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Sigma 17mm F4 DG DN and 50mm F2 DG DN Lens


Martin Vronsky
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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.

sigma_17mm_lens.thumb.jpg.aa4d587a7fba7391c1b39391540f9142.jpg

  • "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.

sigma_50mm_lens.thumb.jpg.a7d96975d724f8495179a2c3e75c9b75.jpg

  • "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
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Sigma 17mm F4 DG DN specs:

Lens type - Prime lens
Max Format size - 35mm FF
Focal length - 17 mm
Image stabilization - No
Lens mount - L-Mount, Sony FE

Aperture
Maximum aperture - F4
Minimum aperture - F22
Aperture ring - Yes
Number of diaphragm blades - 7
Aperture notes - Rounded blades

Optics
Elements - 9
Groups - 8
Special elements / coatings: 3 aspherical and 2 super low dispersion

Focus
Minimum focus - 0.12 m (4.72″)
Maximum magnification - 0.27×
Autofocus - Yes
Motor type - Stepper motor
Full time manual - No
Focus method - Internal
Distance scale - No
DoF scale - No

Physical
Weight - 225 g (0.50 lb)
Diameter - 64 mm (2.52″)
Length - 49 mm (1.92″)
Sealing - Yes
Colour - Black
Filter thread - 55 mm
Hood supplied - Yes
Hood product code - LH576-03
Tripod collar - No

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Sigma 50mm F2 DG DN Specs:

Lens type - Prime lens
Max Format size - 35mm FF
Focal length - 50 mm
Image stabilization - No
Lens mount - L-Mount, Sony FE

Aperture
Maximum aperture - F2
Minimum aperture - F22
Aperture ring - Yes
Number of diaphragm blades - 9
Aperture notes - Rounded blades

Optics
Elements - 11
Groups - 9
Special elements / coatings: 3 aspherical and 1 super low dispersion

Focus
Minimum focus - 0.45 m (17.72″)
Maximum magnification - 0.14×
Autofocus - Yes
Motor type - Stepper motor
Full time manual - No
Focus method - Internal
Distance scale - No
DoF scale - No

Physical
Weight - 350 g (0.77 lb)
Diameter - 70 mm (2.76″)
Length - 68 mm (2.68″)
Sealing - Yes
Colour - Black
Filter thread - 58 mm
Hood supplied - Yes
Hood product code - LH633-01
Tripod collar - No

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My Sigma 17mm f4 DG DN review: a fun and affordable ultra-wide lens!

  • 00:00 - Introduction and alternatives
  • 01:03 - Sigma 17mm f4 DG DN design and controls
  • 02:15 - Sigma 17mm f4 DG DN focusing and face tracking
  • 03:13 - Sigma 17mm f4 DG DN focus breathing
  • 03:37 - Sigma 17mm f4 DG DN lens profile
  • 03:57 - Sigma 17mm f4 DG DN landscape quality
  • 04:51 - Sigma 17mm f4 DG DN portrait quality
  • 05:15 - Sigma 17mm f4 DG DN vlogging quality ZV-E1
  • 07:31 - Sigma 17mm f4 DG DN bokeh quality
  • 08:06 - Sigma 17mm f4 DG DN diffraction sunstars quality
  • 08:13 - Sigma 17mm f4 DG DN close-up macro quality
  • 08:55 - Sigma 17mm f4 DG DN sample images and verdict

 

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My Sigma 50mm f2 DG DN review: one of the best standard lenses under $650

  • 00:00 - Introduction and alternatives
  • 00:48 - Sigma 50mm f2 DG DN design and controls
  • 02:00 - Sigma 50mm f2 DG DN focusing and face tracking
  • 03:23 - Sigma 50mm f2 DG DN focus breathing
  • 03:48 - Sigma 50mm f2 DG DN lens profile
  • 04:08 - Sigma 50mm f2 DG DN landscape quality
  • 04:58 - Sigma 50mm f2 DG DN portrait quality
  • 05:33 - Sigma 50mm f2 DG DN bokeh quality
  • 06:22 - Sigma 50mm f2 DG DN close-up macro quality
  • 07:03 - Sigma 50mm f2 DG DN sample images and verdict 

 

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Introducing three new prime lenses from Sigma’s Contemporary line, the Sigma 17mm f/4 DG DN , 50mm f/2 DG DN, 23mm f/1.4 DC DN Contemporary Lenses! Don’t be fooled by their small form factor: they still offer a robust build and beautiful image quality. Join as Jabari discusses the features of these lenses, as well as our experiences testing them out!

  • 0:00 Intro
  • 0:49 Specs
  • 2:32 In Use
  • 4:35 Additional Specs
  • 4:59 Which Lens is For You?
  • 5:59 Final Thoughts

 

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  • 3 weeks later...
  • 3 weeks later...
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Chris and Jordan are big fans of compact, ultra-wide angle lenses, so they were excited to test out the new Sigma 17mm F4 DG DN Contemporary. How does the lens compare to the other options for Sony E-Mount and L-Mount? We have some answers.

  • 0:00 - Intro
  • 0:47 - Size and controls
  • 1:40 - Video performance
  • 2:09 - Close-up performance
  • 2:44 - Autofocus
  • 3:20 - Flare and sunstars
  • 3:53 - Chromatic aberrations
  • 4:19 - Bokeh
  • 5:32 - Sharpeness
  • 6:30 - E-Mount alternatives
  • 6:50 - L-Mount alternatives

 

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