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Press Release: TAMRON Announces Development of Compact, Lightweight F2.8 Ultra Wide-Angle Zoom Lens for FUJIFILM X-Mount APS-C Mirrorless Cameras 11-20mm F/2.8 Di III-A RXD (Model B060) February 19, 2023, Commack, NY – TAMRON announces the development of the 11-20mm F/2.8 Di III-A[1] RXD (Model B060), a fast-aperture ultra wide-angle zoom lens for FUJIFILM X-mount APS-C mirrorless cameras. The TAMRON 11-20mm F2.8 ultra wide-angle zoom lens features a constant aperture of F2.8. Despite its fast F2.8 aperture, the lens is very small and feels perfectly balanced attached to a compact APS-C mirrorless camera body. With the full-frame equivalent zoom range of 16.5-30mm, it’s the ideal lens for everyday use. At the 11mm ultra wide-angle end, the lens allows stunning close-range shooting performance, achieving an MOD (Minimum Object Distance) of 0.15m (5.9 in) and a maximum magnification ratio of 1:4. This feature invites wide-angle macro shooting that exploits the creative effects of naturally occurring distortion that only ultra wide-angle lenses can provide. Additionally, the quiet RXD (Rapid eXtra-silent stepping Drive) stepping motor AF drive is perfect for both still and video use. Moisture-Resistant Construction and durable Fluorine Coating provide extra protection when shooting outdoors. The compact size, fast F2.8 aperture, practical zoom range and superb image quality make the 11-20mm zoom an ideal choice for travel, landscape, street, and general photography. PRODUCT HIGHLIGHTS Ultra wide-angle zoom lens with a fast F2.8 aperture and superior usability Outstanding optical performance Exceptionally quiet RXD stepping motor unit perfect for video use MOD of 0.15m (5.9 in) at the 11mm focal length for creative ultra wide-angle macro Moisture-Resistant Construction and Fluorine Coating for extra protection Specifications, appearance, functionality, etc. are subject to change without prior notice. [1] Di III-A: For APS-C format mirrorless interchangeable-lens cameras

Press release: Immersive views and CREATIVE freedom: The NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR Power-Zoom ULTRA-wide angle lens IS THE LATEST ADDITION TO nIKON’S GROWING TOOLKIT FOR CREATORS Nikon’s Super Lightweight Wide Angle Lens Puts a Variable Power Zoom and Amazing Image Quality Within Reach MELVILLE, NY (April 18, 2023) – Today, Nikon Inc. has announced the NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR, the ultra-wide angle lens made for content creators and vloggers. This latest lightweight lens is the widest NIKKOR Z DX-format lens yet1, and has the added benefit of a power zoom (PZ) for more creative versatility and great looking video. The 12-28mm f/3.5-5.6 PZ VR is designed to capture sharp and immersive content that lets you get more of what matters in the frame; more friends, more expansive landscapes and more freedom to create without limits. Featuring an extremely versatile zoom range from an ultra-wide angle 12mm to 28mm2, this lens is a must-have for any vlogger or creator who wants to get the whole story in the shot, and dynamically change-up the frame smoothly and consistently. The ultra-wide angle is also great for everything from larger-than-life landscapes, grand interiors, tabletop photos and group selfies where no one gets left out. Surprisingly small and light for such a wide zoom, the NIKKOR Z DX 12-28mm weighs only approximately 7.3 oz, making it easy to hold with an extended arm. It’s perfectly mated to lightweight cameras such as the ultra-compact and capable Nikon Z 30, Z 50 or the retro inspired Z fc. “Nikon is committed to equipping content creators with the tools they need to make videos and photos that look great, and we are very excited about this latest addition to our growing system of creator-centric cameras and lenses,” said Jay Vannatter, Executive Vice President, Nikon Inc. “Whether you’re vlogging or just want a super-lightweight and affordable wide angle for landscapes or street photography, the NIKKOR Z 12-28mm is the lens you have been waiting for.” The Lens Made for Content Creators The NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR is the first NIKKOR Z lens utilizing a power zoom with linear drive, providing smooth optical zoom and other thoughtful features for creators to enhance and simplify their video recording experience. The power zoom function easily and effortlessly zooms in close to a subject, or zooms out to truly establish the scene. To suit any shooting style, the zoom can be activated by twisting the customizable zoom ring on the barrel, with designated buttons on the camera body, or when using the ML-L7 Remote Control3 (included in the Z 30 Creator’s Accessory Kit). The zoom can also be controlled remotely through a PC or phone with the SnapBridge app4. Additionally, the zoom rate can be selected from 11 speed settings, within the range of 0.55 to 36 seconds, for maximum consistency when reframing your shot or adding dramatic creative flair. Autofocus is sharp, reliable and fast, working flawlessly with the eye-detection AF in Nikon cameras to keep focus on you or your subject. The lens features an STM motor drive, making it extremely silent when focusing, so viewers won’t be disturbed by the sound of camera operation. What’s more, when transitioning to a close-up of a subject, the 12-28mm has a very close minimum focus distance of only 0.19 m (0.62 ft). This lets users seamlessly move the focus from their face to a product in-hand, while the image stays sharp. Realizing that the best content often happens in real time, the lens is stabilized with Vibration Reduction (VR) that provides an effect equivalent to a shutter speed 4.5 stops faster5. This function makes it easy to capture run-and-gun footage without the distracting camera shake or shoot in low-light with minimal blur. Because of its small size and versatile angle of view, this lens is also well-suited for creating steady footage with gimbals. Main Features of the NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR: Ultra-wide angle lens is ideal for vlogging and wide establishing shots but also landscapes, interior photography and city streets. Power zoom function provides smooth, consistent optical zoom that’s fully customizable with varying speeds, which can be engaged with camera buttons, zoom ring or used remotely. VR Image Stabilization reduces camera shake with up to 4.5 stops of compensation for stable video and sharp images. Close minimum focusing distance of 0.62 ft and maximum reproduction ratio of 0.21x allow for sharp and detailed shots of products, flowers, nature and other intricate details. Ultra-compact and lightweight design makes it easy to use and carry anywhere. The body of the NIKKOR Z DX 12-28mm has been designed carefully to deliver dust- and drip-resistant performance,6 with a sealing that prevents any dust or water droplets from entering the lens. Price and Availability The new NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR will be available in May 2023 for a suggested retail price of $359.95*. For more information about the latest Nikon products, including other NIKKOR Z lenses and the entire collection of Z series cameras, please visit nikonusa.com. As of April 18, 2023. Angle of view is equivalent to that of an 18-42mm lens in Full-frame/FX-format. Camera magnification buttons and 11 speed functionality supported on the Z 30 and the Z fc at time of initial release. These functions will be supported by subsequent software update. Based on CIPA Standard; this value is achieved when attached to an APS-C size/DX-format camera with the camera's VR function set. to "NORMAL", and when zoom is set to the maximum telephoto position. Thorough dust- and drip-resistance is not guaranteed in all situations or under all conditions.

Press release: SIGMA Introduces 60-600mm F4.5-6.3 DG DN OS | Sports Lens, the World's First and Only 10x Ultra-Telephoto Zoom for Mirrorless Camera Systems Ronkonkoma, NY – January 12, 2023 – SIGMA Corporation of America, the US subsidiary of SIGMA Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan) is pleased to announce the 60- 600mm F4.5-6.3 DG DN OS | Sports lens. This is the world's first and only* mirrorless 10x ultra-telephoto zoom. The second full-frame mirrorless zoom lens in the SIGMA Sports line, covering standard (60mm) to ultra- telephoto (600mm), along with 1:2.4 maximum magnification (at 200mm), and weighing just 5.5 pounds (2.5kg), this lens offers exceptional versatility and is offered in Sony E-mount and L-Mount. The SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports is designed to be the one essential lens for travel, outdoor sports, wildlife, and safari that can cover it all from standard to ultra-tele, plus close-ups, all without ever swapping lenses; and it offers an impressive 6 stops of Optical Stabilization at the telephoto end and 7 stops at the standard end. The newly designed HLA (High-response Linear Actuator) focusing motor delivers unprecedented fast and precise autofocusing, and dual action zoom allows for both the precision of the zoom ring and the swift, intuitive response of the push-pull action on the front end of the barrel. The three AFL buttons are easy to operate in any orientation, and the Zoom Lock switch can be locked at all marked focal distances. The mount connection, manual focus ring, zoom ring, switches, switch panel and exterior connection are dust and splash resistant** to prevent dust and dirt from entering the lens, which are likely in the many outdoor situations where this lens is designed to perform. A completely new optical design was created to for the DG DN (DG = full-frame, DN = mirrorless-exclusive) version of the 60-600mm featuring both SLD and FLD glass elements, and a multi-material structure is employed to balance durability and portability. The SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports will be offered for $1,999 through authorized SIGMA America retailers, and will be available beginning mid-February, 2023. The world's first and only* mirrorless 10x ultra-telephoto zoom, now available from SIGMA. The SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports is a high-power ultra-telephoto zoom lens exclusively for full-frame mirrorless cameras with a unique 10x focal length. The latest optical design delivers high optical performance throughout the entire zoom range, even with 10x zoom, which makes it capable of capturing any scene in high definition. The newly developed linear motor "HLA (High- response Linear Actuator)" delivers unprecedentedly fast and precise autofocusing. In addition, the newly developed algorithm "OS2" enables image stabilization of 7 stops at the wide end and 6 stops at the telephoto end. Of course, it is also equipped with Dual Action Zoom, Dust and Splash Resistant Structure, as well as a wealth of customizable functions and specifications of SIGMA's Sports line to meet the needs of various shooting environments and situations. With its many features and stellar optical performance, this lens captures the moment with a rich sense of dynamism. The SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports is a one-of-a-kind ultra-telephoto zoom lens which combines high magnification with an extremely high level of image quality and mobility. *As an interchangeable lens exclusively for mirrorless, as of December, 2022 by SIGMA Key Features The one and only 60-600mm zoom lens, able to handle every situation from standard to ultra-telephoto all by itself The SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports is an ultra-telephoto 10x zoom lens for full-frame mirrorless cameras that covers a zoom range of 60-600mm, a range only available from SIGMA. It enables users to seamlessly capture scenes from close-ups to long distance shots without changing lenses, even in difficult situations such as air shows or professional sports events. Stable and high optical performance throughout the entire zoom range SIGMA employed the latest optical design to effectively correct chromatic aberrations that tend to occur in the ultra-telephoto range using a variety of high quality materials, including FLD and SLD glass elements. The lens is capable of capturing every moment with uncompromising high image quality in the unique focal length range of 60-600mm. The minimum focusing distance is 45cm at the wide end, and at the focal length of 200mm, the lens offers a maximum magnification ratio of 1:2.4, allowing users to also enjoy the lens as a telephoto macro lens, adding to its overall versatility. High-speed AF owing to newly developed motor "HLA" to capture the decisive moment The autofocus of the SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports makes use of the newly developed linear motor "HLA (High-response Linear Actuator)". This high-output linear motor and advanced electronic control realize a quiet autofocus with unparalleled high speed and high precision. The new motor also enables high focus-following performance, ensuring that the decisive moment is not missed in sports photography and any other situation where the subjects are in motion, from motor vehicles to birds in flight. Newly developed optical stabilizer algorithm "OS2" with high compensation capability of up to 7 stops The OS (Optical Stabilizer) function employs SIGMA's newly developed algorithm "OS2". The new algorithm significantly improves image stabilization performance, with 7 stops at the wide end and 6 stops at the telephoto end. This allows the lens to capture powerful and dynamic moments with a rich sense of motion. The lens is equipped with two OS modes: Mode 1 is suitable for general shooting, and Mode 2 is best suited for fast panning shots, for example in motorsports and other dynamic situations. In Mode 2, an acceleration sensor combined with SIGMA's Intelligent OS, an algorithm specially designed for panning shots, enable effective image stabilization even when the camera is moved vertically or diagonally, regardless of the horizontal and vertical orientation of the lens. This means that the movement of the subject can be expressed without losing the effect of panning shots. Multi-material structure for lightweight and strong robustness The lens features a multi-material structure, in which materials such as magnesium, CFRP¹, and TSC² are optimally arranged according to their characteristics. As a result, the lens barrel is lighter in weight while retaining the same robustness as previous models, thereby providing high versatility in a variety of scenes and applications. ¹ Carbon Fiber Reinforced Plastic, a light but strong material used in the interior and exterior fittings of aircraft, among many other applications. ² Thermally Stable Composite, a polycarbonate with a thermal expansion rate similar to that of aluminum. Its high affinity to metal parts contributes to high manufacturing quality standards. Dual Action Zoom for intuitive framing The lens supports Dual Action Zoom, allowing users to use both rotary zooming by rotating the zoom ring and straight zooming by grasping the tip of the lens. This enables both precise and quick operation in any given situation. Dust and Splash Resistant Structure for security in various shooting situations The mount connection, manual focus ring, zoom ring, switches, switch panel and exterior connection are all dust and splash resistant* to prevent dust and dirt from entering the lens. Further, the front element of the lens features a water and oil repellent coating to facilitate maintenance when water droplets or dust adhere to the lens. * The structure is designed to be dust and splash resistant, but not waterproof. Be careful not to bring the lens in contact with a large amount of water. Water inside the lens may cause major damage and even render the lens unrepairable. High customizability and build quality of SIGMA's Sports line The SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports is equipped with substantial features of SIGMA's Sports line standard of high-mobility, high-performance lenses. Manufactured in SIGMA's sole production base in Aizu, Japan, the lens features an exceptional build quality that combines robustness with practicality and a high level of precision in every single detail. Customizable functions Equipped with a Focus Limiter switch, the lens enables users to limit the focus driving range during AF when necessary, allowing quick and precise focusing. Further, the lens features three AFL buttons* ready to be assigned to preferred functions using the camera. The AFL buttons are easy to operate regardless of how the camera is oriented or which settings are used. For the L-Mount version, the SIGMA USB DOCK UD-11 can be used to set OS operation or focus limiter range for the Custom Mode switch. *Only on compatible cameras. Available functions may vary depending on the camera used. Interchangeable Tripod Socket The lens body incorporates an Arca Swiss compatible magnesium alloy tripod socket. The leg can be removed and replaced with other interchangeable tripod sockets (sold separately) or attached to a monopod, allowing for a multitude of different uses and situations. Tele Converter for L-Mount (1.4x / 2.0x) The L-Mount version of the lens is compatible with the SIGMA TELE CONVERTER TC-1411 (1.4x) and TC-2011 (2.0x). Using a tele converter, the focal length can be multiplied by 1.4x and even 2x, for AF- enabled shooting at ultra-telephoto focal lengths of up to 1200mm. Additional Features Lens construction: 27 elements in 19 groups (2 FLD and 3 SLD) OS (Optical Stabilizer) function Inner focus system Compatible with high-speed autofocus HLA (High-response Linear Actuator) Compatible with Lens Aberration Correction • Function available on supported cameras only. Available corrections and auto correction functionality may vary depending on the camera model. • On cameras where lens aberration correction is controlled with 'ON' or 'OFF' in the camera menu, please set all aberration correction functions to 'ON' (AUTO). Support for DMF, AF + MF Compatible with AF assist (Sony E-mount only) Super Multi-Layer Coating Water and Oil Repellent Coating (front element) AFL button • Only on compatible cameras. Available functions may vary depending on the camera used. Focus Limiter switch Focus Mode switch OS switch Custom Mode switch Zoom Lock switch Dust and Splash Resistant Structure Hood (LH1144-02) Tripod Socket TS-121 (replaceable lens foot type) Compatible with SIGMA TELE CONVERTER TC-1411 / TC-2011 (sold separately / for L-Mount only) Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only) Designed to minimize flare and ghosting Every single lens undergoes SIGMA's proprietary MTF measuring system 9-blade rounded diaphragm High-precision, durable brass bayonet mount "Made in Japan" craftsmanship

Press release: SIGMA Releases New "I series" Lenses, Adding Ultra-Wide and Classic Prime Focal Lengths to the Compact, All-Metal Lineup Ronkonkoma, NY – April 3, 2023 – SIGMA Corporation of America, the US subsidiary of SIGMA Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan) is pleased to announce two new prime lenses in the Contemporary line, designed exclusively for mirrorlesss camera systems. The SIGMA 17mm F4 DG DN | Contemporary ($599 US MSRP through authorized retailers) and the SIGMA 50mm F2 DG DN | Contemporary ($639 US MSRP through authorized retailers) are stylish "I Series" full-frame lenses featuring all-metal barrels. These two lenses are offered in Sony E-Mount and Leica L-Mount. Both lenses will be available through authorized retailers in late April 2023. The SIGMA 17mm F4 DG DN | Contemporary delivers supreme compactness in the widest "I series" lens to date. This super-compact, ultra wide-angle lens weighs just 225g (L-Mount), with a length of 48.8mm, and is designed specifically for full-frame mirrorless systems. It is an exceptional lens in terms of angle of view, optical performance, and build quality, with a design inspired by SIGMA CINE lenses. As an I series lens, it features a metal barrel with knurled focus ring, aperture ring and lens hood. Both metal magnetic and snap-on lens caps are provided. By shortening the overall length of the lens and making changes to the focus configuration, the 17mm F4 DG DN | Contemporary lens is capable of focusing as close as 12cm with an impressive magnification ratio of 1:3.6, allowing for unique close-up photographs with expansive backgrounds, making it particularly appealing to vloggers, hikers, landscape photographers and more. A stepping motor offers swift, precise AF for both still and video applications. The SIGMA 50mm F2 DG DN | Contemporary adds the classic standard prime lens focal length to the I series. This is the fifth F2 I series lens to date, joining the 20mm, 24mm, 35mm and 65mm lenses. All F2 I series lenses feature an arc-type AF/MF switch and a stylized ring on the all-metal barrel. This DG DN lens is designed specifically for full-frame mirrorless systems and is offered in Sony E-mount and Leica L-Mount versions. The metal lens hood, manual-focus and aperture ring are knurled for a pleasant tactile experience, and the F2 maximum aperture delivers gorgeous bokeh effects; while the optical design delivers performance comparable to the 50mm F1.4 DG DN | Art lens in a much more compact form (37% shorter length, 48% less in weight.) The lens is also resistant to backlighting and produces minimal flare, even in difficult conditions. AF is driven by a stepping motor for fast, reliable AF for both still and video use. This is a best-in-class standard prime lens for everyday use, combining exceptional I series build quality, strong optical performance, and a compact, fast-aperture design. . Exclusively designed for full-frame mirrorless cameras C | Contemporary SIGMA 17mm F4 DG DN Ultra-wide in sight. Tiny in size. "Ultra-wide-angle lens" that matches the optical performance standards set by the SIGMA Contemporary line of lenses. Expanding the I series lineup. "Creating pictures that are beyond beautiful". Exceptional I series build quality with a compact form-factor Compact, lightweight and high-performance ultra-wide-angle 17mm lens with an impressive minimum focusing distance. Now available as a "Premium Compact Prime" I series lens. "Compact, lightweight and high-performance ultra-wide-angle lens". Using the latest technology, the 17mm has been created without compromise, despite this challenging design concept. Its wide-angle of view creates impactful landscape images with a unique perspective and, thanks to its minimum close focusing distance of 12cm, the lens can be enjoyed in a variety of alternative ways, including close-up photography and handheld selfies. The optical design has been created exclusively for mirrorless camera systems, which helps reduce lens flare and ghosting that results in excellent image rendering. The all-metal lens barrel highlights SIGMA's craftsmanship and attention to detail, making the SIGMA 17mm F4 DG DN | Contemporary a pleasure to use on every shoot. [Key Features] 1. "Ultra-wide-angle lens" that matches the optical performance standards set by the SIGMA Contemporary line of lenses. The lens construction consists of two SLD glass elements and three aspherical lens elements. Aspherical lenses are used for both the front and rear optics. This not only keeps the size of the lens compact but also helps with correcting lens aberrations. As a result, the lens features a 55mm filter thread (which is smaller than comparable lenses of similar focal lengths) which makes it easy to change filters between SIGMA I series lenses that share the same filter size.* Its construction also helps minimize flare and ghosting that is commonly found in ultra-wide-angle lenses, creating clear images in any environment. This is a lens with truly modern performance, thanks to the advanced processing and production technologies at SIGMA's only production facility in Aizu. *In addition to the 17mm F4 DG DN | Contemporary, I series lenses with a 55mm filter thread include the 24mm F3.5 DG DN | Contemporary, 45mm F2.8 DG DN | Contemporary, and 90mm F2.8 DG DN | Contemporary (as of April 2023). A highlight of using the 17mm is the impressive minimum focusing distance of 12cm. Capture close-up macro style images in remarkable detail with expansive backgrounds. It is also suitable for selfies and vlogging, where items need to be shown at an arms-reach. A quiet, high-speed stepping motor drives the AF delivering fast and accurate results in both stills and video. 2. Beyond "beautiful pictures" ― the value provided by the SIGMA's I series The SIGMA I series features full-frame compatible lenses that offer new value to mirrorless systems. The combination of superb optical performance with a level of compactness that is perfectly suited to smaller and lighter modern mirrorless cameras will bring you new opportunities for a perfect shot. SIGMA is aware that in today's world we have a wide range of camera choices, especially with the increase in mobile phone ownership. But with many photographers looking for something more than something that simply captures images when they choose to own a camera and lens, I series lenses offer the ultimate combination of superb optical performance, outstanding usability and compact form-factor. SIGMA's excellence in development and production technologies has been built up since our founding in 1961 and became increasingly sophisticated with the introduction of the SIGMA Global Vision brand in 2012. With this as a base, SIGMA has given careful thought to the quality of the products, the feeling of using it and the pleasure of owning it. This is how the I series was born. 3. Exceptional I series build quality with a compact form-factor All I series lenses have an all-metal construction. The precision-cut aluminum parts not only give the barrel a sleek, stylish finish, but provide superb durability that improves the quality of the entire product. Metal materials are also used in internal structures that slide with the operation ring for added robustness. These high-precision components crafted with SIGMA's cutting-edge metalworking technology are also used in SIGMA's CINE LENS line-up for professional cinematographers and provide a tactile, ergonomic feel that make the lens a pleasure to use. What is more with the I series is that this high build quality is condensed into a palm-sized lens body. The SIGMA 17mm F4 DG DN | Contemporary is one of the smallest in the series. Combine with multiple I series lenses to create a remarkably compact shooting system that is lightweight and small in size. [Additional Features] Lens construction: 9 elements in 8 groups with 2 SLD and 3 aspherical lens elements Inner focus system Compatible with high-speed autofocus Stepping Motor Compatible with Lens Aberration Correction *Function available on supported cameras only. Available corrections may vary depending on the camera model. Support DMF and AF+MF Compatible with AF assist (Sony E-mount only) Super Multi-Layer Coating Aperture ring Focus Mode Switch Petal Type Hood (LH576-03) Magnetic metal lens cap (LCF55-01M) Mount with dust and splash resistant structure Support for switching between linear and non-linear focus ring settings (for L-Mount only) Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only) Designed to minimize flare and ghosting Every single lens undergoes SIGMA's proprietary MTF measuring system 7-blade rounded diaphragm High-precision, durable brass bayonet mount "Made in Japan" craftsmanship . Exclusively designed for full-frame mirrorless cameras C | Contemporary SIGMA 50mm F2 DG DN Compact 50mm. Big Surprise. "Standard lens" that matches the optical performance standards set by the SIGMA Contemporary line of lenses. Expanding the I series lineup. "Creating pictures that are beyond beautiful". Exceptional I series build quality with a compact form-factor Performance beyond expectations condensed into a small body. 50mm F2 joins the "Premium Compact Prime" I series. The SIGMA 50mm F2 DG DN | Contemporary features high optical performance with a bright F2 aperture, that creates expressive images with a shallow depth of field and beautiful bokeh effects. With its compact size, this popular classic focal length is perfect for portraits, street and everyday photography. The lens has been designed to be used over a long period of time. Using that same technology that SIGMA used to create the SIGMA CINE lens range, the 50mm F2 DG DN | Contemporary uses an all-metal construct that is robust and provides a premium feel. All these elements combine to create an exceptionally versatile lens that can be used in a variety of creative ways to create images in outstanding definition. Perfectly suited to new photographers looking to take the next step, professionals who require reliable lenses and photographers who prefer smaller full-frame lenses that offer the best optical quality. [Key Features] 1. "Standard lens" that matches the optical performance standards set by the SIGMA Contemporary line of lenses. SIGMA I series lenses are developed around the concept of "compact everyday lenses with outstanding image quality" and the SIGMA 50mm F2 DG DN | Contemporary is exactly that. It features high-quality optics in a compact size, perfect for a wide variety of photographic styles. Built from the ground up for mirrorless cameras, the SIGMA 50mm F2 DG DN | Contemporary is constructed using a single SLD glass element and three aspherical lens elements that are excellent at correcting various types of aberration for clear, high-definition images. The conflicting ideals of improving optical performance while reducing body size and weight are achieved through the latest optical design, and the processing and production technologies at SIGMA's only production facility in Aizu. The 50mm focal length is mostly known for portrait photography, so careful consideration was taken when designing the lens, focusing on the smoothness of the bokeh created by the F2 aperture. Its optical design gives smooth transitions from in-focus to out-of-focus areas, and helps minimize flare and ghosting caused by backlit environments. The quiet stepping motor provides quick, reliable autofocusing for both stills and video. 2. Beyond "beautiful pictures" ― the value provided by the SIGMA's I series The SIGMA I series features full-frame compatible lenses that offer new value to mirrorless systems. The combination of superb optical performance with a level of compactness that is perfectly suited to smaller and lighter modern mirrorless cameras will bring you new opportunities for a perfect shot. SIGMA is aware that in today's world we have a wide range of camera choices, especially with the increase in mobile phone ownership. But with many photographers looking for something more than something that simply captures images when they choose to own a camera and lens, I series lenses offer the ultimate combination of superb optical performance, outstanding usability and compact form-factor. SIGMA's excellence in development and production technologies has been built up since our founding in 1961 and became increasingly sophisticated with the introduction of the SIGMA Global Vision brand in 2012. With this as a base, SIGMA has given careful thought to the quality of the products, the feeling of using it and the pleasure of owning it. This is how the I series was born. 2. Exceptional I series build quality with a compact form-factor All I series lenses have an all-metal construction. The precision-cut aluminum parts not only give the barrel a sleek, stylish finish, but provide superb durability that improves the quality of the entire product. Metal materials are also used in internal structures that slide with the operation ring for added robustness. These high-precision components crafted with SIGMA's cutting-edge metalworking technology are also used in SIGMA's CINE LENS line-up for professional cinematographers and provide a tactile, ergonomic feel that make the lens a pleasure to use. What is more with the I series is that this high build quality is condensed into a palm-sized lens body. The SIGMA 17mm F4 DG DN | Contemporary is one of the smallest in the series. Combine with multiple I series lenses to create a remarkably compact shooting system that is lightweight and small in size. [Additional Features] Lens construction: 9 elements in 8 groups with 2 SLD and 3 aspherical lens elements Inner focus system Compatible with high-speed autofocus Stepping Motor Compatible with Lens Aberration Correction *Function available on supported cameras only. Available corrections may vary depending on the camera model. Support DMF and AF+MF Compatible with AF assist (Sony E-mount only) Super Multi-Layer Coating Aperture ring Focus Mode Switch Petal Type Hood (LH576-03) Magnetic metal lens cap (LCF55-01M) Mount with dust and splash resistant structure Support for switching between linear and non-linear focus ring settings (for L-Mount only) Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only) Designed to minimize flare and ghosting Every single lens undergoes SIGMA's proprietary MTF measuring system 7-blade rounded diaphragm High-precision, durable brass bayonet mount "Made in Japan" craftsmanship