Sigma 90mm f2.8 DG DN Contemporary - Sony E - 1060406

Sigma 90mm f2.8 DG DN Contemporary - Sony E - 1060406

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 90mm 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 it was founded 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 to 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.

New standards of optical performance for the Contemporary line

The SIGMA 90mm F2.8 DG DN | Contemporary boasts exceptional optical performance with a ultra-high resolving power to match the latest high-resolution mirrorless cameras.

The lens is built using the very latest optical technology, and includes five SLD glass elements. This helps to reduce axial chromatic aberration that cannot be corrected in-camera, allowing the lens to achieve high resolution and clear image quality with no color bleeding. A high-precision glass molded aspherical lens provides both high resolution and beautiful bokeh. Photographers can enjoy shooting with soft, large bokeh without coloration and this is something that only a full-frame lens is able to deliver.

The lens also utilizes the camera’s optical correction functionality, which is an advantage of mirrorless systems, SIGMA's optical designers were therefore able to concentrate on correcting aberrations that can only be corrected by the optical design, thereby improving rendering performance and reducing the size and weight of the lens.

With a minimum focusing distance of 50cm and a maximum magnification ratio of 1:5, close-up macro-style photography is possible. The lens highlights the subject, allowing photographers to focus in on fine details or create more abstract compositions.

The AF drive system incorporates a quiet, high-speed stepping motor, making it suitable for still images as well as video recording.

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.

The 90mm F2.8 DG DN | Contemporary shares the same φ64mm maximum diameter and 55mm filter size as the 24mm F3.5 DG DN | Contemporary and the 45mm F2.8 DG DN | Contemporary, making them a natural trio, especially for filmmakers who use filters more regularly. With a combined weight of only 735grams / 25.9oz.^※, these three lenses (wide-angle, standard, mid-telephoto) can be used in tandem as part of a high-spec and compact camera system that covers a wide range of shooting situations.

 Features

• 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
• Super Multi-Layer Coating
• Aperture ring
• Focus Mode switch
• Round-type lens hood (LH576-02)
• Magnetic metal lens cap (LCF55-01M)
• Mount with dust and splash resistant structure
• 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
• 9-blade rounded diaphragm
• High-precision, durable brass bayonet mount
• “Made in Japan” craftsmanship

What our Experts Think

• Sharp, compact mid‑telephoto prime
  The Sigma 90mm f2.8 DG DN Contemporary ‑ Sony E delivers excellent image resolution with five SLD glass elements and one aspherical element, reducing chromatic aberration and maintaining clarity across the frame — ideal for portraits, events, and detail shots.
• Balanced performance for stills & video
  Its F2.8 aperture and 90 mm focal length produce attractive background separation and smooth bokeh while the quiet stepping autofocus system supports reliable tracking and minimal focus breathing for video work.
• Premium build quality
  All‑metal construction and precision‑cut aluminum parts give this lens a durable, professional feel while keeping it remarkably compact and lightweight for mirrorless cameras.
• Compact and lightweight design
  At ~295 g with a 55 mm filter size, this lens is easy to carry and use all day without fatigue — a major advantage over larger short telephoto optics.
• Close focus for creative flexibility
  With a minimum focus distance of 50 cm (19.7″) and modest magnification, it lets photographers get closer to subjects for expressive compositions that still preserve sharpness.
• Great value in Sony E ecosystem
  Compared with some native Sony primes, this Sigma delivers strong optical quality, fast autofocus, and compact size at a competitive price point — making it a favorite among portrait and walk‑around shooters.

Q&A

Q: What type of lens is the Sigma 90mm f/2.8 DG DN Contemporary?
A: It’s a mid‑telephoto full‑frame prime lens designed for Sony E‑mount mirrorless cameras, ideal for portraits, close‑ups, events, and general photography.

Q: What are the key optical features?
A: It offers a fixed 90 mm focal length, a bright f/2.8 aperture, and a 9‑blade rounded diaphragm for attractive background separation and smooth bokeh.

Q: How is the image quality?
A: The lens uses 11 elements in 10 groups with multiple SLD and aspherical elements that minimize chromatic aberration and enhance sharpness and clarity.

Q: What is the minimum focusing distance and magnification?
A: It has a 50 cm (19.7″) minimum focus distance and a maximum magnification of 1:5, letting you get close to subjects while maintaining correct perspective.

Q: How does autofocus perform?
A: Equipped with a quiet, high‑speed stepping motor, it delivers fast and accurate autofocus suitable for both stills and video.

Q: What about build quality and design?
A: The lens features compact all‑metal construction, a manual aperture ring, and resistance to dust and splashes, making it durable for daily use.

Q: How compact and light is it?
A: With a 55 mm filter thread and weighing around 295 g (~10.4 oz), it’s small compared to traditional 90 mm primes while retaining strong performance

Maintenance Tips

• Clean the lens glass regularly: Use a microfiber cloth and lens cleaning solution to remove dust, smudges, and fingerprints without scratching coatings.
• Protect from dust and moisture: Store the lens in a padded case or lens pouch when not in use; avoid exposing it to rain or humid conditions.
• Use lens caps: Always cover the front and rear elements when transporting or storing to prevent scratches and debris buildup.
• Inspect and clean the lens mount: Remove dust or debris from the metal contacts to maintain proper electronic communication with the camera.
• Avoid harsh impacts: Handle the lens gently to prevent misalignment of optical elements or damage to the focus mechanism.
• Check autofocus and aperture function: Periodically test the lens on your camera to ensure smooth operation and consistent performance.
• Use a UV or protective filter: Optional front filter can provide extra protection for the glass without affecting image quality.
• Professional servicing: Consider annual inspection or cleaning by an authorized service center for long-term performance.