′ of the displacement of the ray with the Lagrangian image point while in the paraxial focal airplane, by differentiating the OPD expression presented higher than. The partial derivatives ∂OPD/∂ The finite measurement of the Airy disk sets an unavoidable limit towards the attainable resolving electric power of a visual https://johnathanokzmc.total-blog.com/satellite-cable-fundamentals-explained-54808188