Sport Optics Guide -Binoculars-

This guide is intended to help you understand and fully enjoy the use of your binoculars. Click on the categories below to view basic information, useful tips on how to choose and use binoculars, and explanations of optical technologies.

Basic Information about Binoculars What are binoculars? Types of binoculars Magnification Effective diameter of the objective lens Exit pupil Relative brightness Eye relief Field of view

How to Choose Binoculars Choosing binoculars for the first time Choose by specifications Choose according to purposes and scenes

How to Use Binoculars How to use CF binoculars / Nomenclature How to use IF binoculars / Nomenclature How to hold and tripod use Precautions

Structure and Optical Technologies Internal structure Focus adjustment Magnification principle Lenses of binoculars Lens coatings Prisms of binoculars Coating on roof (Dach) prism Aberrations Resolution