capturing of high quality images not only a subject but also the surrounding scenery. Large front element and Super wide-angle This lens has an advanced optical construction, in order to obtain adequate peripheral brightness at open aperture. Also, the iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. Handling This lens also incorporates a Dual-Focus (DF) mechanism. It is easy to hold the lens, since the focusing ring does not rotate during auto-focus, yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens. Also this allows the use of a Petal-type Hood , which is superior light blocking effect. Aspherical lens It incorporates a floating focus system and uses two aspherical lens elements for minimizing distortion, spherical aberration and astigmatism. Specifications: Lens Construction 10 Elements in 9 Groups Angle of View 84.1 degrees Number of Diaphragm Blades 9 Blades Minimum Aperture F22 Minimum Focusing Distance 18cm/7.1 in. Maximum Magnification 1:2.7 Filter Size Diameter 77mm Dimensions Diameter 83.6mm X Length 82.5mm Weight 485g
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SIGMA
Features minimum focusing, down to 20cm/7.9inches (reproduction ratio 1:2.9). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and the use of two aspherical lens elements to minimize distortion, spherical aberration and astigmatism. The lens incorporates minimum vignetting optical construction in order to obtain adequate peripheral brightness with open aperture. Internal focus system of the lens eliminates front lens rotation, thus allowing the use of a Perfect Hood and easy use of polarizing filters. The lens also incorporates a dual-focus mechanism. It is easy to hold the lens, since focusing ring does not rotate during auto-focus, and yet provides adequate torque of the focusing ring during manual focusing of the lens. The lens materials used in this lens are lead and arsenic free ecological glass.
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SIGMA
The large angle of view of the Sigma 12-24 4.5/5.6 EX DG ASPH Zoom (122 degree super wide angle of view at 12mm along the diagonal axis) is ideal for shooting indoors as well as landscape photography. It has a variable angle of view from 122 degrees to 84.1 degrees. Four Special Low Dispertion (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 100mm full-length, and 87mm Maximum Diameter. It is equipped with an Inner Focusing System that will keep the length of the lens unchanged, while controlling aberration. The models which are equipped with the HSM (Hyper Sonic Motor) System (only in Nikon, Canon and Sigma Camera Mounts) offer Full Time Manual Focusing. It has a minimum focusing distance of 28mm at all focal lengths. This lens is equipped with an integral Petal-Type Hood, to block out extraneous light.Features: First Zoom lens that has 122 degree Diagonal Angle of View at 12mm Focal length ! Variable Angle of View, from 122 degrees to 84.1 degrees Equipped with 4 piece SLD glass elements and 3 pcs. Aspherical lenses, producing a high level of optical performane. Inner Focusing System insures the length of the lens remains unchanged, whilst controlling Aberration. HSM System (in Sigma Nikon & Canon Camera mounts only) with Full Time Manual Focus. Minimum Focusing Distance of 28cm at all focal lengths. EX DG Series , the Ideal lens for Digital SLR Cameras Lens Technology Explained: ASP (Aspherical Lens)The aspherical lens complex allows freedom of design, improved performance, a reduced number of component lenses and a compact size. HSM (Hyper-Sonic Motor)This lens uses a motor driven by ultrasonic ...
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Canon
An incredibly compact, wonderfully bright and precise extreme wide angle zoom / Close focusing to less than one foot
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Nikon
Includes NIKON's built-in CPU and distance signal features / Also features A-M switch / Built-in flower shaped lens hood
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SeaLife
This SeaLife(r) wide-angle lens is designed to allow you to capture wide-angle reef scenes and group shots from a close distance. It's optically-coated and tuned to bring out richer colors in blusih underwater light conditions.
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Nikon
For 35mm Nikon SLR Cameras / Fast, Wide-Angle Lens / Accepts 72mm Size Filters / SPECIAL ORDER ONLY
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Sony
A wide-angle lens with uncommon accuracy and extraordinary depth of field. The SAL-20F28 lens delivers a super-wide 94° angle of view, corrects visual aberrations from about 10 inches to infinity, and provides deep depth of field for complex shots that maintain sharp focus in both close foreground and far background. Mounted on your Sony α (alpha) DSLR camera, this beautiful wide-angle lens achieves a 70° angle of view with 30mm focal length (35mm equivalent).
FEATURES:
- Amazing Visual Accuracy - Advanced correcting techniques for optical distortion create visually accurate shots with minimum aberration--so foreground and background are both represented as actually seen.
- Clear, Sharp Imaging - With sophisticated optical coating to prevent internal reflection, this wide-angle lens achieves superb clarity and definition.
- Deep Depth of Field - The ability to keep both close foreground and distant background in critically sharp focus.
- Rear Focusing System -Lens elements at the rear of the lens move to increase autofocus speed and help you catch quick action.
- Circular Aperture - Conventional lenses close their apertures with blades that can create multi-sided shapes--but the aperture blades of this superb wide-angle lens form a near circle at the wide openings you'll use for low-light shots, so spotlight sources have a pleasing circular defocused effect.
- Front and rear lens cap
- SH0013 petal lens hood
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SIGMA
Sigma 24mm f1.8 EX DG Aspherical Macro is one of the EX Series lenses. This lens has a fast F1.8 maximum aperture with macro focusing capability of minimum focusing down to 18cm/7.1 inches (reproduction ratio 1:2.7). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and uses two aspherical lens elements for minimizing distortion and spherical aberration and astigmatism. Internal focus system eliminates front lens rotation, thus allowing the use of a Perfect Hood and the easy use of polarizing filters. The lens incorporates non-vignetting optical construction, in order to obtain adequate peripheral brightness even at open aperture. This is desirable for digital cameras. The lens also incorporates dual-focus mechanism. It is easy to hold the lens, since focusing ring does not rotate during auto-focus, and yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens. The lens materials used in this lens are lead and arsenic free ecological glass.
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SIGMA
CL) INT)15-30 F/3.5-4. 5EX DG IF Aspherical Ultra Wide Angle Zoom Lens for Nikon SLR Cameras
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CANON USA - DIGITAL CAMERAS
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Canon
Canon EF Autofocus Lenses Canon s reputation for excellence in optics has been well established for years. And with the introduction of EF lenses for the EOS, it s only getting better. EF Lenses have the largest diameter mount of any 35mm camera, which not only strengthens the whole system, but permits optical innovations never before possible. L-Series lenses have better sharpness and contrast because Canon uses aspherical elements to eliminate spherical aberrations. In addition, the L-Series telephotos use UD (Ultra-low Dispersion) glass to reduce chromatic aberration resulting in more accurate colors. A built-in Ultrasonic focusing Motor (indicated by USM) provides pro-quality AF speed with split-second accuracy. This ultra-wide-angle lens has the shortest focal length in the L-series. Element 2 is an aspherical lens to correct distortion. Other aberrations such as astigmatism are also corrected, resulting in ideal image quality. The lens has a fixed, petal-type hood and a gelatin filter holder at the rear.
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Pentax
Extra-low Dispersion (ED) glass lens for superior sharpness and color correction Responsive Quick-Shift Focus System allows instant shift from AF to MF The image circle is designed to match the CCD used in PENTAX digital SLRs Convert focal length to 21mm with *ist D Comes with a lens hood to minimize flare and ghost images
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SIGMA
Sigma 12-24mm f/4.5-5.6 EX Aspherical DG HSM for Canon
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SIGMA
This 20mm super-wide angle lens offers an angle of view of 94.5 and a large aperture of F1.8. It allows close-ups with a minimum focusing distance of less than 20cm and a working distance lens to subject of 6.5cm
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Panasonic
Wide angle 0.7x optical conversion lens for Panasonic DMC-FZ7 and DMC-FZ30 digital cameras
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SIGMA
Sigma 20mm f1.8 EX DG Aspherical RF is one of several EX Series lenses. It is the first 20mm Super wide-angle lens in the world with a large aperture of F1.8 and angle of view 94.5°. It has Macro focusing capability with a minimum focusing distance of 20cm/7.9inches (reproduction ratio 1:4). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates an aspherical lens element in the front as well as rear lens groups, to minimize distortion, spherical aberration and astigmatism. The lens has non-vignetting optical construction, in order to obtain adequate peripheral brightness with open aperture. This is especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation, thus allowing the use of a Perfect Hood and easy use of polarizing filters. The lens also incorporates dual-focus mechanism. It is easy to hold the lens, since the focusing ring does not rotate during auto-focus, yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens. The lens materials used in this lens are lead and arsenic free ecological glass.
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SIGMA
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SIGMA
This super-wide-angle lens is ensured minimal light-fall-off with superior peripheral brightness. The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. This is an ideal DG lens optimized Digital SLR camera. Minimum focus distance The minimum focusing distance of this lens is 20cm (7.9 inch) and it has maximum magnification of 1:4 with fast F 1.8 maximum aperture. The minimum focusing distance of 20cm (7.9 inch) and 94.5? angle of view allow close up photography surrounding the photographic subject. Handling The lens incorporates Dual-Focus (DF) mechanism. It is easy to hold the lens, since the focusing ring does not rotate during auto-focus, yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens. The rear focus system eliminates the need for the front of the lens to rotate, thus allowing the use of a Petal-type hood, which is superior light blocking effect. Incorporated aspherical lenses The use of aspherical lens elements in both of the front and rear lens groups effectively compensates for distortion, spherical aberration and astigmatism.
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SIGMA
Features minimum focusing, down to 20cm/7.9inches (reproduction ratio 1:2.9). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and the use of two aspherical lens elements to minimize distortion, spherical aberration and astigmatism. The lens incorporates minimum vignetting optical construction in order to obtain adequate peripheral brightness with open aperture. Internal focus system of the lens eliminates front lens rotation, thus allowing the use of a Perfect Hood and easy use of polarizing filters. The lens also incorporates a dual-focus mechanism. It is easy to hold the lens, since focusing ring does not rotate during auto-focus, and yet provides adequate torque of the focusing ring during manual focusing of the lens. The lens materials used in this lens are lead and arsenic free ecological glass.