Follow focus marks are measured from the sensor to the area in the scene that requires sharp focus. If you're focusing on an actor, their eyes should be sharp, since we look at the eyes.
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| Follow Focus Mark on a RED camera. |
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| Measuring from the sensor mark to the actor's eye. |
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| Dry erase follow focus marks numbered on the white strip next to the focus pulling knob. |
A great DIY follow-focus option is to use a $5 silicone jar opener attached to your camera lens. You can also use a dry-erase marker to label your focus points. Via:
Follow Focus for Five Bucks by Film Riot on Youtube.
