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Luxi vs. Photography Light Meter vs. Digital Lux Meter

Posted by Chris Draper on

Some Kickstarter backers asked to see Luxi in action, compared to existing devices. This week we tested Luxi with a Sekonic L-308 and a digital lux meter. We used Pocket Light Meter and Light Meter by White Goods for the lux testing.     Outside the Extrasensory Devices office on a cloudy day. We see time at 1/500, f/16 and ISO 800. Beautiful public plants in Palo Alto get the same light meter treatment: 1/500, f/11. Digital lux meter test images:   Direct sunlight: ~95,000 lux! Lux reading in our workshop. More images available here.

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Luxi - iPhone Incident Light Meter

Posted by James Flynn on

Extrasensory Devices has launched Luxi, an incident light meter attachment for iPhones. Luxi clips onto your iPhone and, with an app, turns it into a light meter for photography, videography, or anything else that requires measuring light levels. Using Luxi, photographers can turn their iPhone into an incident light meter.     Follow us on Twitter and visit us on Facebook.

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Luxi the Light Meter for your iPhone

Posted by James Flynn on

One of the final prototypes mounted to an iPhone 4.  Hand made Acrylic dome to simulate final translucent dome.  The large dome gathers plenty of light to make a good sample for the camera to meter with.

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iPhone 5 Luxi Prototype

Posted by James Flynn on

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Side-by-Side Testing

Posted by James Flynn on

We now have prototypes for both the iPhone 4 & 5.  We tested them against the Sekonic and they seem to hold up great.  Can't really see a difference more that 1/2 a stop.  The best part is it keeps reading without pressing a button. The data changes as the light changes.  Glad we only rented the Sekonic as this works just as well. Looks like we are getting close to having a real product. Kickstarter here we come!  

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