Sigma 10-20mm F3.5 EX DC

最近想買一支超廣角鏡, 因為其實我都幾鍾意影風景, 研究咗幾個星期 (呢種都係一種樂趣), 終於係以下四支揀咗佢

1. Canon EF-S 10-22mm f3.5-4.5 USM $5300, 原廠鏡人人都話好, 如果價錢唔係間題
2. Tokina AT-X 116 PRO DX (11-16mm f/2.8) $4180, 有個review話佢係APS-C嘅相機中最好嘅超廣角鏡, 都幾有興趣, 但係佢嘅canon mount ver冇咗貨好耐囉喎, 同埋佢嘅zoom range比較短, 冇咁方便.
3. Tamron 10-24mm f/3.5-4.5 $3680, 呢支最平, 但係個個review都話佢質素麻麻, 叫你補多幾百蚊買支好少少喎.

4. Sigma 10-20mm F3.5 恆定 HSM $4480, 佢係Sigma 10-20mm F3.5-4.5 嘅新版, 有個review話佢10mm嘅sharpness好過舊版, 17-20mm就差過舊版(基本上呢支鏡我剩係會用10mm, 17-20mm呢個range我唔係太care), 光圈全開時質素好過tokina ATX 116 F2.8, 咁佢嘅performance應該介乎於canon同tokina之間, 同埋我比較偏向副廠鏡, 影得唔好有得賴呀嘛.

Review : http://www.lenstip.com/197.1-Lens_review-Sigma_10-20_mm_f_3.5_EX_DC_HSM.html

http://floggingkevin.com/2009/07/09/review-sigma-10-20mm-f3-5-ex-dc-hsm-for-nikon/

http://www.mobile01.com/topicdetail.php?f=253&t=1140462&p=1

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