对焦的英文：
[Photography] to set a camera; to focus a camera

参考例句：

A defect of vision prevented him from focusing accurately.
视力上的缺陷使他不能准确对焦。

After focusing, slip the viewfinder cap attached to the strap over the viewfinder eyepiece as necessary.
对焦后,必须将背带上的目镜盖插入取景器目镜上。

Each features Ricoh’s Acu-Bright mat for optimum brightness and easier focusing in dim light.
每种都采用理光的精确取光技术,以提供最佳亮度,且具有暗光下以对焦的特点。

My camera has automatic focusing.
我的相机是自动对焦的。

Therefore visual focusing cannot be accurate without adjustment.
如不调整,视力对焦就不可能精确对焦。

"There are three types of focus-guesstimate, rangefinder and autofocus. "
有三种对焦方式-猜估，用测距仪及自动对焦。

There's three types of focusing - guesstimate,rangefinder and autofocus.
有三种对焦方式——猜估，用测距仪及自动对焦。

Hold the camera and focus on the subject.
握持住相机,对准景物对焦。

Attach the infrared filter and focus on the subject.
按上红外线滤光片，对拍摄景物对焦。

Focusing is achieved with the split-image, micro prism or matte focusing screen in the viewfinder.
对焦是利用取景器内的水平分裂,微棱或磨砂对焦屏来进行。

photography是什么意思：
n. 摄影

He took to photography.
他开始喜欢上摄影。

Photography and video are not permitted inside the building
楼内不许拍照录像

Photography is used to produce a plate for printing.
用摄影术为印刷品制作印版。

set是什么意思：
v. 放置；点缀；树立；凝固；落，沉；使坐落；点燃；结果
n. 一套；装置；布景；凝结，凝固；集，集合
adj. 规定的；固定的，不变的；固执的；顽固的；准备好的，安排好的

perseverative set
固着心向

plastometric set
塑性变形

A coded character set whose character set is an alphabetic character set
一种编码字符集,它的字符集是一种字母字符集。

camera是什么意思：
n. 照相机；摄影机

Roll the cameras!
开拍！

tracking camera
跟踪摄影机

camera shifting
摄象机移位