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Field of View Calculator

For DSLR and SLR Cameras

To aid in the framing of various objects for astrophotography and viewing, many astronomy programs such as Starry Night Pro and Cartes du Ciel, allow the use of Field of View (FOV) indicators. This calculator, which is based on the original javascript by Howard Edin, allows you to quickly calculate the size of the field of view for various configurations of cameras, lenses, and telescopes.

Camera Type :

Focal Length (in mm) :

 

X Size :

Y Size :

Sampling :

  (Arcseconds per Pixel)

Display Format :

Degrees, Minutes, Seconds   Decimal