Circle of Confusion Calculator

Calculate the circle of confusion for different sensor sizes and viewing conditions.

Enter the sensor diagonal value for this calculation.
mm
Dimensional measurement of the item.
inches
Linear measurement between two points.
inches

Results

Circle of Confusion:
Calculated circle of confusion based on your inputs.
-mm
Zeiss Formula CoC:
Calculated zeiss formula coc based on your inputs.
-mm
Enlargement Factor:
Calculated enlargement factor based on your inputs.
-x
Reference: Industry Standards.