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        <float name="fov" value="57.9516"/>
        <string name="fovAxis" value="x"/>
        <film type="hdrfilm">
            <integer name="width" value="640"/>
            <integer name="height" value="480"/>
        </film>
        <sampler type="adaptive">
            <integer name="sampleCount" value="1024"/>
        </sampler>
    </sensor>
    <emitter type="envmap">
        <string name="filename" value="../../../../../EnvDataset/2157L.hdr"/>
        <float name="scale" value="138.9442"/>
    </emitter>
</scene>