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Jwill_Wong: lens part element
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Jwill_Wong: all part element
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Jwill_Wong: lens part element
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Jwill_Wong: part element
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Jwill_Wong: scattered
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Jwill_Wong: scattered
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Jwill_Wong: sidetone
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Jwill_Wong: optical system
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Jwill_Wong: machine
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Jwill_Wong: side
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Jwill_Wong: lens eyeglass
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Jwill_Wong: lens
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Jwill_Wong: lens
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Jwill_Wong: so-called CCD
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Jwill_Wong: TOP