I love how simple this app is, and it's helpful under bright to cloudy daylight for shooting with a pinhole camera. The app won't calculate longer exposures, however, insisting that certain scenarios (incandescent, lighting, for instance) are "too dark". I've used a paper dial to calculate appropriate exposure times for those scenarios, but would really love to see this app be able to handle that. That being said, I really appreciate the simplicity and clean interface. It's perfect for students or beginners, and the inverter feature is a great teaching tool. Thank you so much for developing this! 🙏🏼

I love my Camera Book but light metering has until now been a pain point. None of the other light meter apps available were made with pinhole photography in mind. They are also mostly ugly, harder to use AND cost money.Enter This App is a Light Meter! It solves ALL of the aforementioned problems. Not only does it work perfectly, it is super easy to use, and even has a most helpful bonus feature: An inverter. Now in one FREE app I can get the right exposure time instantly without having to fiddle with settings, set a timer, and even invert my negative after development. So great! Thanks for making this.

I think this app needs adjustable f/stops and adjustable iso

This is the best app for calculating exposure times for a pinhole camera. However, it needs a feature where we can change our ISO and f-stop. A lot of people use Ilford RC paper which is around ISO 5. Sometimes our pinholes will be bigger or smaller as well as our focal length. Being able to change these variables would be fantastic.