nd filter

Is it ok to leave the Grad ND filter on to the camera all the time. This is the one that you can rotate. With the extra weight I notice that it drags the gimbal down when I power down the drone. Will perk right up when powered. Wondering if this puts extra strain on the gimbal? Also, with...

Does anyone have an update on the ND filter accessories for the H? From the unboxing and test flights, the camera looks the same as the Q500. Do we have any experts out there who can tell? I'm assuming the new one can accept the filters, ie even though the glass has replaced the plastic lens...