What is ISO 12312-2-Filters for direct observation of the sun about?
ISO 12312 is an international standard on eye and face protection that discusses sunglasses and related eyewear to ensure protection to eyes against hazards.
ISO 12312-2 is the second part of the ISO 12312 series that applies to all afocal (Plano power) products intended for direct observation of the sun, such as solar eclipse viewing.
Information on the use of filters for direct observation of the sun is given in Annex A and Annex B.
Note: ISO 12312 does not apply to the following:
- Afocal (Plano power) sunglasses and clip-ons for general use intended for protection against solar radiation
- Eyewear for protection against radiation from artificial light sources, such as those used in solaria
- Eye protectors specifically intended for sports (e.g., ski goggles or other types)
- Sunglasses that have been medically prescribed for attenuating solar radiation
- Prescription sunglass lenses
Who is ISO 12312-2-Filters for direct observation of the sun for?
ISO 12312-2 on filters for direct observation of the sun is useful for:
- Solar filters manufacturers
- Solar filters test personnel
- Afocal product manufacturers
- Health and safety departments
- Quality assurance departments
Why should you use ISO 12312-2-Filters for direct observation of the sun?
For the direct observation of the sun, only specially designed protective filters should be used. Eye protectors for direct observation of the sun should be worn so that no direct radiation from the sun can reach the eye other than that passing through the filter.
ISO 12312-2 provides you guidance for the requirements and associated test methods, material and surface quality, mounting, dimensions, material quality, labelling and use of filters for direct observation of the sun.
The requirements and test methods provided by ISO 12312-2 assist you in improving the performance and quality of the solar filters and ensure protection to the wearer against intense sunlight.
With obedience and compliance to ISO 12312-2, you can enhance the efficacy of the solar filters and manufacture a standardized high-quality product.