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Camera lò nung  FRO-7660-38-78-HG-A  Pieper-Video

HG-22.5-2.0-900 heat protecting filter
OFR-M-7805-21 lens guide ring
angle of view:
1/2" = horizontal = 80° - vertical = 64°
1/3" = horizontal = 64° - vertical = 50°