length tolerance: ±0.1%. Eccentricity: 1'. Center thickness tolerance: ±0.2mm.
Our optics for basic light experiments, optical bench setups, DIY projectors, or as replacements in scientific instruments.
We offer everything from basic triangular prisms for refraction to Fresnel lenses for experiments, providing a single source for all your physics teaching needs.
Offer worry-free after-sales support, If there are any issues with your purchase, please contact us immediately, and we'll do our best to resolve the problem within 24 hours. Your satisfaction is our top priority.