A patent showing three different optical formulas for APS-C sensor cameras has appeared. According to Canon News, this patent is missing some good information that would help narrow down what these embodiments are for. The 3 embodiments: 15-45mm f/2.8-5.6 15-45mm f/2.0-5.0 15-60mm f/2.0-5.0 From Canon News: Our assumption with this patent application is that these Read more......
Published By: Canonrumors - Thursday, 5 July, 2018