Celestron 3pcs Angle 62Deg 1.25'' 4+10+23mm Telescope Eyepiece Wide Fully Coated

Minimal distortion: usually, the distortion of PL eyepiece is about 10%, that of ordinary or eyepiece is about 8%, while that of Zeiss or eyepiece is only about 4.5% after using aspheric surface, but the price is very high.

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