Lumu Light Meter for iOS Devices (Silver)

Lock in an accurate exposure with the exceptionally portable Lumu Light Meter, a simple module that connects directly to your iOS device via the 3.5mm headphone jack. This incident meter is compatible with iOS 8.2 and later and utilizes a digital silicone photodiode along with a hemispherical cardioid-type diffuser and silver stainless steel body to measure ambient light. It offers a wide measuring range of 0.15-250,000 lux, or EV -4 to 20 at ISO 100, and has a rated repeat accuracy of 0.1 EV. Additionally, it does all this with minimal power draw from your device.