The bee-eye sky

well, not really! only part of the bee eye sees the sky even remotely like this. But it’s still pretty cool.

Instead of the cumbersome mirror/camera set up we had prior, we started using four small cameras all aligned and pointed at the sky (at least three polariser orientations are required to successfully recreate the polarisation characteristics of a visual scene. Previously, we rotated the camera, which had a linear polariser inserted between the lens and sensor. Four cameras, each with their own polariser, allows us to generate the images much faster, reducing error). This system is much more lightweight; we can use it to reconstruct insect paths through canopies or under open skies, and get a much clearer idea of what the insect is seeing as it flies.

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