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Articles on filmmaking technique, production planning, and industry knowledge.
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What Circle of Confusion Should You Use for Your Camera?
A practical guide to choosing the right circle of confusion value for full frame, Super 35, APS-C, and Micro Four Thirds sensors. Match your CoC to your delivery standard, not your camera marketing.
What Circle of Confusion Value Should You Actually Use? A Sensor-by-Sensor Guide
Most DoF calculators pick a default circle of confusion value and never show it to you. Some default to 0.029mm for every camera regardless of sensor size. Others use 0.025mm for 'cinema' modes that span three different sensor formats. Here is how to find out what your app is actually using and whether it is correct.
What Circle of Confusion Should You Use for Your Camera?
The circle of confusion value in your DoF calculator is sensor-format specific. Using the wrong CoC produces inaccurate depth of field predictions on set. Here is exactly which value to enter for every common cinema and mirrorless camera.