The largest (and most expensive) DLSR format is full frame (so called because the sensor is the same size as a frame of 35mm film).

最大（通常也是最贵）的当属全画幅。 之所以称其为全画幅，是因为感光元件和35mm胶片尺寸大小相似。

youdao

It can record video in full HD with a full frame still camera size 35mm sensor. Not a movie 35mm sensor. Much bigger. This is unique. No other video camera can do this.

它具备可以拍摄全高清视频的全画幅相机35 mm影像感应器，不是摄像机用的35 mm感应器，而是要大很多，这一点是独一无二的，没有其他摄像机可以做到。

youdao

The larger sensor also means that - all other things being equal - full frame cameras will produce the best results in very low light and at higher sensitivities.

更大的感光元件通常也意味着更好的表现质量——全画幅在低照度、高感光度时会有更好的表现。

youdao

There's also digital zoom functionality, which is likely to be more appropriate for the VG900, since that model's full-frame sensor has the pixels to spare.

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Especially when used with large aperture lenses, the EOS 6D camera's full-frame sensor offers a tremendous degree of creative control over depth-of-field, helping users to achieve pro-quality cinematic effects in Full HD video recordings.

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