Can a smart phone light meter really be every bit as good as a dedicated professional device? Erik Vlietink takes a good look at the Illuminati from Illuminati Instruments. App-based light meters that ...

Spawn Illuminati (App Store)is a fun and cheap little app for your iPhone/iTouch. You can see what it does; it spawns little blobs of light that respond, in a manner of speaking, to your touch ...