According to the Egami Blog, Tamron has patented a 10-24mm f/3.5-4.5 VC optical design.
Patent Details
- Published 2016.7.11
- Filing date 2015.1.8
- Focal Length 10.303 15.199 23.483
- F-number 3.6 - 4.1 - 4.6
- AOV 111.70 - 86.59 - 62.07
- Anti-vibration (third group)
- Inner focus (rear group of the first group)
B&H carries the current, non-VC version of this lens.