Lens storage humidity problem

There are many electronic parts and mechanical parts inside the lens. The suitable storage environment is probably between 45-55 degrees relative humidity. This humidity environment can prevent the occurrence of mold and will neither damage the electronic parts nor destroy them. The lubricating oil in the mechanical parts will be sucked dry and cannot be placed in an environment with a relative humidity above 60 degrees for a long time. In addition, the lower the better, too low (dry) the engineering plastic will become brittle, and the lubricant of the mechanical device will also dry out.

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