Ray-CubeAce
lvl.4
United Kingdom
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djiuser_POrkCOLRK4qi Posted at 10-19 07:50
Hi Everyone,
I am experiencing a similar problem when panning: the footage comes out noticeably jerky. After reading this forum I decided to do a series of tests and have come to the conclusion that it *** may *** be the write speed of the card I use to capture video or it may be a problem with the Osmo Pocket itself when recording higher frame rates and higher resolution. Here are the tests I performed, using the same location and same pan technique. In each test I panned from right to left using the DJI controller for the pan movement.
The request to see if the video was jerky on the Osmo screen is to do with the memory card compatibility which should have been seen easily enough to see if the problems was very bad. You are correct of course if the problem was more subtle.
If the card is not fast enough then the resulting jerkiness should easily have been visible on the screen and show a card deficiency because at that point of the conversation little was known about the problem. There are two parts of the cards specification to be met which is why the A2 designation of a card can be as important as the write speed. Having a large capacity card doesn't always help either.
Your results don't mean much as there are a lot of variables to take into account that you don't mention such as relative shutter speeds, shooting conditions, types of scenes being recorded or motion within the frames recorded. A bright day will force shorter shutter speeds unless you can control that by ISO settings or the use of ND filters as the Osmo Pocket has a wide fixed aperture that can't be changed that other larger cameras may be able to do to help out. The resulting image may be crisper due to the lack of motion within the frame but the result will look jerky compared to using a longer shutter speed. The downside of a longer shutter speed is each frame will look less sharp but will result in a more fluid looking video which depending on how smooth and fast a pan was would also be of help.
If any of your problems are related to any of the points I've made above, there is little a firmware update can help with. Automatic settings can only do so much. The more anyone understands and can take control of, the better the end results will be. For instance, focus pulsing can be caused by several things but is mainly caused by the camera losing focus on the subject matter. It can happen to any camera depending on the type of focus system used and how many focus points the sensor has as well as it's ability to track once locked on to target. But, if the background has more sharp contrast than the subject, especially in the vertical plain it can switch to the background either momentarily or permanently. Momentarily will cause the focus pulse. Again, the wider the lens aperture, the more difficult this is to keep a locked focus when the depth of view is less than if a narrower aperture was used. But then the ability to collect light to the sensor would drop of as the light faded.
Everything in a camera build and how it is used is compromise.
Results from user to user will vary depending on experience and ability. |
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