infinity focus 中文意思是什麼

infinity focus 解釋
無窮遠焦點
  • infinity : n. 1. ＝infinitude. 2. 【數學】無窮大〈符號為∞〉。3. 大量，大宗。
  • focus : n （pl focuses foci ）1 【物理學】焦點。2 【物理學】焦距；聚焦，對焦點，配光，對光。3 （活動興趣...
  1. Wide open or fully stopped down at infinity focus the lens is ever so slightly soft compared to the professional telephoto zooms

    用大光圈向無限遠拍攝到的影像要比用專業的長鏡頭一樣是大光圈向無限遠所拍攝得的影像來得軟
  2. Fix a camera onto a sturdy tripod, load it with a high speed film, set the focus to infinity, set the shutter to " b ", aim at the target area and press the shutter by the shutter release cable

    在攝影機內裝上一卷高速底片，然後把攝影機固定在一個堅固的三腳架上，距離調校至無限遠，快門調至b掣，對著要拍攝的天區，按下快門繩曝光即可。
  3. Load the high speed film, open the lens to its lowest f number and focus at infinity. select b for the shutter setting. mount the camera on a tripod and aim it at the desired region

    用廣角鏡或標準鏡的相機，裝上快速底片，光圈全開，鏡頭調至無限遠，快門選b掣，用腳架支持相機指向欲攝的天區，用快門繩打開快門，曝光幾分鐘到一小時的固定攝影法，會把偶然出現于鏡頭前方的流星攝入底片。
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