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Luxilux Light Meter

Luxilux Light Meter

Measure the perfect exposure

72 ratings
33 reviews
🔧 Utilities
📷 Photo & Video
$5.99

Details

  • Released
  • Updated
  • November 12, 2019
  • March 21, 2025

Developer

Christian Lobach
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About

This app functions as a portable light meter for photographers, especially those using film cameras without built-in meters. It allows for precise exposure readings, offers various shooting modes, and lets you save your settings with preview images.

✓Average and spot metering
✓Aperture priority mode
✓Shutter priority mode
✓Manual exposure mode
✓Save exposure settings with photos
✓Customizable camera profiles
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What's New in Luxilux Light Meter

2.1

March 21, 2025

Added a Control Center control. You can now launch Luxilux from Control Center or your Lock Screen.

User reviews

Most RecentHighest RatedLowest Rated

赞

很实用，快捷
隐士的天堂隐士的天堂

Sehr genaue Ergebnisse

Ursprünglich hatte ich diese App mit einem Stern bewertet. Mittlerweile habe ich herausgefunden, dass es nicht an der App lag, sondern an meiner Kamera. Meine Kamera hat in den Verschlusszeiten Abweichung gehabt. Dies habe ich mit einem Messgerät herausgefunden. Nach Reparatur ist dieser Fehler nicht mehr aufgetreten. Seitdem ist auch die App ziemlich genau! Benutze diese App jetzt seit zwei Jahren mit sehr präzisen Ergebnissen! Und das sogar, obwohl ich auch schon Spielereien gemacht habe wie pushen oder Pullen und die Ergebnisse waren immer exakt genau!
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CemJamsonCemJamson

Response from developer

Vielen Dank für die positive Bewertung und viel Spaß mit der reparierten Kamera!

Needs refinement

The ISO choices jump in large increments. When I pay for an app, I expect a bit more refinement than a free app. For example, when using ISO 125 film, I have to use the 100 setting in the app and then do some math myself to compensate. Can’t the app do the math for me and let me adjust the ISO in small increments?
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Zulu345Zulu345

Response from developer

The default is full stops for ISO, aperture and shutter speed, but it can be changed. In the app go to Settings / Profiles / Default Profile. Here you can change the granularity for ISO / Compensation to 1/3 stops and you can select ISO 125. You can also create other profiles to save different settings when shooting with different cameras / lenses / films.

My app suggestions

Please add a grid and a level. The app updated is wonderful for me, but I’m missing a grid and a level. It’ll make it way easier for me to get the shot and it’s not cut off but leveled and in a grid. Other than that, I’m loving the app now because of the useful upgrades it brings me! Thanks for the update. Hopefully, I’ll see a grid and level soon added to this app.
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CiChrisCiChris

Response from developer

Hi Chris, Sorry that the app is not what you expected. It doesn’t claim to be a camera and the App Store description explains how you can use it as a light meter. I immediately replied to your DM on Twitter with a link on how to request a refund from Apple. Please follow these instructions since developers can’t refund users directly. - Christian

Custom shutter speed suggestion

I would love a feature where u can customize the shutter speed for longer than 30 seconds. Anyway that can be added?
PrinceG88PrinceG88
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FAQ

What does the Luxilux Light Meter app do?

This app acts as a digital light meter for your smartphone. It helps photographers, especially those using film cameras or cameras with broken meters, to accurately measure light for perfect exposure. It analyzes the camera's preview image to provide readings.

What are the key features of Luxilux?

Key features include average and spot metering with zoom capabilities, aperture priority (Av), shutter priority (Tv), and manual (M) exposure modes. You can also save your exposure settings along with a preview image and location data.

Is Luxilux free to use?

Yes, the Luxilux Light Meter app is available for free. There are no in-app purchases or advertisements mentioned, suggesting a completely free experience for users.

What devices is Luxilux compatible with?

The app utilizes your device's built-in cameras for metering. It is compatible with smartphones that have functioning rear cameras. If your device has multiple rear cameras, you can switch between them for different readings.

How can I use Luxilux for my film camera?

For film cameras, you can set your ISO and aperture in the app's Av mode, and it will calculate the correct shutter speed. Alternatively, in Tv mode, you can set ISO and shutter speed to get the right aperture. Manual mode allows you to adjust all settings and see deviations from optimal exposure.