2.0MP C-mount Lenses（200万C接口工业镜头）其他说明定焦(Fixed Focal Length)1 AZURE-0420MM 1/2"4.0mm F2.0 C-mount,2.0MP2 AZURE-0614MM 1/2"6.0mm F1.4 C-mount,2.0MP3 AZURE-0814MM...
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FIXED FOCAL LENGTH LENS 固定焦距镜头 ; 定焦镜 ; 固定焦点镜头
The iPhone camera has a fixed focal length.
iPhone的摄像头有焦距固定。
One zoom lens can replace several fixed focal-length lensed, but results are likely to be inferior.
一个变焦镜头可以代替多个固定焦矩镜头，但效果很可能比不上。
Zoom lens a lens whose focal length can be varied continuously over a substantial range. one zoom lens can replace several fixed focal -length lensed but results are likely to be inferior.
变焦镜头可以把焦矩在相当大的范围内连续改变的镜头。一个变焦镜头可以代替多个固定焦矩镜头，但效果很可能比不上。
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