Anti-Reflection Lens Coatings on Binoculars

In binoculars, anti-reflection coatings are mainly designed to assist with light transmission thus helping to produce a brighter image with better contrast. These days almost all good quality binoculars some sort of these coatings applied to at least some of the air to glass surfaces of their lenses. These anti-reflection coatings are often made up […]


Exit Pupil – The Complete Guide

Optics & Binoculars 101: Exit Pupil In the world of optics, the exit pupil is a virtual aperture in an optical system. On a pair of binoculars, it can be seen as the bright circle in the center of each eyepiece when you hold them about 30cm away from your eyes and with the objective […]