The Iberian Peninsula is preparing for its first total solar eclipse in more than a century on 12 August, with totality expected around 20:28 local time depending on location. Authorities in Spain and Portugal have launched mass distribution campaigns to ensure safe viewing, with Spain's Ministry of Science and ONCE distributing two million certified glasses and Portugal's ZEISS and Ciência Viva initiative restocking for a third time after supplies sold out twice.
Consumer protection agencies warn against uncertified glasses sold on platforms like Amazon and Temu, as well as improvised methods such as sunglasses or X-ray film. Spain's market surveillance campaign found high compliance among commercial models, though some showed minor documentation issues. Glasses must carry CE marking and ISO 12312-2:2015 certification to prevent irreversible eye damage.
Certified glasses retail from roughly €3–3.50, though manufacturing costs are estimated below €0.40 per unit.