lens coatings - Binocular Logic

Fully multi-coated binoculars: read the word fully before trusting the claim

Oct 19, 2026 by Binocular Logic Editorial Team

Fully multi-coated binoculars claim broader multilayer anti-reflection treatment than wording such as coated, fully coated, or multi-coated. The word fully matters because it changes the claimed coverage, but the label still does not tell you the coating recipe, application quality, prism treatment, or measured transmission of the complete binocular. Read the exact phrase first, then

Same specs, different image: what drives the optical quality of binoculars

Oct 12, 2026 by Binocular Logic Editorial Team

Two binoculars can share the same 8×42 label and still deliver noticeably different color control, contrast, glare resistance, and edge behavior. The optical quality of binoculars comes from how the whole optical train handles several separate image problems, not from one premium term on the box. ED glass, anti-reflection coatings, roof-prism coatings, prism-glass labels, and