Description
Practical Handheld Design for Safe Solar Observation This handheld paper solar viewer provides a convenient and safe way to observe solar events. Unlike traditional spectacles, this card-style design is held up to the eyes as needed, making it an ideal choice for users who already wear prescription glasses or for quick, shared viewing in group settings.
Technical Safety Features:
Standard Compliance: The filters are tested to meet the EN ISO 12312-2:2015 international standard for direct observation of the sun.
Filter Material: Uses high-density PET lenses with a specialized metal coating to filter harmful radiation.
Optical Protection:
Visible Light: Transmittance is maintained between 0.000061% and 0.0032% for a safe viewing intensity.
UV & IR Protection: Effectively restricts solar ultraviolet (UVA/UVB) and infrared (IR) transmittance according to standard requirements.
Product Details:
User-Friendly: Large viewing area suitable for both adults and children.
Portable: Lightweight and slim profile, making it easy to include in educational mailers or event kits.
Customization: The paper surface offers ample space for custom logo printing or safety instruction layouts.
Minimum Order Quantity (MOQ): 20,000 pieces.
Safe Use Instructions: Always check the filter for scratches or damage before each use. If any defects are found, discard the viewer. This product is for direct naked-eye observation only and should not be used with cameras, telescopes, or binoculars.
