Lumu Power "1" hardware (first generation, released first at the end of 2015) can't measure Flash Color Temperature.
Which means it can't be upgraded to measure Flash CT.
We honestly believed tried really hard for quite some time to be able to enable this functionality with the original Lumu Power 1 with e.g. simple Firmware and iOS app update. Unfortunately we weren't able to achieve it and had to develop a new hardware - Lumu Power 2.
Lumu Power 2, released in October 2018, is a completely new hardware with new color sensor and additional fast response photodiode.
It can measure everything that the fist generation was able to do:
- Ambient/Flash Exposure
- Ambient Color Temperature
+ additionally Flash Color Temperature.
In terms of accuracy for Ambient/Flash Exposure, Ambient CT, Illuminance and Chromaticity - both versions, 1 and 2, are basically the same.
We will continue to make the measuring accuracy, speed and overall performance of Lumu Power 1 and 2 better in the future - with free automatic Firmware upgrades and iOS app updates, just as we did in the past.
Lumu Power 2 hardware is more expensive to produce, and we are introducing three different variants of it, from the cheapest to the most expensive):
- "Lite" (measures only Ambient/Flash Exposure for photographers and video shooters)
- "Power" (additionally measures Ambient Color Temperature, Chromaticity and Illuminance)
- "Pro" (additionally measures Flash Color Temperature).
"Lite" and "Power" variant can be upgraded to the "Pro" functionality, over-the-air with simple in-app purchase.
Price for in-app purchase upgrade after original purchase will be roughly 10-15% higher than the original price difference between variants.
Learn more details about our products and pricing at http://lu.mu/.