to avoid camera shake
为了避免相机抖动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The idea was to pop the D3200 into manual mode, force the shutter to stay open for 30 to 60 seconds while on a tripod, and use the camera to trigger the shutter as to avoid camera shake from mashing the button on the body itself.
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With the engine off, I was able to reduce camera shake and avoid spooking the animals with loud noise.
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模块上移
模块下移
不移动