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From Sigma:
 
April 19, 2018 – The Sigma Corporation is pleased to announce it has won two TIPA World Awards 2018 for its wide-aperture ultra-wide-angle 14-24mm F2.8 DG HSM Art zoom lens and its large-diameter 24-70mm F2.8 DG OS HSM Art zoom lens suitable for any shoot.
 
TIPA's Best DSLR Wide Angle Zoom Lens Award for Sigma 14-24mm F2.8 DG HSM Art:
 
A Perfect Match for Today’s High-Resolution Cameras
Mountable on Canon, Nikon and Sigma cameras, and compatible with the Sigma MC-11 Sony E-mount converter, the Sigma 14-24mm F2.8 DG HSM Art lens delivers a high level of sharpness with near zero distortion, along with high-speed and high-accuracy AF that matches up perfectly with today’s high-resolution cameras. The lens contains three FLD (“F” Low Dispersion) glass elements, three SLD (Super Low Dispersion) glass elements, and three aspherical lens elements, including an 80mm high precision molded glass aspherical element. It has special sealing at numerous points for dust- and splash-proof protection. Thoroughly modern, the Nikon mount features a brand new electromagnetic diaphragm; the Canon mount is compatible with the Canon Lens Aberration Correction function.
 
TIPA's Best DSLR Standard Zoom Lens Award for Sigma 24-70mm F2.8 DG OS HSM Art:
 
A Premium “All-Round” Zoom
For many photographers, the 24-70mm focal length range is considered the standard as an everyday lens for a wide variety of subjects and scenarios, including street and photojournalism work, candids, travel and even nature and landscape photography. The Sigma 24-70mm F2.8 DG OS HSM Art offers many advantages, including a constant aperture throughout its range, an optical stabilization system, and outstanding bokeh effects due to its 9-blade, rounded-diaphragm, 37cm (15'') close-focusing capability. The lens is dust- and splash-proof and incorporates a newly designed hypersonic motor (HSM) for fast and smooth AF operation. The lens also incorporates the latest electromagnetic aperture control for specific Nikon cameras; the Canon mount is compatible with the Canon Lens Aberration Correction function.
 
B&H carries the Sigma 14-24mm f/2.8 DG HSM Art and 24-70mm f/2.8 DG OS HSM Art lenses.

From SIGMA:
 
Ronkonkoma, NY – April 5, 2018 – The Sigma Corporation today announced the newest accessory for its Cine High Speed 14mm T2 FF Prime Lens – the Clamp-On Ring 162mm COR-11, which extends the front diameter of the lens to 162mm. When attached to a wide-angle matte box compatible with 6.6" x 6.6" square type filters such as the ARRI LMB-6 (2-stage), the setup allows cinematographers to film on full-frame cameras without undesired vignetting. The Sigma COR-11 is also compatible with SF Ex-tender SF-E1 (optional) and other third-party accessories. Sigma continues to expand its Cine offering by providing solutions to the increasing demand for cine lenses compatible with digital cinema cameras with large format sensors.
 
The Clamp-On Ring 162mm COR-11, along with Sigma Cine lens lines – High Speed S35 Zoom, FF Zoom and FF High Speed Prime, will be on display at the 2018 NAB Show in Las Vegas from April 9th through April 12th in booth C10308.
 
Pricing and availability of Sigma COR-11 will be announced at a later date.
 
B&H carries the Sigma Cine 14mm T2 FF Lens.

Last week, we reported that Sigma had released firmware updates for several of its Global Vision-series lenses. The updates was designed to allow compatibility with Canon’s in-camera Lens Aberration Correction. However, it seems the updates may have had unintended consequences.
 
A site visitor noticed that after updating his Sigma 50mm f/1.4 Art lens' firmware to v.2.00, his lens exhibited noticeable backfocusing which required a -8 setting at various focus settings to correct via the Sigma USA Dock.
 
As I had yet to update my own Sigma 50mm Art's firmware, I decided to see if I replicate the issue. I tested the lens' performance on my 5D Mark III and 7D Mark II and the lens focused accurately with no AFMA value applied in-camera or in-lens (via the USB dock) with firmware v.1.00. After updating Sigma Optimization Pro to the latest version, I upgraded the Sigma 50A's firmware to v.2.00. After the upgrade, the lens required a -6 AFMA correction to be applied either in-camera or in-lens (at all focus distances) for accurate autofocusing.
 
Note that the Sigma 50mm Art lens' AF was advertised as being adjusted in its specific firmware release notes for "an improved focus accuracy during Live View mode."
 
We're interested to know whether or not the AF recalibration is necessary for all of the lenses whose firmwares were updated, or if it's only the Sigma 50mm Art that's experiencing the issue. So if you have one of the following lenses and you'd like to provide your feedback, apply the latest firmware update and let us know if your lens required recalibration for accurate AF.
 

• SIGMA 35mm F1.4 DG HSM | Art Canon
• SIGMA 50mm F1.4 DG HSM | Art Canon
• SIGMA 85mm F1.4 DG HSM | Art Canon
• SIGMA 135mm F1.8 DG HSM | Art Canon
• SIGMA 18-35mm F1.8 DC HSM | Art Canon
• SIGMA 24-70mm F2.8 DG OS HSM | Art Canon
• SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary Canon

Let us know how it goes in the comments.

From Sigma:
 
This firmware update makes the SIGMA MOUNT CONVERTER MC-11 compatible with the new product as well as the latest firmware of SIGMA interchangeable lenses for Canon. It improves AF performance in the peripheral areas of the image as well as when the “Eye AF” function is selected. It also improves operation when some lenses that are not compatible with the MC-11 are attached.
 
For customers who own the SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E, please update the firmware via SIGMA Optimization Pro? by connecting it to a computer using the supplied USB Cable. After completing the firmware update, please remove the battery from the camera, re-insert it and turn on the camera before attaching the MC-11.
 
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 MOUNT CONVERTER MC-11 EF-E

Benefits of the update
 

• It has become compatible with the SIGMA 14-24mm F2.8 DG HSM | Art for Canon.
• It has become compatible with SIGMA interchangeable lenses for Canon that are updated to firmware ver.2.00.
  * SIGMA 35mm F1.4 DG HSM | Art, SIGMA 50mm F1.4 DG HSM | Art, SIGMA 85mm F1.4 DG HSM | Art, SIGMA 135mm F1.8 DG HSM | Art, SIGMA 18-35mm F1.8 DC HSM | Art, SIGMA 24-70mm F2.8 DG OS HSM | Art, SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary
• With the SGV lenses (Ver.2.00) listed below*, it has improved AF performance in the peripheral areas of the image as well as when the “Eye AF” function is selected.
• With lenses that are not compatible with the MC-11, it has corrected the release time lag which occurred during flash photography.
  * Please note that this does not guarantee accurate operation with all the lenses that are not compatible with the MC-11.

Downlad: SIGMA Optimization Pro
 
B&H carries the Sigma Mount Converter MC-11.

From Sigma:
 
Thank you for purchasing and using our products.
 
We would like to announce that a new firmware update for SIGMA interchangeable lenses for Canon is now available.
 
This firmware allows compatibility with Canon’s in-camera Lens Aberration Correction function to enable correction matching the optical characteristics of each lens. It also corrects the phenomenon that abnormal images appear or operation errors occur when the function is enabled.
 
For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware via SIGMA Optimization Pro.
 
Before updating the firmware using the SIGMA USB DOCK, please ensure to update SIGMA Optimization Pro to Ver. 1.4.1 or later for Windows, and Ver. 1.4.0 or later for Macintosh.
 
Downlad: SIGMA Optimization Pro
 
Applicable products
 

• SIGMA 35mm F1.4 DG HSM | Art Canon
• SIGMA 50mm F1.4 DG HSM | Art Canon
• SIGMA 85mm F1.4 DG HSM | Art Canon
• SIGMA 135mm F1.8 DG HSM | Art Canon
• SIGMA 18-35mm F1.8 DC HSM | Art Canon
• SIGMA 24-70mm F2.8 DG OS HSM | Art Canon
• SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary Canon

Benefits of the update
 

• It ensures compatibility with Canon’s in-camera Lens Aberration Correction function, which enables correction matching the optical characteristics of the attached lens. ?
• It corrects the phenomenon that abnormal images appear or operation errors occur when Canon’s in-camera Lens Aberration Correction function is enabled.
• It corrects the phenomenon that exposure during shooting through the viewfinder or Live View mode becomes unstable.
• It improves focus accuracy during Live View mode. (SIGMA 50mm F1.4 DG HSM | Art only)

* Compatible Canon camera models:EOS 1DX mark II, EOS 5Ds, EOS 5DsR, EOS 5D mark IV, EOS 6D Mark II, EOS 80D, EOS 8000D, (EOS Rebel T6s, EOS 760D, EOS 9000D), (EOS 77D, EOS Kiss X8i), (EOS Rebel T6i, EOS 750D, EOS Kiss X9i, (EOS Rebel T7i, EOS 800D, EOS Kiss X9), (EOS Rebel SL2, EOS 200D)
 
B&H carries Sigma Art and Contemporary lenses.

From Sigma:
 
Since 2013, The SIGMA Corporation has been offering a “Mount Conversion Service” for SIGMA’s Global Vision (Contemporary, Art and Sports) lenses. With this service, the mount and key components inside your lenses can be replaced, adjusted and optimized for another camera mount.
 
Since the introduction of this service, we have maintained the cost which was set originally to ensure the best possible customer support. This service requires not only a simple mount replacement, but also a detailed assessment of the individual lenses we receive from our customers.
 
Due to the growing complexity of the conversion service and the increasing cost of required parts, we are having to revise the cost of our Mount Conversion Service.
 
We appreciate your understanding and continued support for our company and products.

From Sigma:
 
New Products
 
SIGMA 70mm F2.8 DG MACRO | Art
 
Stunning resolution and clarity for a breathtaking visual experience — a razor-sharp macro lens joins the Art line
 
The new SIGMA 70mm F2.8 DG MACRO | Art lens is designed to prioritize optical performance. In the standard to mid-telephoto range, it delivers stunning resolution and incredible clarity that greatly exceed expectations for a macro lens. Photography enthusiasts will recall a certain legendary, razor-sharp macro lens—the SIGMA MACRO 70mm F2.8 EX DG—and be glad to learn it is available in a new form, updated with outstanding Art line quality.
 
SIGMA 14-24mm F2.8 DG HSM | Art
 
Zero distortion. The ultimate 14-24mm wide-aperture zoom lens. SIGMA is introducing the 14-24mm F2.8 DG HSM | Art as the ultimate ultra-wide-angle zoom. While minimizing distortion, this lens offers outstanding F2.8 brightness throughout the zoom range and delivers top-level image quality at every focal length and every shooting distance. For these reasons, it is the definitive wide-aperture ultra-wide-angle zoom lens.
 
SIGMA 105mm F1.4 DG HSM | Art
 
Introducing the “bokeh master”—featuring incredible resolution and designed for full-frame sensors, this is the longest focal length of the Art line’s F1.4 lenses
 
Since introducing its first SIGMA Global Vision F1.4 lens in 2012, the 35mm F1.4 DG HSM | Art, SIGMA has been adding wide-aperture F1.4 options to the lineup. SIGMA has designed all of these lenses to offer minimal optical aberration and deliver incredible resolution and stunning contrast. The SIGMA 105mm F1.4 DG HSM | Art has earned its place as the flagship of the F1.4 Art line lenses, prioritizing image quality above all to fulfill the promise of the line, delivering truly amazing optical performance.
 
New Product Features
 
SIGMA launches seven interchangeable Art lenses for Sony E-mount cameras with full-frame sensors
 
While offering the same high-performance optical design as other lenses in the Art line, the new Sony E-mount models will feature a newly developed control algorithm that optimizes the autofocus drive and maximizes the data transmission speed. In addition, these lenses will be compatible with Sony’s Continuous AF (AF-C) and high-speed autofocus, which are not addressed by MOUNT CONVERTER MC-11.
 
The lineup will include the Art line set of seven prime lenses covering 14mm to 135mm. It will also include two models that SIGMA will be exhibiting at CP+ 2018: 70mm F2.8 DG MACRO | Art and 105mm F1.4 DG HSM | Art (launch date TBD). Further, SIGMA plans to introduce additional Sony E-mount models in the Art line going forward.
 
B&H carries Sigma Global Vision lenses.

From Sigma:
 
The SIGMA Corporation is pleased to announce the release of its lens firmware version 2.00 for its SIGMA GLOBAL VISION (SGV) interchangeable lenses compatible with Canon digital cameras featuring Lens Aberration Correction. The three types of corrective functions available are for peripheral illumination, chromatic aberrations, and distortion.
 
By updating their lens firmware to version 2.00, customers with compatible SGV interchangeable lenses for Canon cameras can perform aberration corrections that match the optical characteristics of their lenses. In addition, by turning Lens Aberration Correction on and before taking photographs, users can prevent certain image and operation errors from occurring.
 
Compatible lenses (Release planned for March 7th, 2018)
 
Contemporary line
 

• SIGMA 100-400mm F5-6.3 DG OS HSM

Art line
 

• SIGMA 18-35mm F1.8 DC HSM
• SIGMA 24-70mm F2.8 DG OS HSM
• SIGMA 35mm F1.4 DG HSM
• SIGMA 50mm F1.4 DG HSM
• SIGMA 85mm F1.4 DG HSM
• SIGMA 135mm F1.8 DG HSM

Releases planned going forward
 
Contemporary line
 

• SIGMA 17-70mm F2.8-4 DC MACRO OS HSM
• SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM
• SIGMA 18-300mm F3.5-6.3 DC MACRO OS HSM
• SIGMA 150-600mm F5-6.3 DG OS HSM

Art line
 

• SIGMA 50-100mm F1.8 DC HSM
• SIGMA 30mm F1.4 DC HSM
• SIGMA 12-24mm F4 DG HSM
• SIGMA 24-35mm F2 DG HSM
• SIGMA 24-105mm F4 DG OS HSM
• SIGMA 14mm F1.8 DG HSM
• SIGMA 20mm F1.4 DG HSM
• SIGMA 24mm F1.4 DG HSM

Sports line
 

• SIGMA 120-300mm F2.8 DG OS HSM
• SIGMA 150-600mm F5-6.3 DG OS HSM
• SIGMA 500mm F4 DG OS HSM

The following lenses will be compatible with Canon Lens Aberration Correction upon release.
 

• SIGMA 14-24mm F2.8 DG HSM (release date: early March 2018)
• SIGMA 70mm F2.8 DG MACRO (release date: TBD)
• SIGMA 105mm F1.4 DG HSM (release date: TBD)

Compatible cameras
 
EOS 1D X Mark II,EOS 5Ds,EOS 5Ds R,EOS 5D Mark IV,EOS 6D Mark II,EOS 8000D(EOS Rebel T6s,EOS 760D), EOS 80D,EOS 9000D(EOS 77D),EOS Kiss x9i(EOS Rebel T7i, EOS 800D), EOS Kiss x9(EOS Rebel SL2, EOS 200D),EOS Kiss x8i(EOS Rebel T6i, EOS 750D )
 
About SIGMA lens firmware updates
 
By connecting a SIGMA Art, Contemporary, or Sports lens with the SIGMA USB DOCK (sold separately) to a computer on which SIGMA Optimization Pro Software is installed, photographers can update the lens firmware. For further information, please visit the SIGMA website.
 
For SIGMA lens owners who do not own the SIGMA USB DOCK, SIGMA performs lens firmware updates free of charge.
 
For further information, please contact your nearest authorized SIGMA subsidiary/distributor: http://www.sigma-global.com/en/about/world-network/
 
B&H carries the Sigma USB dock and Global Vision lenses.

From Sigma:

Front Conversion Service: Service Overview
 
To support the needs of virtual reality creators engaged in multi-camera videography, SIGMA is offering the new Front Conversion Service for the 14-24mm F2.8 DG HSM | Art lens . With this service, SIGMA converts the petal-type hood of the lens to an exclusive round component that lacks a light-blocking function. The new front helps prevent the lens from interfering with other lenses or from casting a visible shadow during multi-camera work. This is a for-fee service performed exclusively by SIGMA. Use of the service has no impact on the validity of the product warranty.
 
Cost, service time and warranty depends on each country and territory.
 
Please contact your nearest authorized SIGMA service station for more information.

I can't help but think that very few people will be removing their Sigma 14-24mm f/2.8 DG HSM Art's hoods, but the option is available for those doing "multi-camera work."
 
Can you think of any other reasons why you would want to leave such a large front element unprotected? Also, can you spot another notable difference in the lenses pictured above, aside from the missing lens hood? My guess is that at least one of these pictures was taken earlier in production, when the final design hadn't been fully estabilished. [Sean]

From SIGMA:
 
The SIGMA Corporation is pleased to announce the development of a new ultimate ultra-wide-angle zoom lens, SIGMA 14-24mm F2.8 DG HSM | Art.
 
Now SIGMA is introducing the 14-24mm F2.8 DG HSM | Art as the ultimate ultra-wide-angle zoom. While minimizing distortion, this lens offers outstanding F2.8 brightness throughout the zoom range and delivers top-level image quality at every focal length and every shooting distance. For these reasons, it is the definitive wide-aperture ultra-wide-angle zoom lens.
 
Features:
 

• Outstanding Art line image quality
• Compatible with Canon Lens Aberration Correction
• Dust- and splash-proof structure

Specifications
 

Lens construction	17 elements in 11 groups
Angle of view	114.2° - 84.1°
Number of diaphragm blades	9 (Rounded diaphragm)
Minimum aperture	F22
Minimum focusing distance	26cm* / 10.2 in.*
Maximum magnification ratio	1:5.4
Dimensions (diameter x length)	96.4mm × 135.1mm / 3.8in. x 5.3in.
Weight	1,150g / 40.6oz.

* At 24mm end of the zoom range
 
Corresponding AF Mounts
 

• SIGMA / NIKON / CANON

The Nikon mount version of this lens includes an electromagnetic diaphragm mechanism. Functionality may be limited on some camera bodies.
 
Release date and price: TBD
Accessories: Case, Cover Lens Cap (LC964-01)

SIGMA Corporation is proud to announce the launch of its first online magazine, SEIN Online. The magazine launches today, January 24, 2018, and can be found at the following address: sigma-sein.com/en
 
SEIN Online is an original web magazine created by SIGMA, manufacturer of digital cameras and interchangeable lenses for creative artists. The magazine’s aim is to share with its readers our passion and respect for visual culture and the art of photography, highlight our unique approach to manufacturing, and introduce the challenges and innovative ideas involved in our continuous quest to create the world’s best optical instruments.
 
Available in English
 
SEIN Online succeeds SEIN, a quarterly print magazine we started in 2014 to great success. In addition to the content already created for the printed SEIN our newly launched web magazine SEIN Online will see new categories and a constant addition of new articles in English and Japanese each month.
 
Original content capturing the heart of photography culture & expressing our brand philosophy
 
SEIN Online’s central theme can be summed up as “Life with photography, Scenes with SIGMA”. Employing a variety of forms — interviews, essays, special features and more — we aim to explore the joy and depth of taking photographs, of actively looking at the world. We aim to introduce our readers to new and fresh ways of thinking and imagining, and to illustrate SIGMA’s constant pursuit of innovative optical equipment of the highest quality.
 
Regular updates & new Instagram account
 
SEIN Online will be updated with new content four to five times each month, consisting of both newly created articles as well as material from SEIN’s archives.
 
Additionally, SIGMA launches an official SEIN Online Instagram account in order to further improve the reach and accessibility of SEIN Online’s content. We also plan to collaborate with other sites and services both in and outside of Japan.

From Sigma:
 
2017.10.24 – The SIGMA Corporation is pleased to announce the development of a new high-performance, large-diameter wide-angle lens, SIGMA 16mm F1.4 DC DN | Contemporary.
 
This is the world’s first interchangeable lens for mirrorless Sony E-mount cameras in the APS-C format to offer a 24mm focal length (35mm equivalent) and F1.4 brightness. This is the large-diameter wide-angle lens for which mirrorless camera users have been waiting.
 
With an optical system that rivals that of interchangeable lenses for full-size SLRs, the lens features a wide variety of high-tech optical elements. SIGMA has crafted a lens that leverages optical aberration minimization via the in-camera digital correction. This lens effectively minimizes optical aberrations and offers superb resolution at wide-open aperture and throughout the aperture range. The optical design and stepping motor deliver smooth autofocus during video shooting, while the mount features special sealing creating a dust- and splash-proof design.
 
Release date and price: TBD
Accessory: Petal type lens hood (LH716-01)
Corresponding AF mounts: Sony E-mount and Micro Four Thirds
 
* The appearance and specifications are subject to change without notice

This year's hurricane season has been disasterous for thousands of people, but one lens company has stepped up to do what it can for victims of hurricanes Harvey, Irma and Maria.
 
Until December 31, Sigma is offering complimentary service repairs to get your still-under-warranty lenses operating again or trade-in options "...for a special price" (according to an email from Sigma's Public Relations firm that we received).
 
The full details for Sigma's hurricane relief program can be found below:

Sigma hereby extends the warranty coverage of Sigma products still under warranty for damages incurred as a result of Hurricane Harvey, Irma and Maria. If your equipment is under warranty, Sigma will provide either (a) complimentary service to get your equipment running, or (b) a trade-in option. Just ship your damaged equipment to Sigma, and we will ship the equipment back to you without charge. All terms of your Sigma warranty coverage still apply, so when sending in your Sigma product, please be sure to include a copy of the original sales receipt as proof of purchase date. If you do not have appropriate documentation as a result of the Hurricanes, please contact us. Eligibility for this offer is subject to Sigma’s sole discretion. This offer is open through December 31, 2017 (we must receive your damaged equipment by that date).

We applaud Sigma's compassion and its dedication to taking care of customers ravaged by the devastating hurricanes.

From Sigma:
 
The breakthrough year for Sigma Global Vision Art, Contemporary and Sport lenses on display; brand new lens addition to be unveiled; Sigma Pros light up stage with new presentations
 
Ronkonkoma, NY – October 4, 2017 – Sigma Corporation of America, a leading still photo and cinema lens, camera, flash and accessory manufacturer, will showcase its full line up of Sigma Global Vision lenses, including a brand-new addition to the line, at the upcoming PDN PhotoPlus Expo 2017 Expo held at the Jacob Javits Convention Center in New York City from October 26-28, 2017 (booth 837). The company will also have on hand its breakthrough optics for the cinema market – the Sigma Cine high-speed Primes and Zooms – as well as the Foveon sensor-based sd Quattro and Quattro H cameras. “Sigma has had a landmark year with the introduction of seven new lenses across our Global Vision and Cine product lines,” states Mark Amir-Hamzeh, president of Sigma Corporation of America. “Our research and development team is dedicated to creating superior optics that meet the ever-growing requirements of today’s high resolution cameras, taking advantage of every possible design and element to capture the greatest picture detail for both still and moving images. We look forward to showcasing the culmination of what has been a remarkable year in optical advancements for Sigma at this year’s PPE event.” Sigma 2017 introductions include the award-winning 14mm F1.4 DG HSM Art, 24-70mm F2.8 DG OS HSM Art, 135mm F1.8 DG HSM Art, 100-400mm F5-6.3 DG OS HSM Contemporary Sigma Global Vision lenses and the new Sigma Cine FF High Speed 14mm T2 and 135mm T2 prime lenses.
 
Sigma Special PPE Presentation – Sigma Pro Phenom Jen Rozenbaum
Sigma Pro Jen Rozenbaum will take the PPE stage on Wednesday, October 25, 11:00 AM - 12:30 PM to deliver a PPE Master Class on “How to make every woman look amazing.” Jen will share with attendees her vast experience in boudoir photography, providing top tips and secret tricks - from wardrobe to posing - that flatter all women. Jen’s presentation will help attendees understand how to best dress and pose any woman of any size and shape as well as gain confidence behind the camera whether they are shooting boudoir, wedding or seniors!
 
Master Photographers Take the Sigma Stage
Showcasing the very best in photography craft, the expanded Sigma Pro family will headline the Sigma stage and offer attendees a behind the lens look at the techniques and technology that captured some of the year’s most outstanding photographs in the areas of aviation, editorial, glamour, landscapes, travel and weddings.
 
This year’s prestigious Sigma Pro PPE stage line-up includes outdoor sports and adventure travel photographer Liam Doran, aviation photo expert Jim Koepnick, renowned bird and travel photographer Roman Kurywczak, fearless woman photographer Jen Rozenbaum, and glamour and wedding photographer Jim Schmelzer.
 
For the Sigma Pro presentation schedule days and times, please visit: https://blog.sigmaphoto.com/event/photoplus-2017/ ?
 
Sigma Super Giveaways at PPE 2017
PPE 2017 attendees who visit Sigma at booth 837 will have a chance to enter and win a Sigma grand giveaway – a 24-70mm F2.8 Art – an MSRP value of $1299.00 USD!

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.