Depth of Field Calculator

Circle of CONFUSION default numbers: 
Keep all your units in the grey fields the same.
When you get a negative number this means infinity.
Depth of Field Caculations are taken from the Front Nodal Point of a lens and NOT from the Image Plane.
When you get a negative number this means infinity.
Depth of Field Caculations are taken from the Front Nodal Point of a lens and NOT from the Image Plane.
Focal Length Calculator
Use this to calculate what focal length you need in order to fill a measurement in the frame edge to edge.
If you need to fill a measurement horizontally, use the horizontal measurement of your sensor. If you need to fill a measurement vertically, use the vertical measurement of your sensor.
Below is an extreme example of filling the diameter of the Moon horizontally in the frame on a FS7 Camera from Earth.
If you need to fill a measurement horizontally, use the horizontal measurement of your sensor. If you need to fill a measurement vertically, use the vertical measurement of your sensor.
Below is an extreme example of filling the diameter of the Moon horizontally in the frame on a FS7 Camera from Earth.

Mesurements Used:
Diametre of the moon = 3475000000 mm Distance of the Moon from Earth = 398100000000 mm 
ANgle of View
Intermediate Apertures
Set Up Calculator
You can enter what every value you like. For example calculating a 10 stop increase or even 1/10 stop increase.
You can enter what every value you like. For example calculating a 10 stop increase or even 1/10 stop increase.
Set Down Calculator
You can enter what every value you like. For example calculating a 10 stop decrease or even 1/10 stop decrease.
You can enter what every value you like. For example calculating a 10 stop decrease or even 1/10 stop decrease.
Fstop Difference Calculator.