Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Photography
Field of View Calculator
Calculates the horizontal angle of view in degrees for any focal length and sensor width combination. Use it when choosing a lens for a specific framing or comparing cameras with different sensor sizes.
Fill in the required fields to see your result.
Photography
Exposure Value Calculator
Computes the Exposure Value (EV) at ISO 100 from aperture and shutter speed, giving a single number that represents the total light reaching the sensor. Use it to compare exposure settings or match lighting conditions across scenes.
Fill in the required fields to see your result.
Key differences
| Field of View Calculator | Exposure Value Calculator | |
|---|---|---|
| Category | Photography | Photography |
| Inputs required | 2 | 2 |
| Result | Horizontal Field of View (degrees) | Exposure Value (EV) |
| What it does | Calculates the horizontal angle of view in degrees for any focal length and sensor width combination. Use it when choosing a lens for a specific framing or comparing cameras with different sensor sizes. | Computes the Exposure Value (EV) at ISO 100 from aperture and shutter speed, giving a single number that represents the total light reaching the sensor. Use it to compare exposure settings or match lighting conditions across scenes. |