Back focus adjustment is easy with the lockable thumb wheel, accessible from the top or bottom of the camera.

回到重点调整很容易与上锁的拇指滚轮，可从顶部或底部的相机。

The adverse projection measuring method reverse the position of object and image in the imaging system of lens, it overcome back focus length and resolution power limitation.

逆投影法颠倒镜头成像系统物和像的位置，克服了手机镜头后焦、像素等的限制。

It has a lens system to focus light onto the film at the back of the camera.

它的镜片系统可以将光线聚焦到相机后部的胶片上。

The focus is slowly shifting back to the provision of basic human and environmental needs as the top priority—ensuring 'some for all,' instead of 'more for some'.

重点正在慢慢地回到满足人类和环境的基本需求，并将它们放在最优先地位——确保“人人有份”，而不是“某些人享有更多”。

A shift in focus back to the importance of the individual.

关注焦点回到到个人重要性的转变。