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Sunrise, sunset: Sigma 24-35mm F2 DG HSM Art gallery updated

Sunset is coming early in the day again, and while that marks the start of a grey season here, the beginning of fall makes for some glorious golden hours. Recently, Tech Editor Rishi Sanyal ventured out with the Sigma 24-35mm F2 Art for a sunset portrait session. Take a look at our expanded real-world samples. Read more

20:20 vision: Hands-on with Sigma's 20mm F1.4 'Art'

Sigma has grown its 'Art' lineup of prime lenses again, with a new 20mm F1.4 for Canon, Nikon and Sigma mounts. The new 20mm F1.4 DG HSM | Art  is designed for full frame DSLRs, and Sigma claims that the 20mm F1.4 is the result of new production technologies including a 59mm double aspherical element. The new 20mm will go on sale from November priced at £849.99/$899.99, and we just got our hands on a sample at the Photo Plus Expo in New York. Click through for some first impressions

Wide angle: Sigma's new Art lens is fastest 20mm in the world

Lens manufacturer Sigma has introduced a new lens to its Art range of premium optics that it claims is the fastest 20mm in the world. The new 20mm F1.4 DG HSM | Art  is designed for full frame cameras and will be available in mounts for Canon EF, Nikon F and Sigma models. Read more

Sigma 24-35mm F2 DG HSM A real-world sample gallery posted

There's been a great deal of interest in the Sigma 24-35mm F2 Art lens since its launch last month. And who can blame the internet for getting excited over the world's fastest full-frame zoom? With all of the appeal and high-end touches offered by Sigma's 'Art' series, the 24-35mm just begs to be taken out for a spin - and DPReview's Deputy Editor Rishi Sanyal did just that. See the gallery

Tamron and Sigma offer firmware update service for Canon EOS 5DS/5DS R live view issues

Tamron and Sigma have both announced updates for their lenses to provide full compatibility with Canon's EOS 5DS and 5DS R models. Both firmware updates refer to behavior in live view shooting, something that has also caused problems in the Rebel T6s and T6i. This suggests that Canon's latest models feature a change in the way they drive lenses. Read more

Sigma announces 24-35mm F2 DG HSM Art for full frame cameras

Sigma has announced the 24-35mm F2 DG HSM Art, a constant wide-aperture, wide-angle zoom for full frame cameras. Part of the company's high-end 'Art' range, Sigma suggests the lens can play the same role as a 24, 28 and 35mm set of prime lenses. The lens has a minimum focusing distance of 28cm, giving a maximum magnification ratio of 1:4.4. Click through for more details

Sigma announces price and release date for its 21mm dp0 Quattro compact camera

Sigma UK has said that the company's latest compact camera from the Quattro line will cost £899.99 and will be available from the end of June. First announced at the CP+ show in February this year, the dp0 Quattro is the fourth of the unusually designed Quattro range and features a 14mm F4 lens. With the 23.5x15.7mm Foveon image sensor this focal length delivers a similar angle of view as a 21mm lens would on a full frame system. Read more

Field Test: Sigma 19mm, 30mm and 60mm F2.8 DN lenses

Sigma's 19mm F2.8 DN, 30mm F2.8 DN and 60mm F2.8 DN Art lenses were launched at the CP+ show in Yokohama way back in January 2013. We've been using these inexpensive primes on both Sony E-mount and Micro Four Thirds cameras for a while now, and our man in London, Damien Demolder has written up his impressions. We pooled our sample images for this field test. Read more

Sigma service notice advises of Canon 750D and 760D Live View issue

Sigma has issued a service notice advising that some of its Canon mount interchangeable lenses cannot be used with Live Mode on the Canon EOS Rebel T6s (760D) and the Canon EOS Rebel T6i (750D). Lens owners will receive a free firmware update to fix the problem, though the company has not provided a timeframe for when the update is expected. Both current and discontinued lens models are affected by this issue. Read more

Making 'Art': We go inside Sigma's lens factory

On our recent visit to Japan to attend the CP+ show in Yokohama we were fortunate to be invited to tour Sigma's factory in Aizu. The Aizu factory is where all of Sigma's lenses are manufactured, including the company's impressive new 'Art' line of primes. Click through to take a virtual tour of the factory, in the company of Kazuto Yamaki, Sigma's CEO. 

CP+ 2015 Sigma Interview - "small office, big factory"

At this year's CP+ show in Yokohama Japan we made time to sit down with several senior executives from major manufacturers, including Sigma. In this interview with Kazuto Yamaki, CEO of Sigma, we spoke about the challenges of making lenses for ever-increasing pixel counts, the company's 'small office, big factory' philosophy and why the company is continuing to make cameras. Read more

New samples from the Sigma 24mm F1.4 DG HSM Art lens

We were recently lucky enough to visit Sigma's factory in Aizu, Japan, where Sigma allowed us to shoot with a pre-production sample of the recently-announced 24mm F1.4 DG HSM Art lens. The wintry landscape of the Fukushima prefecture was a nice contrast to the CP+ convention center where we last gathered some samples with this lens, and our recent samples are more representative of lens performance on a native mount body (Canon 6D). Have a look

[UPDATED] CP+ 2015: First samples from the Sigma 24mm F1.4 DG HSM Art lens

UPDATED: We're at the CP+ show in Yokohama Japan, where Sigma is showing its brand new 24mm f1.4 full-frame prime lens. The latest in the company's 'Art' series of fast primes, we have high hopes for the new lens based on our extremely positive impressions of the 35mm and 50mm lenses which have come before it. Sigma very kindly let us shoot some sample images on a late pre-production lens and it does indeed look very, very nice. Click through to take a look.

CP+ 2015: Hands on with Sigma's new 24mm F1.4 DG HSM Art lens

One of the most interesting lenses at CP+ for enthusiast photographers is Sigma's new 24mm F1.4 DG HSM Art. We made a beeline for the Sigma stand as soon as we arrived on the show floor and got our hands on this intriguing new prime. Click through for some photos and our initial impressions of its build and image quality, based on some initial sample images. 

Sigma announces pricing for 24mm Art and 150-600mm Contemporary lenses

Sigma has attached prices to its very recently announced 24mm F1.4 Art lens, as well as the 150-600mm F5-6.3 super telephoto that appeared at Photokina. The full frame 24mm lens, which supports Canon, Nikon, and Sigma mounts, will be available next month at a price of $849. The 150-600mm - also designed for full frame bodies - will be priced at $1089 and will ship next month for Canon and Nikon mounts. Read more

Sigma goes wide with 24mm F1.4 DG HSM Art lens

With the CP+ tradeshow in Japan about to kick off, Sigma has unveiled a 24mm F1.4 DG HSM wide angle prime lens, joining its 'Art' series of premium glass. Designed to cover a full-frame sensor, it will be offered in Canon, Nikon and Sigma mounts with availability and pricing yet to be announced. Read more

Sigma dp0 Quattro announced with 14mm F4 lens

Sigma has announced its fourth compact in its unique Quattro series. The dp0 features a fixed 14mm F4 lens (21mm equivalent) along with the unconventional styling of its peers. Its Foveon X3 CMOS sensor is divided into three layers to record red, green and blue wavelengths separately, and the top layer captures 19.6MP of information. Read more

Sigma promises firmware fix for Pentax mount 17-70mm f/2.8-4 lens

Sigma has acknowledged a problem that Pentax users are suffering from when the company’s 17-70mm f/2.8-4 DC Macro HSM Contemporary lens is used on Pentax DSLR bodies with in-camera image stabilization activated. To rectify the issue the lens manufacturer has promised a firmware update for the lens, but hasn't yet specified a release date. Read more

Sigma updates USB dock for new lenses

Lens manufacturer Sigma has issued an update to the firmware of its USB dock to make it compatible with the new 150-600mm f/5.6-6.3 DG OS HSM S and 18-300mm f/3.5-6.3DC Macro OS HSM lenses. Although these lenses are available in Sigma, Canon and Nikon mounts, the update for the USB dock does not yet cover these lenses in the Nikon fit, and Sigma hasn't indicated when it will. Read more

Photokina 2014: Hands on with Sigma's new 150-600mm telezooms

The stars of Sigma's booth at this years Photokina were two new telezoom lenses - 'C' and 'S' versions of a 150-600mm F/5-6.3 DG OS HSM aimed at enthusiasts and sports / wildlife professionals, respectively. The company was also showing off its new 18-300mm F/3.5-6.3 DC Macro OS HSM 'C' for APS-C DSLRs. We headed to the company's stand on our final day at the show, and got our hands on the new gear (except the stuff behind glass). Click through to see more.

Sigma announces liquid-repellent filters and clear glass protectors

Optical manufacturer Sigma has expanded its portfolio of lens filters with the introduction of four new models, three of which feature water and oil repellent coatings. The new coatings have been applied to the company's ultra violet and circular polariser filters, as well as a new clear-glass protector. Read more

Sigma announces dp1 Quattro and LVF-01 loupe

Sigma has announced that the dp1 Quattro, a large-sensor compact that will be available from mid-October. The dp1 Quattro marries a 28mm equivalent F2.8 lens to the latest generation of Sigma's Foveon technology. The dp1 Quattro joins the 40mm equivalent dp2 Quattro in the company's lineup, with the promise of a 75mm equivalent dp3 Quattro to follow. Read more

Sigma announces 18-300mm F/3.5-6.3 DC Macro OS HSM 'C'

Sigma has announced a new superzoom lens for APS-C format DSLRs. The 18-300mm F/3.5-6.3 DC Macro OS HSM takes its place in the company's 'Contemporary' linep, offering a focal range equivalent to 27-450mm. The new lens will be available next month for $579 in Sigma, Nikon, Canon Pentax and Sony mounts - the latter two will not feature OS optical image stabilization. Read more 

Sigma announces two 150-600mm F/5-6.3 DG OS HSM zooms

Sigma has announced a pair of new telezoom lenses. Both described as the '150-600mm F/5-6.3 DG OS HSM' one carries Sigma's 'Contemporary' branding and one is positioned in its 'Sport' lineup. The sports version is dust and splash-proof, while both lenses boast new versions of Sigma's optical image stabilization system. Under the hood though, their construction is significantly different. Read more 

Sigma offers 'Try before you buy' program for DP2 Quattro

Photographers looking to try out a Sigma dp2 Quattro compact digital camera before making a purchase (and given its radical design, that's a really good idea) can now take advantage of the Sigma 'Try Before You Buy' loaner program, launched today. Under the new program, photographers are invited to test the new camera before it begins shipping. Learn more

Sigma announces US pricing and availability of dp2 Quattro

Sigma has announced US pricing and availability for its latest camera the dp2 Quattro. Featuring a newly-developed ~19.6 million pixel APS-C Foveon sensor and a completely new body design, the dp2 Quattro has a 30mm F2.8 lens (45mm equivalent) and will be available in the USA in early August at a street price of $999. Click through for the press release.

Sigma UK gives pricing and availability for dp2 Quattro + Specs

Sigma UK has revealed pricing and availability for its dp2 Quattro, along with much more information about the camera than we got when it was announced in February. The latest, 45mm-equivalent, model features dramatic styling and a fundamental re-think of the company's Foveon multi-layer sensor design. It will be available in early July with a suggested retail price of £899.99 including VAT. In the USA availability is estimated as early August and the street price will be $999. Learn more

Sigma 50mm F1.4 DG HSM 'Art' lab test report

The Sigma 50mm F1.4 DG HSM 'Art' is a fast normal prime for full frame cameras, with an unusually complex optical design. Its premium price tag of $950 / £850 makes it substantially more expensive than either its predecessor, or Canon and Nikon's 50mm F1.4 lenses. However Sigma's recent high-end offerings such as the 35mm F1.4 DG HSM and 18-35mm F1.8 DC HSM have been truly excellent, so how does the new 50mm measure up? See the lens test data and our analysis

Sigma 50mm F1.4 DG HSM 'Art' real-world samples gallery

The 50mm F1.4 DG HSM is Sigma's latest fast normal prime for full-frame cameras, and one of the most hotly-anticipated lenses of the year. But how does it perform in real-world use?  We've been using the lens for a couple of days, and put together a gallery of samples. We've concentrated on large-aperture shots to show sharpness and bokeh, but have also included several taken at smaller apertures. See photos

Sigma announces 50mm F1.4 DG HSM Art pricing and availability

Sigma has released pricing and availability information of its new 50mm F1.4 DG HSM Art lens. First announced in January at CES, the 50mm F1.4 DG HSM Art is a completely new lens, rather than a revision of Sigma's existing 50mm F1.4 EX DG HSM. The lens employs the company's Hyper Sonic Motor (HSM) system and has 13 elements in eight groups. It will be available for Sigma, Sony, Nikon, and Canon mounts in late April for $949. The UK RRP will be £849.99. Learn more 

Sigma to pay Nikon $14.5 million for VR patent infringement

The Tokyo District Court has ruled in favor of Nikon in a patent infringement case brought against Sigma. The lawsuit, filed in 2011 and settled last month alleged that six of Sigma's interchangeable lenses infringed on certain Nikon patents relating to VR (vibration reduction) technology. Click through for more details. 

Sigma 18-200mm F3.5-6.3 DC Macro OS HSM | C samples gallery

Sigma's 18-200mm F3.5-6.3 DC Macro OS HSM | C is the latest version of its popular stabilized superzoom lens for APS-C / DX format SLRs. It's smaller and lighter than the previous model (the 18-200mm F3.5-6.3 II DC OS HSM from 2011), but offers an updated optical design with improved close-focusing abilities. Sigma shipped us a sample a few days ago so we could try it out and we've been running around (in typically unpredictable Seattle weather) getting some real-world samples. Click through to see the shots.

A look inside Sigma's lens factory

Sigma gives us another behind the scenes look at their Aizu, Japan lens factory in a video released during the CP+ trade show. It's an artsy factory tour highlighting the craftsmanship and the process of how their lenses are assembled. They released a similar video during Photokina 2012 and have since gained some popularity with their higher end 35mm F1.4 DG HSM and the 120-300mm F2.8 DG OS HSM lenses. See video

CP+ 2014: Sigma interview - 'we have survived because we make unique products'

We're at the CP+ show in Japan this week, where Editor Barnaby Britton sat down with Kazuto Yamaki, CEO of Sigma, for a chat about the dp2 Quattro, as well as the challenges of the modern photography industry and what it's like being the head of a family business.

CP+ 2014: Hands-on with Sigma DP2 Quattro

We've never accused Sigma of lacking innovation, and while the Japanese manufacturer is best known for making lenses, Sigma also markets a line of cameras. The latest - the DP2 Quattro - features an all-new ~19.6 million pixel APC-C Foveon sensor and a completely new body design. Is this (in Sigma's words) a 'reinvention of camera'? We won't know until we've tried one out, but in the meantime click through for an initial hands-on look. 

Sigma unveils radical DP2 Quattro with re-thought ~19.6MP Foveon sensor

Sigma has revealed the next generation of its DP series of APS-C sensor, fixed focal length cameras, with the dp2 Quattro. The latest, 45mm-equivalent, model features dramatic styling and a fundamental re-think of the company's Foveon multi-layer sensor design. The Quattro sensor still uses three layers to detect color information but now only captures its full, 19.6 million pixel resolution in the top layer, with lower two layers capturing 4.9MP of information each. The sensor will also appear in 28mm and 75mm equivalent dp1 Quattro and dp3 Quattro models.

CES 2014: Sigma Stand Report

CES 2014: Sigma Photo had a good-sized booth and were showing off their latest lenses, as well as some old favorites. The new lenses are a budget-friendly 18-200mm F3.5-6.3 superzoom, as well as a 50mm F1.4 Prime. Click to see them in action.

Sigma announces all-new 50mm F1.4 DG HSM 'Art' lens

CES 2014: Sigma has announced the 50mm F1.4 DG HSM | A, a fast 'normal' prime for full frame DSLRs. It will also work on APS-C / DX format cameras, offering a 75mm equivalent short telephoto effect. It's a completely new lens, rather than a revision of Sigma's existing 50mm F1.4, with an unusually complex optical formula for its type (13 elements in 8 groups). It'll come in Canon, Nikon, Sigma and Sony mounts; pricing and availability are still to be confirmed.  

Sigma releases updated 18-200mm F3.5-6.3 DC Macro OS HSM superzoom

CES 2014: Sigma has announced the 18-200mm F3.5-6.3 DC Macro OS HSM | C, a superzoom lens for APS-C / DX format SLRs. With a 28-300mm equivalent zoom range, it's smaller and lighter than its predecessor, and has a shorter minimum focus distance. It will be available in Canon, Nikon, Pentax, Sigma, and Sony mounts; as usual the Pentax and Sony versions won't have optical stabilisation. Availability is still to be confirmed but Sigma USA has set a recommended price of $399.

Fujifilm, Sigma, and Pentax post firmware updates

Over the last few days a number of firmware updates have been posted. Fujifilm has new firmware for the following cameras: X-Pro1, X-E1, X-E2, and X100S. From Sigma, there are updates for the SD1 and SD1 Merrill. And finally from Pentax, the K-3 also has new firmware. Get download links and more information about each update. Learn more

DPReview Gear of the year 2013 - Part 4: Sigma 18-35mm F1.8 DC HSM

In this series of short articles, DPReview staff will be highlighting their personal standout products of the year. It might be a camera, a lens, an accessory or even a piece of software. In part 4, Richard Butler discusses the Sigma 18-35mm F1.8 DC HSM and what it means for APS-C shooters.

Sigma issues advisory on lens compatibility with Nikon Df

Sigma has posted a statement on its website regarding incompatibilities between its lenses and the Nikon Df. As with the D5300, both autofocus and image stabilisation may not work correctly; however lenses without built-in focus motors are also affected when used on the Df. The company says it will provide free lens firmware updates to fix the issue, but this may not be possible with discontinued models. Click through for full details.

Sigma fixes Nikon D5300 lens compatibility issues

Sigma has posted a firmware update of SIGMA Optimization Pro, the dedicated software for the SIGMA USB DOCK, that enables the D5300 to be fully functional with five lenses. Learn more

Sigma issues advisory on lens compatibility with Nikon D5300

Sigma has posted a statement on its website regarding incompatibilities between its lenses and the Nikon D5300. Lenses with built-in focus motors may not autofocus correctly in Live View mode, and Optical Stabilisation (OS) may not work correctly. The company says it will provide a free firmware update for affected lenses to fix the issue, but this may not be possible with discontinued models. Click through for full details.

Sigma updates SD1 and Photo Pro to support 18-35 F1.8 DC HSM lens

Sigma has released updates for its SD1 and SD1 Merrill cameras - as well as for its Photo Pro software - to add support for the recently released 18-35 F1.8 DC HSM lens. On the camera side, the SD1 firmware update improves color in peripheral areas of the image when the aperture is wide open. As for software, Sigma's Photo Pro v5.5.3 is now optimized for Raw (X3F) images taken with the SD1 camera and 18-35 lens.

Sigma announces pricing and availability of 24-105mm F4 lens

Buried among all of the cameras announced last week was a new 24-105mm F4 DG OS HSM lens from Sigma. The company has announced pricing and availability for this full-frame 'Art lens', which will be available for Canon, Nikon, Sigma, and Sony mounts (in that order). You'll be able to pick one up for yourself starting next month at a retail price of $899. In the UK, the recommended retail price will be £849.99.

Sigma announces 24-105mm F4 DG OS HSM full frame standard zoom

Sigma has announced the 24-105mm F4 DG OS HSM - an image stabilized normal zoom for full frame DSLRs. The 24-105 becomes the latest addition to the company's 'Art' series of lenses designed to offer high image quality. The lens features a 19 element/14 group design including Sigma's FLD glass and both single- and double-sided aspherical elements which the company says will minimize aberrations. It has a minimum focusing distance of 45cm throughout its range, giving a maximum magnification of 1:4.6. Prices and availability have yet to be announced.

Real-world samples from the Nikon-mount Sigma 18-35mm F1.8 DC HSM

Sigma USA has announced availability of the Nikon-mount version of its 18-35mm F1.8 DC HSM Art fast zoom for APS-C DSLRs. The Nikon version will retail for around $799, the same price as the Canon version, and will be available from November. We've been shooting with one for the past few days, and have put together a sample gallery of images showing what it's capable of.

Where the sharpness comes from: A tour of Sigma's factory

Some people are happy to shoot with lenses and think only of the results, but it can also be fascinating to think about how such complex, precision pieces of engineering are made. Some insight is provided by Dave Etchells over at Imaging Resource, who has just posted a story about his visit to Sigma's factory in Aizu, Japan. However, no matter how hard you try, you can't make every lens perfect - as Lensrentals Roger Cicala explains in his recent blog post. Click through for more.

Sigma updates firmware for 35mm F1.4 and 17-70mm F2.8-4 lenses

Sigma has announced firmware updates for two of its most recent lenses. Version 1.02 for the 35mm F1.4 DG HSM A012 (Canon mount) and version 1.01 for the 17-70mm F2.8-4 DC Macro OS HSM C013 (Canon, Nikon and Sigma mounts) bring improvements to autofocus operation and, for the latter, optical stabilisation. The lenses must be updated using Sigma's USB Dock, and owners should download the latest Version 1.1 of Sigma Optimization Pro software first. Click through for more details and the download link. 

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