Lens Field of View Calculator

This calculator estimates your lens's field of view, for a given camera and working distance. Contact us with any questions.

Calculations will be specific to the LSFN801 Fujinon DV3.8x4SR4A-1 1/1.8" 4 - 15.2 mm Manual Varifocal. Note the field of view depends on your camera's image sensor.

Dimensional Unit

Choose your preferred dimensional unit.

Camera or Sensor

If your camera or image sensor is in our catalog, you can search for its specifications.

Or, manually enter your camera's specifications.

Pixel Size

The horizontal size of each pixel, in µm.

Horizontal Resolution

Camera's horizontal resolution, in pixels.

Vertical Resolution

Camera's vertical resolution, in pixels. Enter 1 for line scan.

Advanced Options

Vertical Pixel Size

Set if different than horizontal pixel size, in µm.