Astronomy Field of View Calculator Telescope Aperture (mm) Telescope Focal Ratio (f/#) Telescope Focal Length (mm) Provide either Telescope Aperture or Telescope Focal Ratio values alongside Telescope Focal Length. Clear Calculate Teledyne Scientific Imaging Camera Select Camera COSMOS-09 COSMOS-46 COSMOS-66 SOPHIA 2048 x 2048-132 SOPHIA 2048 x 2048-152 SOPHIA 4096 x 4096 KURO 1200B KURO 2048B Kinetix PIXIS 1024 x 1024 ProEM HS 512BX3 ProEM HS 1KBX3 - 10μm ProEM HS 1024BX3 ProEM 1600^2 eXcelon3 ProEM 1600^4 eXcelon3 NIRvana HS NIRvana 640 NIRvana LN Sensor Size x (mm) Sensor Size y (mm) Clear Calculate Field of View (arcmins) x y ComparisonCamera Sensor Size x (mm) Sensor Size y (mm) Clear Calculate Field of View (arcmins) x y