Sigma 18-35mm f/1.8 DC初步測試
圖片與資料來源:ephotozine
剛剛才正式發布的Sigma 18-35mm f/1.8 DC,
ephotozine網站已經有初步的上手測試。
看來表現得相當出色,
以下節錄測試部分原文翻譯:

The lens is a solidly built lens with a metal and plastic construction, with rubber grips making it easy to adjust zoom and focus. The rear lens mount is made out of coated brass, and the lens feels extremely well built with a decent weight. Marked on the side is three digits of its release year so the lens can be identified by the date of launch. Focus was quick and silent and the front ring allows full time manual focusing adjustment. With just a brief period of time shooting with the lens, results look impressive with sharp images at both wide and
telephoto ends of the lens, and good bokeh performance when using the lens wide open.

這支鏡頭是由金屬及塑膠堅固地製造而成,橡膠環使得變焦及對焦操作上更容易。
鏡尾是由電鍍過的銅製造而成,這支鏡頭握起來手感很好,重量適中。
鏡身側邊標記的三位數是出廠年分,可以辨識出場時間。
對焦相當快速且安靜,並且支援全時手動對焦。
在短暫的測試時間裡,在廣角及望遠端的成像都銳利的令人印象深刻。
光圈全開的情況下,散景也相當好。

Sigma 18-35mm f/1.8 DC初步測試

規格:

  • 超聲波對焦(HSM)
  • 9片光圈葉片
  • Type A (Art),  金屬鏡尾
        口徑: 72mm
  • 最小光圈: f/16
  • 鏡片組成: 17 枚12群
        SLD超低色散鏡片
  • 最大放大倍率: 0.23x
  • 重量: 810 克, 長度: 121mm
  • 視角: 76.5 - 44.2°
  • 內對焦內變焦
  • 最短對焦距離: 28cm
  •  

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