This past weekend, Sony quietly increased the price of its exceptionally sharp 135mm f/1.8 G Master lens by $200, raising the price from $1,898 to $2,098 overnight without any explanation. It’s left the industry wondering why, and some speculating that the US/China trade war is to blame. The price increase was originally spotted by Sony Alpha Rumors, who speculated that it may have something to do with the current trade war between the US and China, and the new tariffs…