Telescope Field of View Calculator

Telescope Field of View Calculator CalculatorScale.com

Input Parameters

Instant Real-time Calculation

Telescope Focal Length

Eyepiece Focal Length

Eyepiece Apparent FOV (AFOV)

deg

Result Physics

True Field of View (TFOV)

-- deg

Export calculation:

Calculation Logic:

The Telescope Field of View Calculator is governed by TFOV = AFOV / Magnification | Magnification = f_telescope / f_eyepiece. It describes the mathematical and physical relationship between the optical or acoustic system parameters.