The inclination and the blurred point image size on the image plane are derived.

文中导出了这一像面的倾角和其上子午弥散大小。

youdao

Perfect optical system dose not be inhibited by physical conditions and every object point has ideal point image.

理想的光学系统是不受物理条件约束的，每个物点都成理想点像。

youdao

However, for the actual optical system, its point image become a speckle because of diffraction of light and aberration.

对于实际光学系统，由于光的衍射和像差，使所成的点像为一弥散斑。

youdao

The EOS 6D will even allow photographers to specify a previously captured RAW image as the starting point for a new Multiple Exposure composite image.

ENGADGET: Canon unveils EOS 6D DSLR: full frame sensor and WiFi for $2,099 in December

In a conventional optical system, light rays enter through a lens and converge at a point to form an image.

ECONOMIST: MONITOR

One example given by the report is the ability to point your phone at an image and having it return web links, documents, and other information.

FORBES: HP Might Use Autonomy to Build a Search Engine - For Everything