Spherical Aberration Telescope. Eyepiece spherical aberration, eyepiece coma, eyepiece astigmatism and field curvature with eye accommodation. That causes light at the edges to have a different.


Spherical Aberration Telescope

Here, light rays nearer the optical axis are refracted, or reflected, differently, from light. Find out how to diagnose and fix them and get back to crisp views of the night sky.

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