鱼眼镜头是超广角镜头的一种特例,它前端第一片透镜通常向前凸起,好似鼓起的金鱼眼故此得名。鱼眼镜头的焦距极短并且视场角最大,接近或等于、甚至超过180度,在所拍的画面中呈现极端夸张的圆弧形状的畸变,因此它又属于特殊效果镜头,目前市场中最常见的鱼眼镜头大体可归纳为两类 Fisheye lens is a special case of ultra-wide-angle lens, the front of the first lens is usually raised forward, as if the bellied goldfish eyes so named. Fisheye lens focal length is extremely short and the maximum angle of view, close to or equal to, or even more than 180 degrees, in the picture taken extreme hyperbole distortion of the arc shape, so it belongs to the special effect lens, the current market Common fisheye lens can be generally divided into two categories