focal distance

But only with the right focal distance and correct aperture could we get the true pictures.

只有我们调对了焦距,对准了光圈,才有可能得到真实的图像.

Nokia : We use a new Active hyper focal distance system for video.

我们使用了一项名为“Activehyperfocaldistancesystem”的视频新技术.

A New Manufacture Technique for Long Distance Focal Length Lens

一种新的长焦距透镜的制造方法

The improvement and error analysis of measuring focal distance of thin lens

薄透镜焦距测定的改进及误差分析

On the determination of errors in thin lens ˊ focal distance

对测定薄透镜焦距误差的探讨

Light signal visibility test back focal distance

灯光信号显示距离测试

This may avoid remedy mistake because of the actual different focal distance brings from AS function.

这样可以避免AS功能启动是由于实际的焦距不同带来的矫正错误.

The size of the illuminated area at the focal distance.

在焦点距离所照亮面积的的大小.