INSTRUMENTS

Binoculars: An Introduction

  Table of contents

Binoculars: An Introduction
Foldable eyecup for eyeglass wearers:
Adjustment of pupil distance:
Focusing Diopter adjustment:
For  (Individual Focusing) binoculars
Key Points to keep in mind:
Magnification
Real field of view:
Apparent field of view:
Wide field of view:
Eyepoint and eye relief:
Exit pupil:
Relative brightness:
Effective aperture of the objective lens:
Lens coating:
Aberrations and Distortion:
Spherical aberration:
Astigmatism:
Curvature of field:
Coma: (comatic aberration)
Distortion:
Chromatic aberration: