The 50mm prime lens is often a photographer's favourite, perfect for portraits, product photography and low light conditions.
50mm的定焦镜头总是摄影者的最爱，对于肖像、产品摄影和在弱光条件下表现完美。
This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
The camera captures clear images under low-light conditions with a varifocal auto-iris lens.
在光线极度阴暗的条件下，亦可以通过多点变焦自动光圈镜头捕捉图像。
The camera captures clear images under low-light conditions with a varifocal auto-iris lens.
在光线极度阴暗的条件下，亦可以通过多点变焦自动光圈镜头捕捉图像。
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