Worth it to upgrade to full-frame?
Worth it to upgrade to full-frame? I've had my A6700 for about a year now, and I love it. I've got a Sigma 18-50 f2.8 and a 56mm 1.4. However, I like to shoot anime conventions and I've noticed two primary issues that have made me consider switching to full-frame. First, I've been getting a lot of noise in low-light situations, which are pretty common in the venues I go to. Walkw...