Not all calculators are created equal. A basic calculator might just give you a number (e.g., "Your FOV is 1.5 degrees"). However, the astro calculators go a step further by integrating with deep-sky object catalogs.
Best for astrophotographers with a computer or tablet.
A rising star in the community, Telescopius offers a highly detailed planner that combines FOV calculation with imaging opportunities based on your location and time of year. It is excellent for planning a night's imaging sequence.
FOV (deg) equals the fraction with numerator 57.3 cross Sensor Size (mm) and denominator Focal Length (mm) end-fraction Pro Tip for Planning Field of View Calculator - astronomy.tools
Not all calculators are created equal. A basic calculator might just give you a number (e.g., "Your FOV is 1.5 degrees"). However, the astro calculators go a step further by integrating with deep-sky object catalogs.
Best for astrophotographers with a computer or tablet. astro fov calculator top
A rising star in the community, Telescopius offers a highly detailed planner that combines FOV calculation with imaging opportunities based on your location and time of year. It is excellent for planning a night's imaging sequence. Not all calculators are created equal
FOV (deg) equals the fraction with numerator 57.3 cross Sensor Size (mm) and denominator Focal Length (mm) end-fraction Pro Tip for Planning Field of View Calculator - astronomy.tools "Your FOV is 1.5 degrees"). However