Ultra wide-angle zoom lens Large aperture of F35 throughout the zoom range Super Multi-Layer lens coating HSM (Hyper Sonic Motor) for fast silent AF Ultra wide-angle zoom lens with a large constant aperture of F35 designed specifically for digital SLR cameras This Ultra wide-angle zoom lens has a maximum aperture of F35 throughout the entire zoom range making it suitable for low-light & indoor photography It’s wide-angle of view from 1024 degrees produces striking images with exaggerated perspective enabling photographers to emphasise the subject ELD (Extraordinary Low Dispersion) glass SLD (Special Low Dispersion) glass & Aspherical lenses provide excellent correction of all types of aberrations The Super Multi-Layer lens coating reduces flare & ghosting & creates high image quality throughout the entire zoom range The HSM (Hyper Sonic Motor) ensures fast & quiet autofocus while allowing full-time manual focus override Ultra wide-angle zoom from 1024 degrees The 10-20mm F35 EX DC HSM lens offers photographers greater freedom of expression by rotating the zoom ring It is a very powerful tool for architectural indoor & landscape photography The angle of view changes depending on which camera model the lens is attached to Exaggerated perspective This ultra wide-angle lens allows photographers to create an exaggerated perspective between the subject & the background to emphasise for example expanses of a landscape Large F35 aperture through the entire zoom range The large constant aperture of F35 provides a bright image in the viewfinder which helps photographers easily check focusing & composition Superior image quality One SLD (Special Low Dispersion) & two ELD (Extraordinary Low Dispersion) glass elements are employed for effective compensation of colour aberration The use of two glass mold & two hybrid aspherical lenses offer excellent correction for distortion & astigmatism & ensure superior image quality The Super Multi-Layer coating reduces flare & ghosting & provides high contrast images throughout the entire zoom range Quiet & fast AF ...

High performance large aperture medium telephoto macro lens incorporating Sigma’s Optical Stabiliser function Sigma’s medium telephoto macro lens incorporates Optical Stabilisation allowing the use of shutter speeds Approx. 4 stops slower than would otherwise be possible SLD glass provides good control of aberration & the floating inner focus system ensures high rendering throughout the focusing range By using Sigma’s APO Tele Converters it is possible to take photos at greater than 11 magnification HSM ensures a quiet & high speed AF as well as full-time manual focus override This lens has a rounded 9 blades diaphragm which creates an attractive blur to the out of focus areas Large aperture medium telephoto macro lens This medium telephoto macro lens means that you can maintain an appropriate distance from subjects while still getting close up photos Since the working distance at its closest focusing position is 142mm shadows of the lens & camera will not affect photography making it suitable for taking photos of subjects such as flowers under natural lighting conditions In comparison to the Sigma 50mm & 70mm macro lenses the main subjects can be defined with perfectly smooth & blurred backgrounds High rendering performance The lens power layout produces excellent optical performance High refractive index SLD (Special Low Dispersion) glass corrects chromatic aberration spherical aberration & field curvature It ensures high rendering performance at all shooting distances The Super Multi-Layer Coating reduces flare & ghosting maintaining quality images with high contrast Handheld photography with ease Sigma’s OS (Optical Stabiliser) system offers effective correction of Approx. 4 stops As the stabilisation effect is visible through the viewfinder it aids composition & accurate focusing The OS effectiveness will gradually decrease as the shooting distance becomes shorter Floating inner focusing This lens incorporates floating inner focusing which moves two lens groups separately This minimises aberrations which occur as shooting distance changes & enables stable rendering of the image from infinity to 11 magnification This also corrects image distortion especially when taking close-up pictures Since focusing does not change its overall length this lens is easy to hold & use Quiet & high-speed AF The HSM (Hyper Sonic Motor) provides quiet & high speed autofocus It is also possible to use full-time manual focus even if the lens is set to the AF position Rounded 9 blades diaphragm This lens has a rounded 9 blade diaphragm which creates an attractive blur to the out of focus areas This also creates smooth rounded out of focus highlights when taking photos which have a strong light source in the background such as lights shining on the surface of water APO Tele converters This lens is compatible with Sigma’s APO Tele Converters With APO Tele Converter 14x EX DG it can be used as 147mm F4 AF telephoto macro lens & APO Tele Converter 2x EX DG as 210mm F56 MF telephoto macro lens This allows a greater working distance while still achieving 11 macro magnification AF does not work from 045m close up photography Dedicated hood adapter When taking photos with APS-C sized digital SLRs the (supplied) dedicated hood adapter which extends the length of the hood can be attached This gives more protection from harmful light that could negatively affect image quality When taking photos with full-size digital SLR please remove HA680-01 in order to avoid the edges of image being blocked ...

High performance large aperture medium telephoto macro lens incorporating Sigma’s Optical Stabiliser function Sigma’s medium telephoto macro lens incorporates Optical Stabilisation allowing the use of shutter speeds Approx. 4 stops slower than would otherwise be possible SLD glass provides good control of aberration & the floating inner focus system ensures high rendering throughout the focusing range By using Sigma’s APO Tele Converters it is possible to take photos at greater than 11 magnification HSM ensures a quiet & high speed AF as well as full-time manual focus override This lens has a rounded 9 blades diaphragm which creates an attractive blur to the out of focus areas Large aperture medium telephoto macro lens This medium telephoto macro lens means that you can maintain an appropriate distance from subjects while still getting close up photos Since the working distance at its closest focusing position is 142mm shadows of the lens & camera will not affect photography making it suitable for taking photos of subjects such as flowers under natural lighting conditions In comparison to the Sigma 50mm & 70mm macro lenses the main subjects can be defined with perfectly smooth & blurred backgrounds High rendering performance The lens power layout produces excellent optical performance High refractive index SLD (Special Low Dispersion) glass corrects chromatic aberration spherical aberration & field curvature It ensures high rendering performance at all shooting distances The Super Multi-Layer Coating reduces flare & ghosting maintaining quality images with high contrast Handheld photography with ease Sigma’s OS (Optical Stabiliser) system offers effective correction of Approx. 4 stops As the stabilisation effect is visible through the viewfinder it aids composition & accurate focusing The OS effectiveness will gradually decrease as the shooting distance becomes shorter Floating inner focusing This lens incorporates floating inner focusing which moves two lens groups separately This minimises aberrations which occur as shooting distance changes & enables stable rendering of the image from infinity to 11 magnification This also corrects image distortion especially when taking close-up pictures Since focusing does not change its overall length this lens is easy to hold & use Quiet & high-speed AF The HSM (Hyper Sonic Motor) provides quiet & high speed autofocus It is also possible to use full-time manual focus even if the lens is set to the AF position Rounded 9 blades diaphragm This lens has a rounded 9 blade diaphragm which creates an attractive blur to the out of focus areas This also creates smooth rounded out of focus highlights when taking photos which have a strong light source in the background such as lights shining on the surface of water APO Tele converters This lens is compatible with Sigma’s APO Tele Converters With APO Tele Converter 14x EX DG it can be used as 147mm F4 AF telephoto macro lens & APO Tele Converter 2x EX DG as 210mm F56 MF telephoto macro lens This allows a greater working distance while still achieving 11 macro magnification AF does not work from 045m close up photography Dedicated hood adapter When taking photos with APS-C sized digital SLRs the (supplied) dedicated hood adapter which extends the length of the hood can be attached This gives more protection from harmful light that could negatively affect image quality When taking photos with full-size digital SLR please remove HA680-01 in order to avoid the edges of image being blocked ...

Super compact & lightweight large aperture telephoto lens with life-size macro capability Successor to the APO MACRO 150mm F28 EX DG HSM introduced to market in October 2004 this new OS design offers the latest optical technology A floating focusing system moves two different lens groups in the optical path to different positions This system compensates for astigmatic aberration & spherical aberration & provides extremely high optical performance from infinity to 11 Macro SLD glass & Super Multi Layer Coating Three SLD (Special Low Dispersion) glass elements provide excellent correction of all types of aberrations & the Super Multi-Layer Coating reduces flare & ghosting This lens has superior peripheral brightness & provides sharp high contrast images even at the maximum apertures Optical Stabiliser Equipped with Sigma’s proprietary OS (Optical Stabiliser) function this lens offers the use of shutter speeds Approx. 4 stops slower than would otherwise be possible F28 large aperture tele-macro lens Tele macro lenses have a greater working distance It is possible to enjoy Macro photography even when you are far from subject This enables you to capture the small animals & insects without disturbing them Very narrow depth-of-field allows selective focusing & less distracting backgrounds Large aperture of F28 is ideal for sports action & indoor photography Hyper Sonic Motor (HSM) with full time manual focus override The HSM (Hyper Sonic Motor) ensures quiet & high speed autofocus as well as full-time manual focus capability Floating Focusing System produces excellent optical performance A floating focusing system moves two different lens groups in the optical system to different positions This system compensates for astigmatic aberration & spherical aberration Since focusing does not change its overall length this lens is easy to hold & use Rounded 9 blade aperture ring This lens has a rounded 9 blade diaphragm creating a smooth blur to the out of focus areas of the image It is also possible to use this lens with Sigma’s optional APO Tele Converters ...

Sigma 1750mm f 28 EX DC HSM Optical Stabilised Zoom Lens Canon Fit A high quality large constant f 28 aperture standard zoom lens The optical stabiliser function offers the use of shutter speeds approximatly 4 stops slower than would otherwise be possibile The fast maximum aperture of f 28 provides an attractive background blur & improves autofocus speeds Two FLD ("F"low dispersion) & one aspherical element provide excellent correction for all types of aberations Full time manual focus override The Super Multi-Layer lens coating reduces flare & ghosting & provides high contrast images The incorporation of Hyper Sonic Motor ensures a quiet & high speed autofocus The lens has a seven blade rounded diaphragm which creates an attractive blur to the out of focus areas of the image The inner focusing system eliminates front lens rotation making the lens suitable for circular polarising filter Box Contains Sigma 17-50 mm f 28 EX DC OS HSM lens Front & rear lens caps Petal-type lens hood 1 year international warranty Instruction book ...

With its wide zoom range this lens has a focal range equivalent to 255-105mm on a 35mm camera Thanks to Sigma&s latest technologies it&s exceptionally lightweight & 30 more compact by volume than previous lenses of its type Its low F-number equips photographers to shoot subjects at extremely close range making this the perfect lens for travel family photos artistic compositions & many other uses It&s a compact lens ideal for everyday use offering uncompromising optical performance functionality quality & elegance Contemporary line can handle all sorts of photo opportunities Sigma is organising all its interchangeable lenses into three product lines; Contemporary Art & Sports Featuring the very latest technology & combining optical performance with compactness the Contemporary line covers a wide range of needs Incorporating the very latest technology in these lenses Sigma has solved the difficult problem of keeping size & weight low without compromising optical performance The SIGMA 17-70mm F28-4 DC MACRO HSM is the first product from the Contemporary line Featuring a wide zoom range the lens has a focal range equivalent to 255-105mm on a 35mm camera Excellent for macro photography This lens& minimum focusing distance is 22cm & the maximum magnification ratio is 128 At 70mm the working distance becomes 552cm When it comes to telephoto it can shoot pictures with a similar sensation to a macro lens Also without the need to change the lens it enables photographers to take close up pictures of subjects such as jewellery & flowers In order to secure a clear field of view the design of this lens is very throughout even down to the precise position of the engraved letters on the lens 30 smaller than conventional models For a lens which is used used in everyday situations the small size makes a big difference By optimising the structure & power distribution of optical elements the lens barrel has now become more compact In order to ensure high accuracy of the product the new compound material TSC (Thermally Stable Composite) which has high affinity to metal parts is introduced for the lens barrel It results in better durability of the parts & smaller zoom rings & scale rings The dimension of this lens is 30 smaller than our conventional models Superior image quality throughout the entire zoom range This lens incorporates 2 FLD (“F” Low Dispersion) glass elements which have performance equal to fluorite 1 SLD (Special Low Dispersion) glass element & 3 aspherical glass lenses including a double sided aspherical lens By optimizing the power alignment of the lens both chromatic aberration of magnification & axial chromatic aberration have been corrected From infinity to macro it achieves superior image quality through entire zoom range This lens offers extraordinary expressive power & is capable of surpassing the requirement of the rigorous checking process of our new MTF measuring system “A1” Large maximum aperture of F28 The aperture value is F28 at the wide end (17mm) & is F4 at the telephoto end (70mm) The bright viewfinder aids focusing & composition of images The fast apertures also offer useful functions such as fast shutter speeds to prevent an object from being blurred & ensuring a smooth bokeh in the background Flare & ghosting conscious design In order to achieve high rendering on this flagship lens flare & ghosting were thoroughly measured from an early stage to establish an optical design which is resistant to strong incident light such as backlight The Super Multi-Layer Coating reduces flare & ghosting & provides sharp & high contrast images even in backlit conditions Rounded diaphragm The 7 blade-rounded diaphragm creates an attractive blur to the out-of-focus areas of the image Hyper Sonic Motor Sigma’s Hyper Sonic Motor (HSM) delivers high AF speed & extremely quiet performance Brass made bayonet mount This lens incorporates a brass made bayonet mount which has both high accuracy & durability The special treatment to reinforce the strength is applied on the surface to make it a high quality lens that is resistant for long-term use Ease of use The new product lines incorporate rubber for the attachment part of the provided lens hood For better usability the design of the lens cap & AF MF changeover switch has been enhanced Newly developed “USB DOCK” exclusively for new product lines Based on these new lines we have developed special software (SIGMA Optimization Pro) that can update the lens firmware & adjust parameters such as focus Box Contains Sigma 17-70mm f 28-4 DC Macro HSM Lens Hood Front & Rear Caps Instruction Manual 1 Year Warranty Card ...

This high zoom ratio lens is designed exclusively for digital SLR cameras & incorporates Sigmas original OS (Optical Stabiliser) technology This system offers the use of shutter speeds Approx. 4 stops slower SLD (Special Low Dispersion) & aspherical lenses provide excellent correction for all types of aberrations High image quality is assured throughout the entire zoom range Sigmas newly developed Thermally Stable Composite (TSC) allows for a more compact design & the HSM (Hyper Sonic Motor) ensures fast & quiet auto-focusing This lens has a minimum focusing distance of 35cm & a maximum magnification ratio of 129 making it convenient for close-up photography Sigmas unique OS technology This lens is equipped with Sigmas own unique OS technology This system offers the use of shutter speeds Approx. 4 stops slower It also compensates for camera shake when shooting moving subjects such as motor sports Sony & Pentax mounts do not incorporate Optical Stabilisation Superior image quality One SLD (Special Low Dispersion) glass element offers excellent correction of colour aberration & three aspherical lenses including a double-sided aspherical lens prevent & correct all types of aberrations such as astigmatism achieving high image quality throughout the entire zoom range Reduced Ghosting & Flare Sigmas Super Multi-Layer Coating reduces flare & ghosting ensuring sharp & high contrast images even in backlit conditions Minimum focusing distance of 35cm throughout the entire zoom range A minimum focusing distance of 35cm throughout the entire zoom range & a maximum magnification ratio of 129 makes this lens ideal for close-up photography When the APS-C size sensor is taken into consideration the effective maximum reproduction ratio becomes 12 Quiet & fast AF An inner focusing system & the incorporation of HSM provide fast & quiet auto-focusing AF will not function if the Pentax camera bodies do not support HSM Petal-type hood This lens is supplied with a Petal-type hood to block out extraneous light & reduce internal reflections Magnification scale A magnification scale is displayed on the lens barrel ensuring ease of use Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras ...

18-250mm lens f 35-63 Optical Stabiliser HSM (Hyper Sonic Motor) for quiet auto-focusing Super Multi-Layer Coating This high zoom ratio lens is designed exclusively for digital SLR cameras & incorporates Sigmas original OS (Optical Stabiliser) technology This system offers the use of shutter speeds Approx. 4 stops slower SLD (Special Low Dispersion) & aspherical lenses provide excellent correction for all types of aberrations High image quality is assured throughout the entire zoom range Sigmas newly developed Thermally Stable Composite (TSC) allows for a more compact design & the HSM (Hyper Sonic Motor) ensures fast & quiet auto-focusing This lens has a minimum focusing distance of 35cm & a maximum magnification ratio of 129 making it convenient for close-up photography Sigmas unique OS technology This lens is equipped with Sigmas own unique OS technology This system offers the use of shutter speeds Approx. 4 stops slower It also compensates for camera shake when shooting moving subjects such as motor sports Sony & Pentax mounts do not incorporate Optical Stabilisation Superior image quality One SLD (Special Low Dispersion) glass element offers excellent correction of colour aberration & three aspherical lenses including a double-sided aspherical lens prevent & correct all types of aberrations such as astigmatism achieving high image quality throughout the entire zoom range Reduced Ghosting & Flare Sigmas Super Multi-Layer Coating reduces flare & ghosting ensuring sharp & high contrast images even in backlit conditions Minimum focusing distance of 35cm throughout the entire zoom range A minimum focusing distance of 35cm throughout the entire zoom range & a maximum magnification ratio of 129 makes this lens ideal for close-up photography When the APS-C size sensor is taken into consideration the effective maximum reproduction ratio becomes 12 Quiet & fast AF An inner focusing system & the incorporation of HSM provide fast & quiet auto-focusing AF will not function if the Pentax camera bodies do not support HSM Petal-type hood This lens is supplied with a Petal-type hood to block out extraneous light & reduce internal reflections Magnification scale A magnification scale is displayed on the lens barrel ensuring ease of use Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras ...

SIGMA 18-35mm F18 DC HSM is the first zoom lens ever to achieve a maximum aperture of f 18 throughout the zoom range It is a wide aperture standard zoom-lens for digital single lens reflex camera&s with APS-C size sensor&s The lens has a focal range equivalent to 27mm
- 525mm in a 35mm format & it can cover the angles of view of multiple fixed focal length lenses This wide aperture standard zoom lens enables the photographer to expand creative possibilities on any occasion Our Art line delivers high-level artistic quality Sigma is organizing all its interchangeable lenses into three product lines; Contemporary Art & Sports Designed with a focus on sophisticated optical performance & abundant expressive power our Art line delivers high-level artistic expression Developed with the maximum emphasis on artistic touch they are designed to meet the expectations of users who value a creative dramatic outcome above compactness & multifunction Along with landscapes portraits still-life close-up & casual snaps they are perfect for the kind of photography that unleashes the inner artist Ideal for studio photography they offer just as much expressive scope when capturing architecture starry skies underwater shots & many other scenes Excellent Usability A zoom lens is very convenient as it offers various angles of view just by rotating the zoom ring However the down side was that no zoom lens ever offered a faster aperture than f 28 which led photographers to select fixed focal length lenses for brighter images While the aperture value of prime lenses is superior to zoom lenses their field of view is always the same & therefore it was always necessary to carry many fixed focal length lenses SIGMA 18-35mm F18 DC HSM is a new generation lens that can deliver images at f 18 aperture throughout its focal length The bright viewfinder is very helpful for checking the focus & composition of the image If it is compared with a lens of F28 the faster shutter speed & the shallow depth of field of F18 further expands creativity From wide to standard range this lens offers the excellent versatility & performance of multiple fixed focal length lenses Fruit of cutting edge technology To achieve a wide zoom lens with a maximum aperture of f 18 various technical problems need to be overcome As the aperture value gets larger the depth of focus becomes shallower thus it makes the lens design extremely complicated in order to compensate for various distortions such as spherical axial chromatic & astigmatic aberration along with curvature of field In order to compensate for astigmatic aberration across the entire focal range we have relied on the experience & know how gained when designing our super wide angle zoom lenses such as SIGMA12-24mm F45-56 II DG HSM & SIGMA 8-16mm F45-56 DC HSM In addition the technological innovation at our Aizu factory also contributes to better lens production It has enabled us to develop a wide glass-molded aspheric lens & the incorporation of SLD (Special Low Dispersion) glass has optimized power distribution of the optical elements & compensated for various aberrations as well as curvature of field at the widest angle Thanks to our knowledge of lens design accumulated over a long period of time plus the latest lens manufacturing techniques SIGMA has finally made the dream of a zoom lens with F18 throughout its entire focal range come true Convenient handling Convenient handling is achieved by incorporating internal focusing & zooming which prevents any change in the length of the lens when focusing & zooming It is possible to use a specialist filter such as a Circular Polarizer as the front part of the lens does not rotate Designed to minimize flare & ghosting Flare & ghosting were thoroughly measured & monitored from an early stage in the lenses development to establish an optical design which is resistant to strong incidental light such as backlight The Super Multi-Layer Coating reduces flare & ghosting & provides sharp & high contrast images even in backlit conditions Attaching the matched petal type hood which is supplied will provide extra protection from flare & ghosting Minimum focusing distance of 28cm With a minimum focusing distance of 28cm & a maximum magnification ratio of 143 this lens is excellent for close-up photography Hyper Sonic Motor The HSM (Hyper Sonic Motor) ensures a silent high-speed AF function Optimizing AF algorithm smoother AF is achieved It also enables full-time manual focusing capability which allows sensible focus adjustment by simply rotating the focus ring Incorporating Rounded diaphragm The 9 blade rounded diaphragm creates an attractive round bokeh at large-aperture settings Box Contains Sigma 18-35mm F18 DC HSM; Lens Hood; Fitted Padded Case; Front & Rear Caps; Instruction Manual;1 Year Warranty Card
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SIGMA 18-35mm F18 DC HSM is the first zoom lens ever to achieve a maximum aperture of f 18 throughout the zoom range It is a wide aperture standard zoom-lens for digital single lens reflex camera&s with APS-C size sensor&s The lens has a focal range equivalent to 27mm
- 525mm in a 35mm format & it can cover the angles of view of multiple fixed focal length lenses This wide aperture standard zoom lens enables the photographer to expand creative possibilities on any occasion Our Art line delivers high-level artistic quality Sigma is organizing all its interchangeable lenses into three product lines; Contemporary Art & Sports Designed with a focus on sophisticated optical performance & abundant expressive power our Art line delivers high-level artistic expression Developed with the maximum emphasis on artistic touch they are designed to meet the expectations of users who value a creative dramatic outcome above compactness & multifunction Along with landscapes portraits still-life close-up & casual snaps they are perfect for the kind of photography that unleashes the inner artist Ideal for studio photography they offer just as much expressive scope when capturing architecture starry skies underwater shots & many other scenes Excellent Usability A zoom lens is very convenient as it offers various angles of view just by rotating the zoom ring However the down side was that no zoom lens ever offered a faster aperture than f 28 which led photographers to select fixed focal length lenses for brighter images While the aperture value of prime lenses is superior to zoom lenses their field of view is always the same & therefore it was always necessary to carry many fixed focal length lenses SIGMA 18-35mm F18 DC HSM is a new generation lens that can deliver images at f 18 aperture throughout its focal length The bright viewfinder is very helpful for checking the focus & composition of the image If it is compared with a lens of F28 the faster shutter speed & the shallow depth of field of F18 further expands creativity From wide to standard range this lens offers the excellent versatility & performance of multiple fixed focal length lenses Fruit of cutting edge technology To achieve a wide zoom lens with a maximum aperture of f 18 various technical problems need to be overcome As the aperture value gets larger the depth of focus becomes shallower thus it makes the lens design extremely complicated in order to compensate for various distortions such as spherical axial chromatic & astigmatic aberration along with curvature of field In order to compensate for astigmatic aberration across the entire focal range we have relied on the experience & know how gained when designing our super wide angle zoom lenses such as SIGMA12-24mm F45-56 II DG HSM & SIGMA 8-16mm F45-56 DC HSM In addition the technological innovation at our Aizu factory also contributes to better lens production It has enabled us to develop a wide glass-molded aspheric lens & the incorporation of SLD (Special Low Dispersion) glass has optimized power distribution of the optical elements & compensated for various aberrations as well as curvature of field at the widest angle Thanks to our knowledge of lens design accumulated over a long period of time plus the latest lens manufacturing techniques SIGMA has finally made the dream of a zoom lens with F18 throughout its entire focal range come true Convenient handling Convenient handling is achieved by incorporating internal focusing & zooming which prevents any change in the length of the lens when focusing & zooming It is possible to use a specialist filter such as a Circular Polarizer as the front part of the lens does not rotate Designed to minimize flare & ghosting Flare & ghosting were thoroughly measured & monitored from an early stage in the lenses development to establish an optical design which is resistant to strong incidental light such as backlight The Super Multi-Layer Coating reduces flare & ghosting & provides sharp & high contrast images even in backlit conditions Attaching the matched petal type hood which is supplied will provide extra protection from flare & ghosting Minimum focusing distance of 28cm With a minimum focusing distance of 28cm & a maximum magnification ratio of 143 this lens is excellent for close-up photography Hyper Sonic Motor The HSM (Hyper Sonic Motor) ensures a silent high-speed AF function Optimizing AF algorithm smoother AF is achieved It also enables full-time manual focusing capability which allows sensible focus adjustment by simply rotating the focus ring Incorporating Rounded diaphragm The 9 blade rounded diaphragm creates an attractive round bokeh at large-aperture settings Box Contains Sigma 18-35mm F18 DC HSM; Lens Hood; Fitted Padded Case; Front & Rear Caps; Instruction Manual;1 Year Warranty Card
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