What is the good Humidity (RH%) for RF camera, and Lens.

[Banky]

What is the good What is the good Humidity (RH%) for RF camera, and Lens in the electrical dry cabinet?

Thank you.

[jonmanjiro]

The hygrometer on my dry box indicates that below 40% is "Dry", above 60% is "Wet", and the range from 40% to 60% is "Good".

[maddoc]

40 to 60 %. Below 30 % no precision optical instruments should be stored (see the Zeiss web page) and above 70% (longer than 3 days at temperatures between 10 and 35 degrees Celsius) fungus has ideal growth conditions (in dark).