I am glad to have this apportunity to test the a7r3 & GM135. I am existing happy user of a7r2 with various native lens like FE 16-35 F4, T28-75 F2.8, FE 55 F1.8, and FE 85 F1.8. These are very good camera and lens which helping me take good wedding and commercial shot already. I was invited by YL Camera Malaysia partner with Sony Malaysia to this special experiencing event. In this event, invited guest can loan any prepared camera and lens to experiencing the shooting with 6 ready model.