JH-202 Press unit for auto lens meter LM-800
$
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Links about JD-2600 Auto Lens Meter:
https://www.jhoptical.cn/JD-2600A.html
https://www.jhoptical.cn/JD-2600B.html
Auto Lens Meter list:
https://www.jhoptical.cn/Auto-lens-meter.html
Note:
The blue part in below picture is core board.