Is this the next super cool Sigma lens?
Hi Lows Note spotted a patent application (2018-189733) by Sigma for a 12mm f/2.8 lens for full frame cameras.
- Focal length: 12.42 mm
- F number: 2.93
- Angle of view: 120.49
- Image height: 21.63 mm
- Lens length: 169.4 mm
Apparently the lens has some sort of distortion correction built in:
The present invention relates to the wide angle lens system in which the back focus used for a digital camera, a video camera, a film-based camera, etc. corrected several aberrations, such as a distortion aberration […]