cap F cap O cap V sub d e g r e e s end-sub equals open paren the fraction with numerator Sensor Dimension (mm) and denominator Telescope Focal Length (mm) end-fraction close paren cross 57.3 Sensor Dimension : Use either the width or height of your camera sensor. : The constant used to convert radians to degrees. 2. For Visual Astronomy (Eyepieces) Apparent FOV of Eyepiece Magnification
), your images might look blurry because you're zoomed in more than the atmosphere allows. Visualizing the Result astro fov calculator 2021