Pixel scale determines the resolution of your setup. It tells you how many arcseconds of sky land on each individual pixel of your camera sensor.
While FOV tells you how much sky you see, Pixel Scale tells you how fine the detail is within that sky. It is calculated with a different constant.
Choosing the right combination of telescope and camera or eyepiece can feel like guesswork.An astronomy Field of View (FOV) calculator removes this uncertainty completely.Whether you photograph deep-sky nebulae or view the planets, understanding FOV ensures your targets fit perfectly in your frame. What is an Astro FOV Calculator?
Save your gear configurations for quick planning sessions. Stellarium (Desktop & Mobile)
FOV (degrees)=Sensor Dimension (mm)×57.3Focal Length (mm)FOV (degrees) equals the fraction with numerator Sensor Dimension (mm) cross 57.3 and denominator Focal Length (mm) end-fraction
Understanding Your View: The Ultimate Guide to Astro FOV Calculators
In 2021, these calculators evolved from simple geometry equations into rich, visual simulators with massive astronomical databases.
This calculation tells you exactly how much sky you will see through that eyepiece, allowing you to plan whether the Pleiades or the entire Veil Nebula will fit in your view.
As you build your astrophotography rig, let the FOV calculator be your guide: match your sensor to your scope, calculate your pixel scale, and start framing the universe with professional precision.
Remember to multiply your base focal length if you use optical accessories. A 0.7x reducer turns a 1000mm telescope into a 700mm system. 2. Sensor Size (Dimensions)
: A user-friendly option for beginners that simplifies the process by providing a pre-populated list of popular commercial telescope and camera models. Core FOV Calculation Formulas
Captures the widest possible view. Requires high-end optics to avoid blurry edges.
M=ftelescopefeyepiececap M equals the fraction with numerator f sub telescope end-sub and denominator f sub eyepiece end-sub end-fraction
Simulates your FOV directly against a live, moving 3D rendering of the night sky.
: A simpler, highly visual tool ideal for beginners to see how the Moon or planets look through different apertures. BBC Sky at Night FOV Calculator
Pixel scale determines the resolution of your setup. It tells you how many arcseconds of sky land on each individual pixel of your camera sensor.
While FOV tells you how much sky you see, Pixel Scale tells you how fine the detail is within that sky. It is calculated with a different constant.
Choosing the right combination of telescope and camera or eyepiece can feel like guesswork.An astronomy Field of View (FOV) calculator removes this uncertainty completely.Whether you photograph deep-sky nebulae or view the planets, understanding FOV ensures your targets fit perfectly in your frame. What is an Astro FOV Calculator?
Save your gear configurations for quick planning sessions. Stellarium (Desktop & Mobile) astro fov calculator 2021
FOV (degrees)=Sensor Dimension (mm)×57.3Focal Length (mm)FOV (degrees) equals the fraction with numerator Sensor Dimension (mm) cross 57.3 and denominator Focal Length (mm) end-fraction
Understanding Your View: The Ultimate Guide to Astro FOV Calculators
In 2021, these calculators evolved from simple geometry equations into rich, visual simulators with massive astronomical databases. Pixel scale determines the resolution of your setup
This calculation tells you exactly how much sky you will see through that eyepiece, allowing you to plan whether the Pleiades or the entire Veil Nebula will fit in your view.
As you build your astrophotography rig, let the FOV calculator be your guide: match your sensor to your scope, calculate your pixel scale, and start framing the universe with professional precision.
Remember to multiply your base focal length if you use optical accessories. A 0.7x reducer turns a 1000mm telescope into a 700mm system. 2. Sensor Size (Dimensions) It is calculated with a different constant
: A user-friendly option for beginners that simplifies the process by providing a pre-populated list of popular commercial telescope and camera models. Core FOV Calculation Formulas
Captures the widest possible view. Requires high-end optics to avoid blurry edges.
M=ftelescopefeyepiececap M equals the fraction with numerator f sub telescope end-sub and denominator f sub eyepiece end-sub end-fraction
Simulates your FOV directly against a live, moving 3D rendering of the night sky.
: A simpler, highly visual tool ideal for beginners to see how the Moon or planets look through different apertures. BBC Sky at Night FOV Calculator
Trusted by Enterprises, Agencies and Start-up’s globally for over 20+ years.
