# FocalLengthInfo (/zh-CN/api-reference/rtc/react-native/class-focallengthinfo)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_focallengthinfo__prototype"></a>

```ts
export class FocalLengthInfo {

  cameraDirection?: number;

  focalLengthType?: CameraFocalLengthType;
}
```

<a id="class_focallengthinfo__parameters"></a>

## 属性 [#属性]

<ParameterList>
<a id="cameradirection"></a>
<Parameter name="cameraDirection">

摄像头方向。详见 [CameraDirection](/zh-CN/api-reference/rtc/react-native/enum-cameradirection)。

</Parameter>
<a id="focallengthtype"></a>
<Parameter name="focalLengthType">

焦距类型。详见 [CameraFocalLengthType](/zh-CN/api-reference/rtc/react-native/enum-camerafocallengthtype)。

</Parameter>
</ParameterList>