Every binocular is built to withstand a certain amount of punishment. If you take proper care of your finely tuned binocular the factory should stand behind them for a lifetime. Answering the following questions will help select the binocular that is right for you. This coating helps to reduce glare and reflection. This coating also increases the light transmitted to your eyes.
Research shows that coating every lens surface increases light transmission to the eye.
This helps give the user a brighter, crisper image. Contrast and definition are improved because of the almost complete elimination of stray light. This coating can be seen as the tinted glass on the exterior lenses. Lenses that have been coated only once to help reduce glare and reflection. The type of coating on your binocular can be easily distinguished by simply holding the largest lens away from you at arms length and observing the color of the tint of the lens.