When storing this product, store it in the included cloth bag or case. When storing in a case, store it so that pressure does not apply to this product. If it is stored under pressure, it may be deformed. Be careful not to come into direct contact with hard objects (e.g. metal buckles, fasteners, angular plastics, etc.) during storage or transportation.
Do not place this product near heating appliances, in places with high temperatures (50°C or higher), such as in automobiles, or in cold regions below 0°C. Doing so may cause the frame or lens to be deformed, deteriorated, or the lens to fall off.
Do not use organic solvents (thinner, alcohol, etc.) or adhesives in this product. Doing so may cause deformation, deterioration, or damage.