It seemed unusually noisy at ISO above 1600, which is most likely a price to pay for high resolution.
Unusual heating of equipment during prolonged use;
According to feedback from users who have long been familiar with the brand, they say that the battery holds well. Probably not bad, but without a second in reserve, I definitely won’t dare to go out.
It is clear that no one will intentionally shake the carcass, but in the off state, if the device is shaken, the sound of stabilizers (maybe it’s not them, but it feels) of the mirror is heard. When switched on, the noise disappears. SC said it was normal. I don't know, maybe okay, but not very nice.
First of all, I will make a reservation right away, it is very subjective, this is just my opinion. Optics.
After Canon's Lek, picking up top-end glasses from Sony, I just want to say - "I don't believe it!" Small, light (this is certainly good), but in terms of tactility, there is no "visual professionalism" in them. Adequate to their cost and the type of result produced. Take, for example, 85mm f/1.2L or 50mm f/1.2L and in these huge lenses - "eyes", you want to drown from the quality of workmanship and visual perception.
But it's all a matter of taste, I guess.