KECK OPTICS / COLLECTION

ED Glass Riflescopes

ED stands for extra-low dispersion glass. It is used to reduce chromatic aberration, which can appear as coloured fringes around high-contrast detail. Explore KECK riflescopes specifically listed with ED glass.

SELECTION GUIDE

Compare extra-low dispersion optics by model.

ED is an optical attribute

An ED designation describes glass selection. It does not by itself establish resolution, low-light performance, light transmission or mechanical adjustment quality. Compare the complete optical design and published specifications.

Keep model distinctions clear

Check magnification, objective diameter, focal plane and tube size alongside the ED designation. Product-series wording such as HD is not a substitute for a confirmed ED-glass specification.

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