A4 Tech. ViewCam PK-635 - Digital View Cam Adjustable Focus

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Digital View Cam adjustable focus description
PK-5 can provide 10 times adjustable focus function under
CIF(352×288) resolution, accompanying digital adjustable
control pole 。Level-sliding zoom image and the special
filter make images more clear, See the control page and select
the options after adjusted focus‘＋’ ‘ —’ or select digital