What is lens coating and why is it important?

Lens coating is a pivotal process involving the application of anti-reflective coatings onto binocular lenses. These coatings serve as a defense against light reflections and glare, fundamentally elevating the quality of image clarity, enhancing contrast, and bolstering the overall optical prowess of the binoculars.

There are 4 different types of lens coating no coating,coated,multi coated, and fully multi coated.

Non-coated lenses, also known as uncoated or untreated lenses, are optical lenses that have not undergone any additional coating or treatment to improve their performance or durability. In the context of telescopes, binoculars, and cameras, lens coatings are often applied to enhance optical performance and reduce various optical issues. 
The coated binoculars which have a single layer of anti-reflective coating on at least one lens surface. While less advanced than fully multi-coated options, they still provide improved image quality.
Binoculars labelled as "fully multi-coated" have multiple layers of anti-reflective coatings on all air-to-glass surfaces. This maximizes light transmission and colour fidelity, leading to high-resolution images. 
The Binoculars with multi-coated optics have multiple layers of coatings on some lens surfaces. This strikes a balance between light transmission enhancement and cost-effectiveness and,
Each type of lens coating contributes to reducing light loss due to reflections and maintaining optimal image quality. By effectively controlling unwanted glare, lens coatings allow you to enjoy clearer, more vibrant visuals while using your binoculars.