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Its a micro glass lens as described here: http://arxiv.org/ftp/arxiv/papers/1403/1403.1211.pdf http://arxiv.org/ftp/arxiv/papers/1403/1403.1211.pdf
by kken 13y ago
Its a micro glass lens as described here:
http://arxiv.org/ftp/arxiv/papers/1403/1403.1211.pdf http://arxiv.org/ftp/arxiv/papers/1403/1403.1211.pdf