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From Sigma:
 
Thank you for purchasing and using our products.
 
We have found that some SIGMA interchangeable lenses for CANON are not fully compatible with CANON EOS 6D Mark II released on August 4th, as well as EOS 9000D (77D), EOS Kiss X9i (Rebel T7i) and EOS Kiss X9 (Rebel SL2).
 
When certain lenses are attached to these cameras and the “Lens aberration correction” function on these cameras is set to “Enable” for Live View shooting, an error would occur.
 
Please set the “Lens aberration correction” function of the cameras to “Disable” when using SIGMA’s interchangeable lenses for CANON.
 
In addition, please also refer to other notice below, related to the usage of EOS mount SIGMA lenses on Canon cameras.
 
Phenomenon
 
When the lenses listed below are used on EOS 6D Mark II, EOS 9000D, EOS Kiss X9i, or EOS Kiss X9 and the “Lens aberration correction” function on the camera is set to “Enable” for Live View shooting, an error would occur.
 
Products concerned
 

• SIGMA 30mm F1.4 DC HSM | Art
• SIGMA 30mm F1.4 EX DC HSM
• SIGMA 35mm F1.4 DG HSM | Art
• SIGMA 50mm F1.4 EX DG HSM
• SIGMA 85mm F1.4 EX DG HSM

Usage Notice for customers who are using EOS mount SIGMA lenses on CANON cameras
 
When using the SIGMA lenses for CANON, “Peripheral illumination correction”, “Chromatic aberration correction”, “Diffraction correction” as well as “Distortion correction” from the “Lens aberration correction” function of the camera are not supported. Therefore, we recommend you to set them to “Disable”.
 
If those functions are set to “Enable”, the performance of the lenses may not be accurate.
 
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
 
We appreciate your continued support for our company and products.

From Sigma:
 
Thank you for purchasing and using our products.
 
We would like to announce that a firmware update for the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON and SIGMA MOUNT CONVERTER MC-11 EF-E is now available.
 
This firmware update corrects the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 EF-E.
 
For customers who own the SIGMA USB DOCK, please update the firmware via SIGMA Optimization Pro. For those who own the SIGMA MOUNT CONVERTER MC-11 EF-E, please update the firmware via SIGMA Optimization Pro* by connecting it to a computer using a supplied USB Cable.
 
* Before updating the MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh from the following download page.
 
Applicable product
 

• SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON

Benefit of this firmware update
 

• It has corrected the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 EF-E.

Applicable product
 

• SIGMA MOUNT CONVERTER MC-11 EF-E

Benefit of this firmware update
 

• It has become compatible with the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON (ver. 1.02).

From Sigma:
 
Full-frame sensor compatible, high-speed prime lenses bring Sigma’s esteemed Art lens technology to cinema cameras; the 14mm T2 FF and 135mm T2 FF begin shipping late July for a retail price of $4,999.00 USD each
 
Ronkonkoma, NY – July 13, 2017 – Sigma Corporation of America, a leading still photo and cinema lens, camera, flash and accessory manufacturer, today announced the availability of two brand new cine lenses: the Sigma 14mm T2 FF and 135mm T2 FF, which will both begin shipping late July 2017. Compatible with full-frame image sensors, these high-speed cine prime lenses are available for EF, E and PL mounts. They are available as individual lenses for a retail price of $4,999.00 USD each, or as part of two and seven lens sets for retail prices of $10,499.00 USD and $24,799.00 USD respectively.
 
Go fast and wide with the Sigma 14mm T2 Cine Prime
The Sigma 14mm T2 FF Cine Prime lens is the world’s first and only to offer an incredibly fast T2 at this ultra-wide angle focal length for full frame sensors. Bringing remarkable optical performance to the art of capturing moving images, the Sigma 14mm T2 offers cinematographers the opportunity for robust cinematic expression.
 
Resolving power like nothing ever seen before with the Sigma 135mm T2 Cine Prime
The Sigma 135mm T2 FF Cine Prime offers astonishing rendering performance unmatched by almost any lens on the market. Retaining the optical performance of Sigma’s original Art lens for the still photographer, this exceptional lens enables cinematographers to enjoy the highest image quality for shooting movies.
 
Both lenses offer the following benefits and capabilities:
 

• Bright, T2 full frame maximum aperture
• Capable of resolving up to 8K
• Available in Canon EF, Sony E & PL Mounts
• 180-degree focus rotation

The Sigma 14mm and 135mm lenses are fully compatible with full frame sensors. The addition of these lenses to the Sigma cine lineup expands the FF High Speed Prime Line to a total of seven lenses, from a super-wide 14mm to a brilliantly sharp telephoto 135mm.
 
Pricing for individual lenses and lens sets
The newest cine lens offerings from Sigma will be available individually as well as in sets for the following retail prices.
 

• Sigma 14mm T2 FF - $4,999.00 USD
• Sigma 135mm T2 FF - $4,999.00 USD

The Sigma 14mm T2 FF and 135mm T2 FF Shipping Late July
The Cine 14mm and 135mm lenses and sets will begin shipping late July 2017 for EF, E and PL mounts.
 
B&H has the Sigma 14mm T2 FF and Sigma 135mm T2 FF cine lenses available for preorder.

From Sigma:
 
Thank you for purchasing and using our products. We would like to announce a firmware update for the SIGMA MOUNT CONVERTER MC-11 EF-E.
 
This firmware update allows compatibility with the SIGMA 14mm F1.8 DG HSM | Art, SIGMA 24-70mm F2.8 DG OS HSM | Art, Cine Lens 14mm T2 FF EF mount and 135mm T2 FF EF mount from FF High Speed Prime Line.
 
For customers who own the SIGMA MOUNT CONVERTER MC-11 EF-E, please update the firmware via SIGMA Optimization Pro by connecting it to a computer using the supplied USB Cable.
 
* Before updating the MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh from the following download page.
 
SIGMA Optimization Pro Download page
 
Benefits of this firmware update
 

• It has become compatible with the SIGMA 14mm F1.8 DG HSM | Art and SIGMA 24-70mm F2.8 DG OS HSM | Art.
• It has become compatible with the FF High Speed Prime Line SIGMA 14mm T2 FF (EF) and the SIGMA 135mm T2 FF (EF).

B&H carries the Sigma MC-11 EF-E Mount Converter.

From Sigma:
 
The Sigma Corporation would like to announce the development of the rear filter holder for the SIGMA 14mm F1.8 DG HSM | Art for Canon.
 

By attaching the rear filter holder to the rear of the SIGMA 14mm F1.8 DG HSM| Art, it is possible to use a filter sheet with the lens. This will allow more freedom of the expression when photographing starry skies.
 
* Only available for the Canon mount lens. There are no plans for the development in SIGMA and Nikon mounts.
 
As more details of this rear filter holder become available, a further announcement will be made.
 
B&H has the Sigma 14mm f/1.8 DG HSM Art Lens available for preorder.

Yesterday we reported that the 24-70mm f/2.8 OS Art and Sigma 14mm f/1.8 Art lenses were scheduled to begin shipping today based on information posted by B&H on the items' product pages. However, B&H has changed the availability expectations on their website as follows:
 
Sigma 14mm f/1.8 DG HSM Art Lens – "Coming Soon"
Sigma 24-70mm f/2.8 DG OS HSM Art Lens – "End of Jun 2017"
 
However, Sigma posted press releases today which state that both lenses are scheduled to begin shipping in "July 2017."
 
So... it looks like preorder customers will be waiting a little longer to receive their new lenses.

Surprisingly, the Sigma 24-70mm f/2.8 DG OS HSM Art and 14mm f/1.8 DG HSM Art lenses are scheduled to start shipping tomorrow, the day immediately following the acceptance of preorders (source: B&H).
 
Trusted Retailers
 
Sigma 24-70mm f/2.8 DG OS HSM Art – B&H | Adorama
Sigma 14mm f/1.8 DG HSM Art – B&H | Adorama

The wait is almost over; the Sigma 24-70mm f/2.8 DG OS HSM Art and Sigma 14mm f/1.8 Art lenses will be available for preorder from B&H at 1:00am Easter Time (roughly 2 hours after this post).
 
We expect there to be high demand for these lenses; be sure to preorder early if you want to receive your lens ASAP. Be sure to use the links above to support the site.
 
Update: Adorama also has the lenses available for preorder.

From Sigma:
 
Thank you for purchasing and using our products.
 
Sigma Corporation would like to announce a firmware update for the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Canon and SIGMA MOUNT CONVERTER MC-11 EF-E is now available.
 
By updating the firmware, the lens will offer improved AF performance. Also, the latest firmware of the SIGMA MOUNT CONVERTER MC-11 EF-E will not only offer improved AF performance, but also enables the OS mechanism to start operating faster than before.
 
For customers who own the SIGMA USB DOCK, please update the firmware via SIGMA Optimization Pro. For those who own the SIGMA MOUNT CONVERTER MC-11 EF-E, please update the firmware via SIGMA Optimization Pro by connecting it to a computer using a supplied USB Cable.
 
* Before updating the MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh from the following download page.
 
Applicable Products
 
SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Canon
 
Benefits of This Firmware Update
 

• Improved the AF performance.
• When attached to the SIGMA MOUNT CONVERTER MC-11 EF-E (ver. 1.06), the firmware update offers not only the improved AF performance, but also enables the OS mechanism to start operating faster than before.

Applicable Products
 
SIGMA MOUNT CONVERTER MC-11 EF-E
 
Benefits of This Firmware Update
 

• Compatibility with the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Canon (ver. 1.01).

SIGMA Optimization Pro Download Page

For customers using SONY a9 (ILCE-9) camera
 
Thank you for purchasing and using our products.
 
We have found that the combination of SIGMA MOUNT CONVERTER MC-11 (SA-E and EF-E) and some of SIGMA's interchangeable zoom lenses may not focus precisely, if it is attached to SONY a9 (ILCE-9), released by SONY in May in 2017. When using AF-S mode and shooting in telephoto range, it could occasionally display the shot is in focus, although it may not properly be focused on the subject.
 
We apologize for the inconvenience experienced by customers who use these products. We are now investigating the phenomenon and will make a further announcement on the website shortly.
 
We appreciate your continued support for our company.
 
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
http://www.sigma-global.com/en/about/world-network/

B&H is listing tomorrow as its expected availability date for the Sigma 100-400mm F/5-6.3 DG OS HSM Contemporary Lens.
 
The Sigma 100-400 C lens was announced in February alongside the 14mm f/1.8, 135mm f/1.8 and 24-70mm f/2.8 Art lenses. The 100-400 C is the second lens of the group to hit the streets, following a little more than a month after the 135mm Art's release.

From Sigma:
 
The SIGMA Corporation is pleased to announce that the ultra-wide-angle zoom lens "SIGMA 12-24mm F4 DG HSM | Art" and the ultimate lens for portraits and more "SIGMA 85mm F1.4 DG HSM | Art" have won TIPA Awards 2017.
 
BEST DSLR WIDE ANGLE ZOOM LENS: SIGMA 12-24mm F4 DG HSM | Art
 
Constructed with 16 elements in 11 groups, with FLD glass elements, an updated Hyper Sonic Motor with 1.3X torque for fast AF, and use of “the largest aspherical element in the industry”, this constant aperture wide angle zoom is designed for full-frame DSLRs but can also be used with APS-C sensor cameras to deliver a still impressive 18-36mm field of view (approximate, depending on camera model). With a minimum aperture of f/22 and close-focusing capability of 9.4 inches (24cm) at the 24mm focal length range, photographers can create unique images with startling depth of field, while the constant f/4 aperture and 9-bladed rounded diaphragm allows for outstanding bokeh effects.
 
BEST DSLR PRIME LENS: SIGMA 85mm F1.4 DG HSM | Art
 
Aimed at portrait photographers and those who want to create dramatic shallow depth of field effects, this full-frame 85mm lens in SIGMA’s Art series employs SLD (Special Low Dispersion Glass) and one element with a high rate of anomalous partial dispersion and a high index of refraction. The lens contains a 9-bladed electronically controlled diaphragm, a hypersonic (HSM) motor for rapid and silent AF, and an AF system with 1.3X torque boost. Quality build features include a durable brass mount and a composite TSC barrel, a material known to provide consistent performance at extreme temperatures and is considerable lighter than other materials that would yield similar benefits.
 
B&H carries the Sigma 12-24mm f/4 DG HSM Art and Sigma 85mm f/1.4 DG HSM Art lenses.

From Sigma:
 
Sigma 500mm f/4 DG OS HSM Sports Firmware v.1.01:
 

• It has corrected the phenomenon that 3D-tracking does not work when it is attached with TELE CONVERTER TC-1401 on a Nikon DSLR.

* For this update, it requires the firmware of the SIGMA USB DOCK for NIKON to be Ver.1.01 or later.
* Before updating the firmware of the 500mm F4 DG OS HSM | Sports for NIKON, Please ensure SIGMA Optimization Pro has been updated to Ver1.4.1 or later for Windows, or Ver1.4.0 or later for Macintosh.
 

---

Sigma USB Dock Firmware v.1.03
 

• Compatible with SIGMA 100-400mm F5-6.3 DG OS HSM C017.

---

SIGMA Optimization Pro Download
 
B&H carries the Sigma 500mm f/4 DG OS HSM Sports Lens and USB Dock and has the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens available for preorder.

From Sigma:
 
SIGMA ELECTRONIC FLASH EF-630 F/CANON is scheduled to start the shipment in MARCH.
 
The SIGMA ELECTRONIC FLASH EF-630 is a multifunctional clip-on type flash, which offers a greater output of light with a guide number 63. Among the diverse features loaded on this flash is TTL exposure control as standard as well as high-speed sync, rear-curtain sync and wireless flash functions. The Auto zoom function which is designed to work with focal length 24-200mm, bounce-flash function, Wide Panel and Catch-light Panel of the EF-630 are perfect for various kinds of photography. The rear LCD offers an intuitive user interface for fast and easy operation. For instance, the new dot matrix liquid crystal display ensures improved visibility of setting status and menu function, and D-Pad and dial on the side of the flashgun make changing settings easier than ever.
 
Key Features:

Intuitive user interface for ease of use
The new dot matrix liquid crystal display is incorporated for this flash. Moreover, the D-Pad and dial on the side of the flashgun make changing settings, such as TTL auto exposure system, wireless flash, FP flash and rear-curtain sync, on the main screen and setup menu displayed on the LCD easier than ever. The flash is designed to disengage easily by one-click on the shoe lock lever. In addition, a flash sync terminal and notification beep sound when the flashgun is fully charged improves ease of use.
 
Guide Number 63 offering a greater output of light
The maximum guide number is 63 for a high light level (when the focal length is 200mm). It is possible to change the illumination angle from 24mm wide to 200mm telephoto. It also covers an angle of a 17mm when used with the built-in Wide Panel.
 
Three light distribution modes
The flash is designed to work in three light distribution modes. Normal emission mode has basic light distribution for general photography, and another mode prioritizes guide number to obtain an even larger output. Flat light distribution mode has a characteristic of uniform light distribution by reducing the fall off of peripheral light. It is possible to select the mode in accordance with the purpose.
 
Bounce-flash function with movable flash head
The flash head of the EF-630 can be tilted up by as much as 90°and can swivel both left and right by 180°. Bounce photography, where light is reflected off a white wall, ceiling or a reflector increases the range of photographic expression. The flash head can also be tilted down by 7°for close-up shots.
 
Wireless TTL Flash Function
The wireless TTL flash function will adjust the desired flash exposure automatically by flash light even if the EF-630 is detached from the camera. Remote control operation is possible between the camera and flash. When multiple flash units are used, the camera calculates the correct exposure automatically.
 
Slave Flash Function
Slave Flash can be used with all camera models and it allows the flash to be fired away from the camera by the master unit though it is not possible to set flash exposure automatically. The Designated Slave function for EF-630 allows the photographer to use two or more EF-630 flash units simultaneously. It is possible to designate flashguns by using different channel settings. In the Normal Slave mode, it is also possible to use the camera's built-in flash or another flash unit as the Master.
 
FP Flash function for high shutter speeds
Cameras with flash focal plane shutters cannot perform flash photography at shutter speeds faster than the fixed synchronization speed as it is usually limited to coincide with the fully open shutter. The FP flash function makes flash photography possible at shutter speeds greater than the fixed synchronization speed. When the lens diaphragm is set to larger apertures to limit depth of field in synchronized daytime shooting, high shutter speeds can be used to balance the daylight and the flashlight at any shutter speed.
 
Rear-curtain Sync flash function for natural representation of motion
When photographing a moving subject, the Rear-curtain Sync mode allows the flash to be triggered immediately before the rear-curtain of the shutter closes. Unlike Front-curtain Sync, this mode records blurred trails behind a moving subject rather than in front for a more natural expression of motion.
 
Multiple Flash Photography
In a single frame it is possible to capture the frozen-in-motion image of a subject by a series of light bursts.
 
AF assist light for accurate auto-focus in low light conditions
Accurate AF may not be possible in dark conditions. However, the AF assist light of the EF-630 allows effective AF between approximately 0.7m and 10m.
 
Manual flash power level control
The flash power level of the EF-630 can be set manually from 1/1 to 1/128 in 1/3 EV increments to meet the photographer’s needs.
 
Modeling Flash function to check for shadow
The EF-630 also offers a modeling flash function, enabling the user to check for reflections and shadows before taking a photograph.
 
Custom Mode Function
The Custom Mode Function is available to register two settings with the photographer’s preference. It is easy to set it with D-Pad and dial on the side of the flashgun.
 
Notification beep sound
When the notification beep sound is turned on by the switch at the front of the flash, it is possible to check the status of flash such as whether it is fully charged, exposure is ok, as well as error alert only by the sound without looking at the LCD display.
 
Auto Power-Off function prevents power waste
To conserve battery life, the EF-630 will automatically turn off after a certain period of time of inactivity.
 
Catch Light Panel
This flash is equipped with a built-in catch light panel, which can highlight the eyes of the subject when the bounce flash mode is activated.
 
Synchronic Terminal
The EF-630 is equipped with a Synchronization Terminal to connect a camera with the commercially available synchronization cable.
 
Regular firmware updates
Photographers can update the firmware via the newly developed optional FLASH USB DOCK FD-11(Sold separately). The firmware can be updated by attaching the EF-630 to the FD-11 and then connecting the FD-11, via a USB cable, to a personal computer on which the exclusive software SIGMA Optimization Pro has been installed.

Specifications

Power source : Four AA Alkaline or AA NiCd or Ni-MH (Nickel Metal Hydride) batteries
Guide Number : 63 (200/fit) ISO100/m (with the zoom head at 200mm)
Illumination angle : Automatically set in accordance with the focal length of the lens, in a range from 24mm to 200mm. Also covers the angle of a 17mm lens when used with the built-in Wide Panel.
Bounce angle (Up) : 0, 60, 75, 90 degrees
Bounce angle (Right) : 0, 60, 75, 90, 120, 150, 180 degrees
Bounce angle (Left) : 0, 60, 75, 90, 120, 150, 180 degrees
Bounce angle (Down) : 0, 7 degrees
Dimensions (W X H X D) : 79.4mm×148.4mm×121.5mm / 3.1in. X 5.8in. X 4.8 in.
Weight : 490g/17.3oz. (without battery)
Corresponding cameras : SIGMA, CANON, NIKON
Barcode:SIGMA 0085126 932923, CANON 0085126 932909, NIKON 0085126 932916

Optional Accessory – FLASH USB DOCK FD-11
 
This accessory is used to dock EF-630 and update its firmware in the exclusive SIGMA Optimization Pro software. The dock is connected to a personal computer via a USB cable.
 
Barcode: SIGMA 0085126 801564, CANON 0085126 801540, NIKON 0085126 801557
Release date: SIGMA: Available, CANON:March, 2017, NIKON: TBD
 
B&H has the Sigma Electronic Flash EF-630 and FD-11 Flash USB Dock available for preorder.

From Sigma:
 
February 21, 2017 – Sigma Corporation today announced its brand new Global Vision Art and Contemporary lenses to be introduced at the 2017 CP+ Camera + Photo Imaging Show in Tokyo, Japan.
 

• 14mm F1.8 DG HSM Art - World’s first F1.8, ultra-wide, full-frame prime lens designed for high resolution cameras; ideal for shooting architecture, astrophotography, documentary and landscapes.
• 135mm F1.8 DG HSM Art – Formidable telephoto prime with high-speed aperture; ideal for shooting weddings, concerts, events and studio/location portraiture.
• 24-70mm F2.8 DG HSM OS Art – Fast, constant-aperture zoom workhorse upgraded to the exacting standards of the high performance Sigma Art series.
• 100-400mm F5-6.3 DG HSM OS Contemporary - Highly versatile, lightweight and compact super zoom touting strong IQ and image stabilization.

Sigma 14mm F1.8 DG HSM Art
 
Debuting the world’s first 1.8 wide-angle lens, the 14mm F1.8 Art incorporates the same groundbreaking aspherical element as Sigma’s critically acclaimed 12-24mm F4 Art. Boasting outstanding image quality from center to edge, the 14mm F1.8 Art features the largest glass mold (80mm) in the industry, offering photographers an ultra-wide prime with virtually no distortion, flare or ghosting. Three lens elements are made with FLD (“F” Low Dispersion) glass, which is equivalent to calcium fluorite in performance, and four SLD (Special Low Dispersion) glass elements, which reduce chromatic aberration. In addition to the great IQ from edge to edge, the new 14mm F1.8 offers a superfast and efficient AF system.
 
With a minimum focus distance of 10.6 inches at 14mm, photographers can compose incredible close-up shots with expansive backgrounds.
 
The all new Sigma 14mm F1.8 DG HSM Art lens supports Canon, Nikon and Sigma mounts and works with Sigma’s MC-11 Sony E-mount converter. The Nikon mounts feature the brand new electromagnetic diaphragm. Pricing and availability for the Sigma 14mm F1.8 Art lens will be announced later.
 
Sigma 135mm F1.8 DG HSM Art
 
Boasting outstanding sharpness and great IQ from edge to edge, the 135mm F1.8 Art lens enters the market as Sigma’s new premiere mid-range telephoto prime lens. Ideal for events such as concerts, indoor sports, conferences and press events, the 1.8 F-stop delivers greater “shallow depth of field” and isolation of subjects. The outstanding compression effect makes it equally as powerful for up-close and full-length portraits. Its new large hyper sonic motor (HSM) provides ample torque to the focus group for optimal speed while the acceleration sensor detects the position of the lens for compensation focus groups for factors including gravity, producing faster and more responsive AF. Equipped with a focus limiter, the 135mm F1.8 Art can be easily optimized for a variety of distances and situations.
 
The all-new Sigma 135mm F1.8 DG HSM Art lens supports Canon, Nikon and Sigma mounts and works with Sigma’s MC-11 Sony E-mount converter. The Nikon mounts feature the brand new electromagnetic diaphragm. Pricing and availability for the Sigma 135mm F1.8 Art lens will be announced later.
 
Sigma 24-70mm F2.8 DG HSM OS Art
 
Featuring a brand new OS and highly efficient and fast AF system, the revamped 24-70mm F2.8 Art embodies all the technical qualities and finesse that define the high-performance Sigma Global Vision Art series. Covering a wide range of shooting scenarios, the 24-70mm workhorse DNA includes three SLD (Special Low Dispersion) glass elements and four aspherical elements to reduce chromatic aberration. The 24-70mm F2.8 Art aspherical elements use Sigma’s groundbreaking thicker center glass design and highly precise polishing process, delivering stunning images and bokeh effects. The lens’ purpose-built structure boasts a new metal barrel for optimal durability with TSC composite internal moving components designed to resist thermal contraction and expansion.
 
The newly revamped Sigma 24-70mm F2.8 DG HSM OS Art lens supports Canon, Nikon and Sigma mounts and works with Sigma’s MC-11 Sony E-mount converter. The Nikon mounts feature the brand new electromagnetic diaphragm. Pricing and availability for the Sigma 24-70mm F2.8 Art lens will be announced later.
 
Sigma 100-400mm F5-6.3 DG HSM OS Contemporary
 
Boasting outstanding reach and performance value, the new 100-400mm F5-6.3 Contemporary telephoto zoom lens offers great IQ and usability with its lightweight, compact, dust- and splash-proof design. Equipped with the newly released Sigma OS and AF, the lens provides exceptional performance at lower shutter speeds. Highly versatile, the 100-400mm F5-6.3 Contemporary also features Sigma’s unique macro function (1:3.8 ratio) for perfecting close-ups and distance shots, and push/pull focal zooming for ease of use.
 
The all-new Sigma 100-400mm F5-6.3 DG HSM OS Contemporary lens supports Canon, Nikon and Sigma mounts and works with Sigma’s MC-11 Sony E-mount converter. The Nikon mounts feature the brand new electromagnetic diaphragm. Pricing and availability for the Sigma 100-400mm F5-6.3 Contemporary lens will be announced later.