It is said that Canon is working on EF-S 11-24mm f/3.5-4.5 lens, a replacement to the EF-S 10-22mm f/3.5-4.5 lens.
Example (Google Translated)
- Zoom ratio 2.07
- Focal length 11.61-15.50-24.07mm
- Fno. 3.63-3.96-4.69
- Half angle ω = 49.64-41.38-29.58 °
- Image height Y = 13.66mm
- Overall length of the lens 133.0-129.1-133.3mm
- BF 3.26mm
- Negative positive and negative positive 4-group zoom
- Inner focus (Lf part of the first group)
Canon EF-S 10-22mm f/3.5-4.5 USM Lens is now only $599 at Amazon / Adomara
Source: EG