Interactive tool
Magnification & Exit Pupil Calculator
Work out exit pupil from any binocular’s two numbers, or get a magnification suggestion for your terrain.
Magnification & Exit Pupil Calculator
Exit pupil = objective lens diameter ÷ magnification. Enter any binocular’s two numbers to see how wide the beam of light leaving the eyepiece is.
Which magnification suits my terrain?
Tell us how you hunt and we suggest a magnification, objective size and tripod approach.
