I took the glass to replace the voigt nokton 35 1.4 on the sony a7. The couple lives together perfectly and use it as a compact set for everyday shooting. The lack of autofocus does not bother at all, the sleepyhead gives a lot of useful features for manual focusing. In terms of speed and accuracy, it turns out much faster and more accurately than using 1x with 35 1.4L (in a room with poor light).