It seems to be a never-ending parade of optical formula patents from Tamron, this time it’s a 115mm f/1. 4 VC. This is another fast and unique lens concept from Tamron. Patent Publication No.
2016-151661 (Google Translated) Published 2016. 8. 22 Filing date 2015. 2. 17 f = 113. 000 Fno = 1. 456 Read more. . . . canonrumors.com
2016-8-24 05:14