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技術規格表

Phase One

28mm AF f4.5 Aspherical

A Superb, extreme wide-angle lens for full format digital. Perfect for landscape, architecture and creative control.
- Widest possible lens
- Push-Pull Autofocus ring
- Build in “Tulip” lens hood

技術指標

  • 镜片结构 14 elements, 10 groups
  • 视角102°
  • 光圈值范围f/4.5 – f/32
  • 光圈Automatic
  • Focusing SystemAuto Focus / Manual
  • 最短焦距35 cm / 1.15 ft.
  • 最大伸缩比0.15 x
  • 影像范围372 x 276 mm
  • 相对35mm的焦距17mm
  • 过滤器Sheet filter on the rear mount
  • 镜头遮光罩Built‐in
  • 尺寸136 x 90mm / 5.35 x 3. 54"
  • 重量886g / 31.01 oz. 1.9 lbs.
 

所有焦平面式镜头