Over on the DJI Forum in the Mavic 4 Pro section someone posted a question regarding shaking aperture blades in Photo Mode and at particular settings (thread title: Need Mavic 4 Pro owners to identify widespread hardware defect...). That led me to immediately test my M4P, which I purchased from an eBay seller out of Japan in late August. I live in the U.S. (so no warranty...). The manufacture date on the Mavic 4 Pro Creator Combo box shows July 2025.
It turns out my M4P exhibits the problem where the aperture blades do not close/stop-down and instead "quiver" while making a chattering sound. The settings to reproduce this are: ISO 6400, Shutter 1/15, Aperture f/11. From what I can tell the aperture settings are useless in Photo Mode as evidenced in the video linked below. However, in Video Mode the aperture appears to function as it should by fully opening at f/2 and closing to a small hole at f/11.
The interesting thing is that another forum member on the DJI Forum tried the test and his M4P does not experience this quivering/shaking aperture blade issue.
DJI Engineering is looking into this and it's possible a firmware update will help but if all M4P's do not fail like this then it could be a hardware failure for a number of units produced with the faulty camera module.
Does anyone else see this with their Mavic 4 Pro?
Here are videos I made following the request of the original post on DJI Forums and DJI staff helping to investigate the issue.
Photo Mode Test
Video Mode Test
Test Repeat With RC Screen Recording
It turns out my M4P exhibits the problem where the aperture blades do not close/stop-down and instead "quiver" while making a chattering sound. The settings to reproduce this are: ISO 6400, Shutter 1/15, Aperture f/11. From what I can tell the aperture settings are useless in Photo Mode as evidenced in the video linked below. However, in Video Mode the aperture appears to function as it should by fully opening at f/2 and closing to a small hole at f/11.
The interesting thing is that another forum member on the DJI Forum tried the test and his M4P does not experience this quivering/shaking aperture blade issue.
DJI Engineering is looking into this and it's possible a firmware update will help but if all M4P's do not fail like this then it could be a hardware failure for a number of units produced with the faulty camera module.
Does anyone else see this with their Mavic 4 Pro?
Here are videos I made following the request of the original post on DJI Forums and DJI staff helping to investigate the issue.
Photo Mode Test
Video Mode Test
Test Repeat With RC Screen Recording
