This is a true fisheye lens when used with 35mm film and full size CCD sensors giving a full 180 degree diagonal field of view. If used with smaller CCD cameras on most current digital SLRs it will still give a very wide angle though less than 180 dregrees. Digital and film compatibleThe DG range from Sigma is designed to work with full 35mm film frame and smaller CCD sensors. The special arrangement on DG lenses ensures that light hitting the CCD sensor suffers as little internal reflection within the sensor as possible meaning that recorded images will be clearer.Close ShootingThe minimum shooting distance of 15cm allows great opportunities for exciting perspective in closeup images, giving excellent depth of field coupled with a wide field of view.Gelatin Filter HolderThis lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters.SpecificationsLens Construction: 7 Elements in 6 GroupsAngle of View: 180 degrees (for 24x36mm frame) Number of Diaphragm Blades: 7 Minimum Aperture: F22 Minimum Focusing Distance: 15cm Maximum Magnification: 1:3.8 Filter Size: Rear (Gelatin Filter) Dimensions: Diameter 73.5mm X Length 65mm Weight: 370g

The 1.4x EX converter is placed between the lens and the camera, and it allows the photographer to use the 70-200mm f/2.8 lens as a 98-280m f/4 lens, and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not affected.Lens construction: 5 elements in 3 groupsFocal ength: 1.4x that of a master lensAperture coupling range F2.8 - F32Reproduction ratio 1.4x that of a master lensDimensions 68.5 x 19.5mmWeight 143g

The 1.4x EX converter is placed between the lens and the camera, and it allows the photographer to use the 70-200mm f/2.8 lens as a 98-280m f/4 lens, and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not affected.Lens construction: 5 elements in 3 groupsFocal ength: 1.4x that of a master lensAperture coupling range F2.8 - F32Reproduction ratio 1.4x that of a master lensDimensions 68.5 x 19.5mmWeight 143g

The 12-24mm F4 DG HSM | Art Lens is an ultra-wide-angle zoom lens that is perfect for ultra-high resolution, full frame cameras. It offers anoptimal package of centre-to-edge image quality, minimized distortion, and minimum focusingdistance. To achieve these qualities without compromise, SIGMA has leveraged its lens designexpertise and all of its leading-edge technologies. Advanced materials such as low-dispersion glassplay a crucial role, while SIGMA’s advanced lens processing methods have made possible an asphericallens of extremely large diameter. Outstanding image qualityThe new SIGMA 12-24mm F4 DG HSM | Art leverages SIGMA’s accumulatedexpertise in the processing and manufacture of aspherical lenses and incorporates multipleaspherical lenses produced with precision glass molding. The lens also features lens elements madewith FLD (“F” Low Dispersion) glass, which is equivalent to fluorite in performance, and an optimizedpower distribution. Together, these features help minimize distortion, transverse chromatic aberration,and coma flare. As a result, image quality is outstanding across the image, all the way to the edges.F/4 brightness throughout the zoom rangeWith F/4 throughout the zoom range, this lens is one stop brighter than conventional lenses.Photographers can now use a higher shutter speed that will crisply capture leaves fluttering in thebreeze and other quick-moving subjects. A constant aperture during zooming also makes this lensexceptionally easy to use.Newly designed HSM for nimble AF controlThe newly designed Hyper Sonic Motor (HSM) is large, offers 1.3 times the torque of its predecessor.Even at low speeds, it offers exceptionally stable performance.

Fisheye lens with close up ability designed exclusively for use with APS-C size digital SLR cameras. This autofocus fisheye lens is designed for use with digital SLR cameras equipped with APS-C size image sensors. The Nikon version produces a diagonal angle of view of 180° (154° for Sigma, 167° for Canon). The diagonal field of view of this fisheye lens produces striking images with exaggerated perspective and distortion. Close-up Photography The minimum focusing distance of 13.5cm, and maximum magnification 1:3.3 allows subjects to be as close as 1.8cm from the lens’ front element. The close focusing capability together with a large depth of field allow close up photography that covers objects surrounding the photographic subject. Excellent optical performance The Integral hood blocks out extraneous light and the Super Multi-Layer Coating minimizes flare and ghosting, creating superior image quality. High speed auto focus It is equipped with an inner focusing system that creates high definition and excellent image quality over the whole frame. The HSM(Hyper Sonic Motor)ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring. Fast F2.8 maximum aperture The fast f/2.8 maximum aperture produces a bright image in the viewfinder making this lens ideal for low light photography. Ideal for panoramic and scientific applications This lens is ideal for photographers using computer stitching software which requires circular fisheye images to be input, resulting in stitched panoramas. Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific applications such as solid angle measurements of cloud distribution over the sky, or vegetation distribution of the rain forest canopy. Gelatin Filter Holder This lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters. Specifications: Lens Construction = 12 Elements in 7 Groups Number of Diaphragm Blades = 7 Blades Minimum Aperture = F22 Minimum Focusing Distance = 13.5cm Maximum Magnification = 1:3.3 Filter Size = Rear (Gelatin Filter) Dimensions = Diameter 75.8mm x Length 83mm Weight = 475g Whats in the box? 10mm f/2.8 EX DC HSM Diagonal Fisheye Fitted Padded Case Front and Rear Caps Filter Template Instruction Manual 1 Year Warranty Card 2 Year Extended UK Warranty Card For Digital SLR Camera Lens Compatability - see Sigma Link: http://www.sigma-photo.co.jp:80/english/lens/digital/match.htm

From 300mm telephoto to 800mm ultra-telephoto this lens provides a constant fast maximum aperture and is optimized for digital SLR camerasThis lens covers the telephoto range from 300mm to the ultra-telephoto range up to 800mm. By continuously varying the angle of view from 8.2° to 3.1°, the lens takes a lot of the footwork out of picture composition.Lens coating reduces Ghost and FlareThe multi-layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum colour balance.Equipped with ELD (Extra Low Dispersion) glass elementsTwo ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast. HSM (Hyper Sonic Motor)HSM provides silent, high-speed and precise auto-focusing with full time manual focus override.Drop-in filterThe lens features a drop-in 46mm filter holder in the rear part of the lens barrel, which can be rotated to facilitate the use of filters.Internal Focusing and Internal ZoomingSince focusing and zooming do not change its overall length, this lens is easy to hold and use. Specification:Lens Construction: 18 Elements in 16 GroupsAngle of View: 8.2-3.1 degreesNumber of Diaphragm Blades: 9Minimum Aperture: f/32Minimum Focusing Distance: 600cmMaximum Magnification: 1:6.9Filter Size: 46mm (drop-in type)Dimensions: Diameter 156.5mm x Length 544mmWeight 5880g

The Sigma f/1.4 DG HSM Art delivers outstanding resolution and superb attractive bokeh effect. The bokeh effect is so precise, you can focus on the pupil of the subject’s eye while blurring the eyelashes. Adding to the effect, the area in focus is extremely high-resolution while the bokeh area is very attractive inappearance. The SIGMA 85mm F1.4 DG HSM | Art incorporates 14 lens elements in 12 groups, aremarkable structure that helps the lens deliver ultra-high-resolution. This lens is therefore anexcellent match for full-frame DSLRs.The ultimate lens for portraitsBy taking chromatic aberrations to the absolute minimum, this lens offers performance that goes beyond,including incredibly sharp resolution and a beautiful bokeh effect.Image quality perfect for ultra-high-megapixel digital camerasThe SIGMA 85mm F1.4 DG HSM | Artincorporates two elements made of SLD (Special Low Dispersion Glass) and one elementwith a high rate of anomalous partial dispersion and a high index of refraction. Thesefeatures help ensure a clear image throughout the plane. The optical system also minimizes sagittal coma flare for outstanding image quality without streaking even at wide-open aperture.Newly designed HSM for nimble AF controlThe newly designed Hyper Sonic Motor (HSM) offers 1.3 times the torque of its predecessor.Even at low speeds, it offers exceptionally stable performance, and the updated AF algorithm helps ensure nimble autofocus performance. In addition, full-time manual focus override allows the lens to be switched to manual focus simply by rotating the focus ring—even during continuous AF. The user can quickly find the perfect focus without needing to touch the focus mode switch.

The Sigma 500mm F4 DG OS HSM Lens incorporates Sigma’s latest technologies and delivers a full range of advanced features and functions: enhanced dust- and splash-proof construction, Optical Stabilizer (OS)system, SIGMA Tele Converter compatibility, AF function switch, SIGMA’s latest-generation HyperSonic Motor (HSM), and more. Enhanced dust/splash-proof constructionDesigned for top performance in tough shooting conditions, the SIGMA 500mm F4 DG HSM |Sports features highly effective dust- and splash-proof construction. The front of the lensfeatures a water- and oil-repellent coating that allows water to be wiped away easily and helpsprevent oil from sticking to the surface. This feature is particularly useful when shooting in adrizzle or near ocean spray.Magnesium alloy barrelTo help minimize the weight associated with a hyper telephoto lens, the lens barrel ismade with a magnesium alloy. Both lightweight and tough, this alloy contributes to theoutstanding maneuverability of SIGMA 500mm F4 DG HSM | Sports.Tripod socket with 90° click stopsSince photographers often prefer to use a hyper-telephoto lens with a monopod or tripod, thelens features a large and extremely stable tripod socket. Antistatic nickel plating on the socket parts help enhance the quality and durability ofthe 90° click stops, which make it easy to switchbetween vertical and horizontal shooting positions.The click position may be canceled by turning offthe “de-clicking” switch. The lens also comesequipped with a dedicated strap for the tripodsocket, making it easy to carry equipment without undue stress on the camera mount.Top-level optical performanceThe lens incorporates two FLD and one SLD glass elements, while the optimized power distributionhelps minimize spherical aberration and axial chromatic aberration. The optical system alsoeffectively minimizes transverse chromatic aberration, which can affect the edges of the shotstaken in the telephoto range. In addition, image quality remains exceptional when the lens is usedwith a SIGMA Tele Converter.OS system with acceleration sensor and new Intelligent OS algorithmThe Optical Stabilizer (OS) system features an acceleration sensor to deliver even more preciseperformance and up to approximately four stops of stabilization. Two OS modes are available:Mode 1 for general photography and Mode 2 for motor sports and other applications requiringpanning. In Mode 2, the acceleration sensor teams upwith the Intelligent OS and its updated stabilizationalgorithm to deliver effective stabilization while youmove the camera horizontally, vertically, ordiagonally, regardless of the position of the lens.AF function switch with preset AF modesThe AF function switch allows you to set your own autofocus specification. The lens can rememberthe focus position of your choice or turn off AF until it is needed. In addition to AF/MF, MO (Manual Override) is incorporated as one of the options of the focus modeswitch. By setting it to t

The 12-24mm F4 DG HSM | Art Lens is an ultra-wide-angle zoom lens that is perfect for ultra-high resolution, full frame cameras. It offers anoptimal package of centre-to-edge image quality, minimized distortion, and minimum focusingdistance. To achieve these qualities without compromise, SIGMA has leveraged its lens designexpertise and all of its leading-edge technologies. Advanced materials such as low-dispersion glassplay a crucial role, while SIGMA’s advanced lens processing methods have made possible an asphericallens of extremely large diameter. Outstanding image qualityThe new SIGMA 12-24mm F4 DG HSM | Art leverages SIGMA’s accumulatedexpertise in the processing and manufacture of aspherical lenses and incorporates multipleaspherical lenses produced with precision glass molding. The lens also features lens elements madewith FLD (“F” Low Dispersion) glass, which is equivalent to fluorite in performance, and an optimizedpower distribution. Together, these features help minimize distortion, transverse chromatic aberration,and coma flare. As a result, image quality is outstanding across the image, all the way to the edges.F/4 brightness throughout the zoom rangeWith F/4 throughout the zoom range, this lens is one stop brighter than conventional lenses.Photographers can now use a higher shutter speed that will crisply capture leaves fluttering in thebreeze and other quick-moving subjects. A constant aperture during zooming also makes this lensexceptionally easy to use.Newly designed HSM for nimble AF controlThe newly designed Hyper Sonic Motor (HSM) is large, offers 1.3 times the torque of its predecessor.Even at low speeds, it offers exceptionally stable performance.

The Sigma 30mm f/1.4 prime lens offers an angle of view very similar to human vision. The shallow depth of field at wide-open aperture lets you take stunning portraits and tabletop still life shots. Get the beautiful bokeh effect that only a large-aperture lens can offer and the exceptionally sharp optical performance expected from this prime lens. Combining compactness with outstanding optical performanceThe front lens element features high-refractive index, high-dispersion glass for extra power and a shorter overall lens length. To optimize the lens for mirrorless cameras, two aspherical lens elements help ensure outstanding image quality and overall compactness. The SIGMA 30mm F1.4 DC DN | Contemporary features SIGMA’s inner focus technologies, while lighter lens elements in the focus lens group make possible a more compact actuator. Moreover, this lens offers outstanding stability whether the photographer is shooting handheld or has the camera placed on a surface. Structurally, the lens features materials and parts that contribute to its compact, lightweight structure. In summary, this is an unprecedented lens that combines outstanding optical performance with exceptional portability and usability.Image qualityIn addition to featuring an optimized layout and power distribution, this lens incorporates one aspherical lens element and one double aspherical lens element, as well as an element made of high-refractive index, high-dispersion glass with high anomalous partial dispersion. By effectively leveraging these technologies, the lens delivers an outstanding level of light to the edges of the image while minimizing lateral chromatic aberration. To correct distortion, the lens takes advantage of the image correction capabilities of the mirrorless camera body, using the corrective power of the optical system to enhance sharpness.Fast and smooth AFBy incorporating a stepping motor, the lens offers exceptionally quick and quiet autofocusing performance. This feature is especially useful when using the camera to take videos.

The Sigma 500mm F4 DG OS HSM Lens incorporates Sigma’s latest technologies and delivers a full range of advanced features and functions: enhanced dust- and splash-proof construction, Optical Stabilizer (OS)system, SIGMA Tele Converter compatibility, AF function switch, SIGMA’s latest-generation HyperSonic Motor (HSM), and more. Enhanced dust/splash-proof constructionDesigned for top performance in tough shooting conditions, the SIGMA 500mm F4 DG HSM |Sports features highly effective dust- and splash-proof construction. The front of the lensfeatures a water- and oil-repellent coating that allows water to be wiped away easily and helpsprevent oil from sticking to the surface. This feature is particularly useful when shooting in adrizzle or near ocean spray.Magnesium alloy barrelTo help minimize the weight associated with a hyper telephoto lens, the lens barrel ismade with a magnesium alloy. Both lightweight and tough, this alloy contributes to theoutstanding maneuverability of SIGMA 500mm F4 DG HSM | Sports.Tripod socket with 90° click stopsSince photographers often prefer to use a hyper-telephoto lens with a monopod or tripod, thelens features a large and extremely stable tripod socket. Antistatic nickel plating on the socket parts help enhance the quality and durability ofthe 90° click stops, which make it easy to switchbetween vertical and horizontal shooting positions.The click position may be canceled by turning offthe “de-clicking” switch. The lens also comesequipped with a dedicated strap for the tripodsocket, making it easy to carry equipment without undue stress on the camera mount.Top-level optical performanceThe lens incorporates two FLD and one SLD glass elements, while the optimized power distributionhelps minimize spherical aberration and axial chromatic aberration. The optical system alsoeffectively minimizes transverse chromatic aberration, which can affect the edges of the shotstaken in the telephoto range. In addition, image quality remains exceptional when the lens is usedwith a SIGMA Tele Converter.OS system with acceleration sensor and new Intelligent OS algorithmThe Optical Stabilizer (OS) system features an acceleration sensor to deliver even more preciseperformance and up to approximately four stops of stabilization. Two OS modes are available:Mode 1 for general photography and Mode 2 for motor sports and other applications requiringpanning. In Mode 2, the acceleration sensor teams upwith the Intelligent OS and its updated stabilizationalgorithm to deliver effective stabilization while youmove the camera horizontally, vertically, ordiagonally, regardless of the position of the lens.AF function switch with preset AF modesThe AF function switch allows you to set your own autofocus specification. The lens can rememberthe focus position of your choice or turn off AF until it is needed. In addition to AF/MF, MO (Manual Override) is incorporated as one of the options of the focus modeswitch. By setting it to t

The Sigma 500mm F4 DG OS HSM Lens incorporates Sigma’s latest technologies and delivers a full range of advanced features and functions: enhanced dust- and splash-proof construction, Optical Stabilizer (OS)system, SIGMA Tele Converter compatibility, AF function switch, SIGMA’s latest-generation HyperSonic Motor (HSM), and more. Enhanced dust/splash-proof constructionDesigned for top performance in tough shooting conditions, the SIGMA 500mm F4 DG HSM |Sports features highly effective dust- and splash-proof construction. The front of the lensfeatures a water- and oil-repellent coating that allows water to be wiped away easily and helpsprevent oil from sticking to the surface. This feature is particularly useful when shooting in adrizzle or near ocean spray.Magnesium alloy barrelTo help minimize the weight associated with a hyper telephoto lens, the lens barrel ismade with a magnesium alloy. Both lightweight and tough, this alloy contributes to theoutstanding maneuverability of SIGMA 500mm F4 DG HSM | Sports.Tripod socket with 90° click stopsSince photographers often prefer to use a hyper-telephoto lens with a monopod or tripod, thelens features a large and extremely stable tripod socket. Antistatic nickel plating on the socket parts help enhance the quality and durability ofthe 90° click stops, which make it easy to switchbetween vertical and horizontal shooting positions.The click position may be canceled by turning offthe “de-clicking” switch. The lens also comesequipped with a dedicated strap for the tripodsocket, making it easy to carry equipment without undue stress on the camera mount.Top-level optical performanceThe lens incorporates two FLD and one SLD glass elements, while the optimized power distributionhelps minimize spherical aberration and axial chromatic aberration. The optical system alsoeffectively minimizes transverse chromatic aberration, which can affect the edges of the shotstaken in the telephoto range. In addition, image quality remains exceptional when the lens is usedwith a SIGMA Tele Converter.OS system with acceleration sensor and new Intelligent OS algorithmThe Optical Stabilizer (OS) system features an acceleration sensor to deliver even more preciseperformance and up to approximately four stops of stabilization. Two OS modes are available:Mode 1 for general photography and Mode 2 for motor sports and other applications requiringpanning. In Mode 2, the acceleration sensor teams upwith the Intelligent OS and its updated stabilizationalgorithm to deliver effective stabilization while youmove the camera horizontally, vertically, ordiagonally, regardless of the position of the lens.AF function switch with preset AF modesThe AF function switch allows you to set your own autofocus specification. The lens can rememberthe focus position of your choice or turn off AF until it is needed. In addition to AF/MF, MO (Manual Override) is incorporated as one of the options of the focus modeswitch. By setting it to t

The 12-24mm F4 DG HSM | Art Lens is an ultra-wide-angle zoom lens that is perfect for ultra-high resolution, full frame cameras. It offers anoptimal package of centre-to-edge image quality, minimized distortion, and minimum focusingdistance. To achieve these qualities without compromise, SIGMA has leveraged its lens designexpertise and all of its leading-edge technologies. Advanced materials such as low-dispersion glassplay a crucial role, while SIGMA’s advanced lens processing methods have made possible an asphericallens of extremely large diameter. Outstanding image qualityThe new SIGMA 12-24mm F4 DG HSM | Art leverages SIGMA’s accumulatedexpertise in the processing and manufacture of aspherical lenses and incorporates multipleaspherical lenses produced with precision glass molding. The lens also features lens elements madewith FLD (“F” Low Dispersion) glass, which is equivalent to fluorite in performance, and an optimizedpower distribution. Together, these features help minimize distortion, transverse chromatic aberration,and coma flare. As a result, image quality is outstanding across the image, all the way to the edges.F/4 brightness throughout the zoom rangeWith F/4 throughout the zoom range, this lens is one stop brighter than conventional lenses.Photographers can now use a higher shutter speed that will crisply capture leaves fluttering in thebreeze and other quick-moving subjects. A constant aperture during zooming also makes this lensexceptionally easy to use.Newly designed HSM for nimble AF controlThe newly designed Hyper Sonic Motor (HSM) is large, offers 1.3 times the torque of its predecessor.Even at low speeds, it offers exceptionally stable performance.