Eschenbach Optik Opti Lite - Manual (Page 47)

OPTi Lite User Manual
Page 46
Rev B English
As the lens is polished and coated, do not
use a wet or coarse cloth, detergents,
abrasive substances or solvents to clean it.
When transporting the unit we recommend
that you use the carrying case provided.
Do not allow the charger or cables to move
about within the case, as they may cause
damage.