Single coated spotting scopes

Single layer

— incomplete Single Coated Coating: A single layer coating is applied to some lens surfaces. This is the simplest and most inexpensive option, found mainly in entry-level spotting scopes: a single-layer coating works effectively only in a limited part of the visible spectrum (which can distort colour reproduction), and its absence on some surfaces leads to the fact that glare will inevitably appear in the frame .