According to the CanonNews, Canon has just filed a new patent for EF-S 18-300mm F3.5-5.6 IS lens for APS-C DSLR cameras with a larger zoom ratio of 16x.
- focal length 18.09 131.43 294.86
- F number 3.49 4.58 5.76
- Half angle of view 37.06 5.93 2.65
- Image height 13.66 13.66 13.66
- Lens length 201.18 235.70 245.66
- BF 41.46 59.71 56.04
Read More Canon Lens Patent