Ricoh WG-M1 Operating Manual page 21

Lens protector Underwater lens protector
O-LP1531 O-LP1532
Lens protector O-LP1531 has been installed on the product when leaving factory.
In order to guarantee the waterproof and dustproof performance, please make sure to attach
the lens protector to the camera all the time. Waterproof performance is guaranteed only
when the camera is equipped with the underwater lens protector O-LP1532.
WG Flat Adhesive Mount
O-CM1531
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