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tony019002 asked in 家用電器相機 · 1 decade ago

請問鏡頭個hoop有咩用?

如題

請問有咩用gar?

本人用canon機同鏡頭

加左個hoop係鏡頭到有咩用gar?

thank

2 Answers

Rating
  • PT
    Lv 6
    1 decade ago
    Favorite Answer

    鏡頭個 hoop 叫 遮光罩 (lens hoods)。

    遮光罩的功能是阻擋多餘的強列光線(主要是阻擋光線從較偏側的角度)進入鏡頭。避免產生耀光和光暈,造成鬼影、降低反差、色彩不飽和,令照片有光斑和有灰暗的感覺。

    lens hoods

    http://toothwalker.org/optics/lenshood.html

    遮光罩的秘密

    http://www.mobile01.com/topicdetail.php?f=164&t=10...

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  • Pierre
    Lv 6
    1 decade ago

    加上Hoop後能幫助所拍,反差較強,在彩色飽和度方面會有顯著改善

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