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Sigma[-XQ] 500mm F/8 Mirror (Spiratone Mirror-Ultratel) | LENS-DB.COM
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Sigma[-XQ] 500mm F/8 Mirror (Spiratone Mirror-Ultratel) | LENS-DB.COM
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Sigma XQ 500mm f8 mirror lens w caps, case, for Canon FD, excellent condition | #1555315333
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