Use our Depth of Field calculator which includes F-Stops and Hyperfocal Distance.

Camera Depth of Field Calculator

A Camera Depth of Field Calculator for Surveillance Camera and M12 Lens. DoF and Hyperfocal Distance Calculator.
A Camera Depth of Field Calculator for Surveillance Camera and M12 Lens. DoF and Hyperfocal Distance Calculator.

The depth of field of a camera is the range of distances which objects are in focus. The depth of field is dependent upon the camera sensor pixel pitch, the lens effective focal length, and the lens aperture diameter. 

This depth of field calculator has five primary outputs:
1.) Depth of Field
2.) Hyperfocal Distance
3.) Geometric and Diffractive Depth of Focus
4.) Sensor Nyquist Frequency
5.) Relative Transmittance of 2 F#s and the required exposure length difference

A faster aperture (lower F/#) results in a shorter depth of field, whereas a slower aperture (higher F/#) results in a longer depth of field.

The depth of field is related to the "Hyperfocal Distance" which is the distance at which if you focus a camera, all objects beyond the distance will be in focus.

If you focus a camera closer than the hyperfocal distance,  the depth of field will get shallower. The depth of field is not symmetric around the selected focus distance; It extends further beyond the focus distance than in front of the focus distance.

The depth of field can be characterized by three metrics:

  • The Hyperfocal Distance is the distance at which a lens should be focused to achieve acceptable focus out to infinity.
  • The Near Focus Distance is the closest distance which will be in focus, given a specific focus distance. When a camera is focused at the Hyperfocal distance, the Near Focus Distance is equal to half of the Hyperfocal distance.
  • The Far Focus Distance is the further distance which will be in focus, given a specific focus distance. When a camera is focused at the Hyperfocal distance, the Far Focus Distance is  Infinity.

The amount of light incident on the image sensor is reduced using a higher F/#, requiring a longer exposure or more digital gain / ISO. We've added an f-stop calculator to provide relative illuminance (throughput) of a lens with different f-stops. This way you can adjust exposure and gain based upon the lens F/#.

Click below Use our Other Camera Calculators

Lens Focal Length Calculator. EFL Calculator.
Camera Angle of View Calculator. Camera AoV Calculator.
Camera Field of View Calculator. FoV Calculaot

What's Your Application? Our Lenses Cover the Spectrum.

Mobile Robotics?

Find a low F# or low distortion lens to optimize your computer vision.

Factory Machine Vision?

Our cost-effective compact C-Mount lenses are designed for up to 1.1"~1.2" format global shutter sensors.

Intelligent Everywhere?

Our low distortion lenses with multiple F# can be used to optimize your depth of field.

Surveillance?

Our fisheye and IR Corrected lenses are suitable for doorbell cameras and active IR illuminated scenes.

Telephoto 16mm M12 Lens

CIL160-F1.9-M12A650

Telephoto 16mm M12 Lens

IP67 12mm M12 Lens

CIL120-F2.4-M12A650

IP67 12mm M12 Lens

195°@5.2mm Fisheye Lens

CIL818-F2.0-M12A660

195°@5.2mm Fisheye Lens

Does it Require Getting Dirty?

Our IP67 and IP69K lenses are suitable for applications exposed to the environment.

Aerial Robotics?

Our tiny lenses are ideal for collision avoidance and object recognition.

4mm M12 Lens for See3Cam_CU81
4mm M12 Lens for See3Cam_CU81
4.4mm S Mount Lens CIL343
4.4mm S-Mount Lens
CIL343-F2.3-M12A650
Wide-Angle 4.4mm M12 Lens
$49.00
IMX462 M12 Lens CIL079
IMX462 M12 Lens CIL079
8mm M12 Lens CIL079
8mm S Mount Lenses CIL079
CIL079-F2.0-M12A650
Low Distortion 7.9mm M12 Lens
$39.00
IR Corrected Day Night Fisheye Lens S-Mount
IR Corrected Day Night Fisheye Lens S-Mount
Surveillance Fisheye Lens S-Mount
Security Camera Fisheye Lens Day and Night
CIL239-F2.0-M12A650
186°@5.2mm IR Corrected Fisheye M12 Lens
$59.00
18mm M12 Lenses
18mm M12 Lenses
18mm M12 Lens
Telephoto S Mount M12 Lens 18mm
CIL178-F2.0-M12A650
Telephoto 18mm M12 Lens
$39.00
10MP IP69 Wide Angle M12 Lens CIL333
10MP IP69 Wide Angle M12 Lens CIL333
IMX678 M12 Lens Wide Angle
Small S-Mount Lens1/1.8
CIL333-F2.0-M12B650
Wide-Angle 3.5mm M12 Lens
$39.00
Wide-Angle 4mm M12 Lens
Wide-Angle 4mm M12 Lens
Wide-Angle 4mm M12 Lens
CIL339-F1.6-M12A640
Wide-Angle 4mm M12 Lens
$99.00