Sigma has introduced some wonderful lenses over the years. The company is known for its exceptional performance and a price tag that makes it affordable for many young serious enthusiasts. As Sigma is creating its own niche, the company is working on newer design patents that showcase them in a different light. Here is a look at three more prime lenses that may be introduced just for portrait photographers.
According to Asobinet, Sigma has published patent P2026079898, which showcases three different lenses: the already announced 85mm at f1.2, a 105mm at f1.4, and a different version of the existing 135mm f1.4. The designs are for large sensor cameras, and are said to be lighter. Here’s a look at the examples:
Example 1
- Focal length: 85.00
- F-number: 1.24
- Angle of view: 27.50
- Image height: 21.64
- Length: 152.51
- Back Focus: 17.4271
Example 2
- Focal length: 105.00
- F-number: 1.45
- Angle of view: 22.41
- Image height: 21.63
- Total length: 146.00
- Back Focus: 20.1292
Example 3
- Focal length: 133.00
- F-number: 1.45
- Angle of view: 17.78
- Image height: 21.63
- Length: 152.50
- Back Focus: 24.6321
The new patents showcase the company’s commitment to mirrorless. Their DSLR lenses, such as the 105mm, were designed with physical screw-drive or ring-type ultrasonic motors. However, the newer models aim to help create lenses that include face-tracking, and continuous AF, amongst other things.
The 85mm lens’ announcement was made at CP+2026, and Sigma has confirmed that one will see it appear in September of this year. Then there is the 135mm, which was launched towards the end of 2025. The latter features a total length of 136mm and weighs 1430g. Then you have 105mm front filter thread, along with a dedicated tripod socket. However, the patent showcases a length of 152.5mm, but the patent also suggests a lens that is a lighter lens with different internal groups.
Overall, the 85mm and the 105mm are two lenses that are the real winners. Sigma had announced the 85mm f1.4 and 105mm f1.4 lenses earlier for the DSLR cameras, which now have been discontinued. The company has officially announced 85mm f1.2 Art for mirrorless photographers, but there is no such update for the 105mm. Given that the 105mm was called ‘The Bokeh Master’ makes the update even more incremental. For instance, in our review of the 105mm, we praised its sharpness, bokeh, image quality, weather resistance, and tripod mount. All of this at just $1,600. Similarly, the 85mm f1.4 won on various grounds, but the major challenges were the significant pincushion distortion, and lack of optical image stabilization.
With this patent, it is clear that a new lens can be introduced for Sony E and Leica L mount cameras. In fact, if the lens is priced similarly to the originals, and offers improved performance, then we will have two clear winners.
What must be remembered is that the 85mm is a pretty common focal range. Canon RF 85mm f1.2L USM, Nikon Z 85mm f1.2 S, and Sony FE 85mm f1.4 GM II are some options that already exist, and work pretty well with first-party cameras. Sigma will not have to just undercut them by price, but also weather resistance and character. As for the 105mm, you have fewer options, such as Sony FE 100mm f2.8 Macro GM, Nikon MC 105mm f2.8 VR S, and Tamron 90mm f2.8, amongst others. Laowa has some options and so does IRIX, but they are pure macro lenses, giving Sigma a chance to create the ultimate way to make an exciting lens.
While portraits and wedding photographers are the most obvious choice, these lenses can be utilized by documentary, events, commercial and editorial photographers. The focal ranges are not too far off from one or the other, so what will drive the demand is price, bokeh softness and weather sealing. However, it must be remembered that patents do not always reach complete production. So unless we see more Sigma, it is as good as a dream.