Making Phone Screens Readable on Camera: Brightness, Moiré and Flicker
Short answer: To film a readable phone screen, lower the screen brightness to sit within the scene's exposure, defocus slightly or change the angle to beat moiré, flag reflections, and match the shutter to avoid flicker. Make text larger than you think; PhoneGuy has text-size scaling for messages. Always test with the real lens and frame rate.
Step by step
- Expose for the face. Then dim the phone until the screen holds detail.
- Fight moiré. Change the distance, the angle or the focus slightly.
- Control reflections. Use flags, a polariser or a matte screen protector.
- Check flicker. Test the shutter angle against the screen refresh rate.
- Scale the text. Increase the message text size for wide shots.
Common mistakes
- Screens clipped to white in dark scenes
- Unreadable small text in a mid shot
- Crew and lights reflected in the glass
FAQ
Why does the phone screen strobe on camera?
The screen refresh and the camera shutter interfere. Adjust the shutter angle or the frame rate.
Should I use a matte screen protector?
It often helps with reflections, but test it, because it softens the image.
Related guides
- Phone Screen Replacement in Post vs. a Live Screen on Set
- Phone Playback Operator: The Job and the On-Set Workflow
- Fake iPhone for a Movie: Props, Dummy Phones and Live Screens
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