镜顶焦距 镜顶焦距

vertexfocallength  detail>>

镜顶焦距

vertex focal length vertex formulas  detail>>

后顶焦距,后焦距

back focal distance posterior vertex focal distance  detail>>

前焦距,前顶焦距

anterior vertex focal distance front focal distance  detail>>

前顶焦距

front vertex distance front vertex focal distance frontvertexdistancefvd  detail>>

镜顶

vertex ◇镜顶屈光度 vertex power; vertex diopter; vertex dioptric power  detail>>

变焦距镜头

objective with variable focal length variable focus lens varifocal le zoom lens ...  detail>>

长焦距镜头

long focal lengh le es long focal lengh lenses long focus lens long focus-length lens...  detail>>

短焦距镜

short focus mirror  detail>>

可变焦距镜

variable focal length mirror  detail>>

中焦距镜头

medium focal length lens  detail>>

可变焦距镜头

variable-focal-length lens varifocal lens zoom lens  detail>>

透镜顶

vertex of lens  detail>>

焦距

[光学] focal distance; focal length  短语和例子   调焦距 focalize; 焦距计 focometer; focimete...  detail>>

变焦距镜头系统

zoomar  detail>>

超近变焦距镜头

macro zoom lens  detail>>

高倍率变焦距镜头

high ratio zoom lens  detail>>