- Vue d'ensemble
Professional-level performance in a compact package, bringing you new creative possibilities.
The SIGMA I series introduces compact, beautifully designed, high-performance optics for mirrorless camera systems. In its first collection, SIGMA introduces a versatile 35mm prime lens to the Contemporary line-up, which combines excellent resolving power with a small body that is perfectly weighted for mirrorless systems.
The 35mm F2 DG DN | Contemporary, a classic wide standard prime which photographers would not want to compromise on, comes with a maximum aperture of F2, and offers both compactness and high optical performance. Its modest size and weight make it portable enough to be carried around in a small kitbag for day-to-day shooting, but owing to its outstanding optical quality, wide aperture, and the high quality constructed body which is guaranteed for the I series, it is equally comfortable being used for professional photo such as night sky photography and video works. This all-new wide standard lens is designed for photographers who value the experience of taking a picture just as much as the quality of the results.
1. I series ｜A new photographic experience, “Premium Compact Primes” for mirrorless users
The SIGMA I series features full-frame-compatible lenses that offer mirrorless users a new and better alternative, both in the experience of shooting with the lens and in the impressive results it is able to achieve.
One of the key advantages of mirrorless cameras is their smaller form-factor, and this new 35mm optic is designed to be perfectly matched to these more compact systems without sacrificing performance. This combination of superb optical quality with exceptional portability, not previously possible with DSLR systems, will bring new opportunities to this and future generations of photographers.
Simultaneously, SIGMA is aware that, in this day and age when we have such huge diversity when it comes to what we use to photograph, as represented by smartphones, people look for something more than a mere act of "taking pictures" when they choose to own a camera and lenses. SIGMA's excellence in development and processing technologies has been built up since its founding in 1961, and has become further sophisticated with the introduction of the SIGMA Global Vision in 2012. With this as a base, SIGMA has given careful thought how photographers use and enjoy their lenses, including optical design, advanced functionality, build quality and the experience of picking up and using the lens, and with all of this carefully considered, the I series was born.
2. New standards of optical performance for the Contemporary line
The 35mm F2 DG DN | Contemporary brings to the table the highest level of optical performance at a maximum aperture of F2 with a lens body of a size that matches a mirrorless system.
Axial chromatic aberration, a point of particular concern with a bright lens, is corrected with SLD glass, while an optimal placement of high-refractive index elements provides effective correction of various types of aberration while keeping the amount of glass used to a minimum. The use of three high-precision glass-molded aspherical lenses, which were made possible thanks to advanced production technology at the Aizu factory, SIGMA's only production site. These elements provide correction of spherical aberration and field curvature, and the fluctuation of aberration at the time of focusing. The lens design also provides a very good correction of sagittal coma aberration, making it capable of capturing details fine enough for it to be used for night sky photography.
Thanks to cutting edge optical design and advanced processing technology, the 35mm F2 DG DN | Contemporary offers consistent, high resolving power right across the frame.
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, which 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 provides an exquisite feel to touch as well as sound effects, making photographers want to reach for it and play with it over and over again.
The cover ring between the focus ring and the aperture ring has hairline processing that is also used for the rear cylinder of the Art line. This covering functions as a finger hold when attaching or detaching the lens.
- Lens construction: 10 elements in 9 groups, with 1 SLD glass and 3 aspherical lenses
- Compatible with high-speed autofocus
- Stepping motor
- Compatible with lens-based optical correction
* Function available on supported cameras only. Available corrections may vary depending on the camera model.
- Mount with dust- and splash-proof structure
- Super Multi-Layer Coating
- Aperture ring
- Focus Mode Switch
- Lens Hood
- Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
- Designed to minimize flare and ghosting
- Supports DMF, AF+MF (for Sony E-mount only)
- Inner focus
- Every single lens undergoes SIGMA's proprietary MTF measuring system "A1"
- 9-blade rounded diaphragm
- High-precision, durable brass bayonet mount
- "Made in Japan" craftsmanship
- Spécifications Techniques
Lens Construction 10 elements in 9 groups Angle of View (DC) 63.4° Number of Diaphragm Blades 9 (Rounded diaphragm) Minimum Aperture f22 Minimum Focusing Distance 10.6 in. (27cm) Filter Size (mm) 58mm Maximum Magnifications 1:5.7 Dimensions
(Diameter x Length)
L-Mount: 2.8 x 2.6 in. (70 x 65.4mm)
E-Mount: 2.8 x 2.7 in. (70 x 67.4mm)
Weight 11.5 oz. (325g) Corresponding Mounts
All figures calculated by L-Mount.
Note: The L-Mount Trademark is a registered Trademark of Leica Camera AG.
About Product Name: Product name includes “DG” when the lens is designed to deliver the ultimate in performance on cameras with full-frame sensors, and “DN” when the lens design is optimized for mirrorless cameras with the short flange focal length.
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