數碼相機用光學鏡片

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Standard Lens – SIGMA CORPORATION

COOLPIX P900 – Digital Compact Cameras – Nikon Hong Kong Ltd.

熔點測定儀 MPA – SRS-放大器,頻譜,訊號產生器 – 先鋒科技-光電光學光譜儀器雷射

Sigma C 17-70mm F2.8-4 DC MACRO OS HSM〔Canon版〕公司貨 – Sigma …

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