KnowraSpherical aberrationLinked fromLinked fromThe 9 pages that link to Spherical aberration, each with the reason it gives.All 9Broader topic 3Related 5Compared with 1Chromatic aberrationCompared with: It also blurs images, but does not require different wavelengths to focus differently.Optical aberrationBroader topic: It is a common geometric aberration caused by spherical surfaces failing to bring marginal and paraxial rays together.Objective lensRelated: Objective corrections limit this blur, especially when imaging through thick or mismatched materials.Primary mirrorRelated: A spherical primary mirror can blur the image unless its aberration is corrected.Schmidt–Cassegrain telescopeRelated: The spherical primary mirror would blur images without the correcting plate.Diffraction-limited systemBroader topic: It is a specific imperfection that prevents a system from reaching diffraction-limited performance.Focus (optics)Broader topic: It makes marginal and paraxial rays have different focal locations.Thin lensRelated: The ideal thin-lens model does not capture this blur from real curved surfaces.Curved mirrorRelated: A spherical mirror does not bring all reflected rays to one exact focus.