Which optical characteristic would MOST limit the performance of early medieval Islamic astrolabes used for astronomical observations?

💡 Explanation

When observing stars at different wavelengths through lenses, chromatic aberration arises because different colors of light refract at slightly different angles, causing blurred images due to material dispersion in the lens. Therefore chromatic aberration would limit performance, rather than spherical aberration inherent to pinholes, diffraction usually evident at smaller aperatures, or polarisation because it is typically negligible in these unstressed components.

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