LumaMe guide · iPhone

How to use your iPhone as a screen fill light

Turn the display into a nearby fill light for a selfie, portrait or close-up. LumaMe lets you choose a lighting look, adjust the screen brightness and keep the controls from changing accidentally.

Before you start

  • An iPhone with LumaMe. You can also use an iPad as the lighting device.
  • Use a second device if you want one screen dedicated to lighting while another camera captures the shot.
  • The basic screen light is free. Gradients, unlimited saved presets and some recording options require Pro.
01

Open the light and choose a preset

Open LumaMe's light panel and choose a preset such as Natural Soft or Warm Sun. These are starting looks, not a guarantee of the same lighting on every device. Swipe left or right on the light to move through presets.

02

Adjust brightness for the scene

Swipe up or down on the light surface to change screen brightness. Adjust it while looking at your camera preview, rather than assuming the brightest setting is best. Color controls let you refine the look if needed.

03

Place the light for the shot

Position the screen near the subject and check the effect in your camera. A second iPhone or iPad can act as the light while another device records. Results depend on screen size, distance and the surrounding light.

04

Hide or lock the controls

Tap the light surface to hide or restore controls. Touch and hold the light to toggle the lock; the visible Lock Controls or Unlock Controls action is another option. Unlock before trying to change a locked lighting setup.

05

Optionally capture with the built-in camera

Choose Camera if you want to capture in LumaMe. Camera access is requested when you open this feature; video with sound also needs microphone access. Choose Photo or Video, compose the shot, then capture and review it in the local library. Copy to Photos only when you choose that destination.

What the controls look like

LumaMe light panel showing the color palette, recent looks and preset controls. The gradient shown is a Pro feature.
The preset row includes Natural Soft and Warm Sun. The gradient in this official App Store example is a Pro feature; you can follow the basic lighting workflow with a standard preset.
LumaMe assisted camera with a circular preview, Photo and Video modes, zoom, brightness and shutter controls.
The assisted camera combines a preview, Photo and Video modes, brightness controls and a shutter. It is optional when you only want to use the screen as a light.

If the result is not what you expected

Swipes do not change the light

Check whether the controls are locked, then unlock before adjusting brightness or switching presets.

System brightness changed

The light panel temporarily controls screen brightness. The app restores the previous brightness when you leave the panel or auto-off runs.

The result differs from the screenshot

Display characteristics and ambient light affect the result. Color temperature is simulated by the screen, not a physical lamp specification.

Steps refer to the current iPhone workflow. Images are existing official App Store previews; exact layouts and available options can vary by app version, device and model. See the app's current purchase screen for free allowances and Pro access.

Continue with LumaMe

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