Sigma filed a patent in Japan. The new patent describes a Sigma 24-70mm f/2.8 DG OS HSM Art lens designed for DSLR cameras with full-frame image sensors.
If becomes available in the market the new ART series Sigma 24-70mm f/2.8 DG OS HSM full-frame standard zoom lens will feature optical image stabilisation and a quiet “hypersonic” focus motor.
According to latest Sigma rumors, the company is actively working on 85mm f/1.4 Art, 24-70mm f/2.8 Art OS, 70-200mm f/2.8 OS Sport lenses. The new Sigma lenses expected to arrive in 2016 possibly at Photokina 2016 event.
Sigma 24-70mm f/2.8 DG OS HSM Art Lens Patent
The Sigma 24-70mm f/2.8 DG OS HSM Art lens expected to be a cheaper solution to standart zoom lenses on full frame DSLRs when compared to its Canon and Nikon models.
Here are the patent details:
- Patent: 2016-38502
- Published on: March 22nd, 2016
- Filed on: August 8th, 2014
- Zoom ratio: 2.74
- Focal length: 24.85 50.00 68.00
- F-number: 2.92 2.92 2.93
- Full angle of view: 2ω 83.71 45.71 34.33
- Image height: 21.63 21.63 21.63
- Total lens length: 150.73 167.12 178.30