EF 28 mm f/1.8 USM - Canon討論區 - DCHome.net 數碼天地論壇 - Powered by Discuz!

EF 28 mm f/1.8 USM Aspherical lens MarketedDecember 1997Original ... EF 28 mm f/1.8 USM ,DCHome.net 數碼天地論壇 ... 1.8 係不能用的光圈, 好似影出來有層野咁 要2.0開始先好D f2.8 已好好 f4 - 5.6 very good USM快, 比35.2快 28.8 用58mm filter, can share ...

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