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Lumulabs LUMU POWER User Manual

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LUMU POWER LIGHT METER
User guide
Contents
July 2017

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Summary of Contents for Lumulabs LUMU POWER

  • Page 1: Table Of Contents

    LUMU POWER LIGHT METER User guide Contents 1. EXPRESS YOURSELF 2. LIGHT METER iOS APP 3. LUMU POWER DEVICE 4. SUPPORT 5. LUMULABS D.O.O. July 2017...

  • Page 2: Express Yourself

    Until now, one had to use multiple tools. They have too many limitations, they are too complex, and take time and effort to use. Lumu Power is - on the other hand - only one device that has the power of many.

  • Page 3: Light Meter Ios App

    Each Mode Screen: • On top of the screen, you can see small pictogram - it tells you which side of the Lumu Power is measuring in this particular mode. You can of course plug your Lumu Power in your iOS device in either orientation.
  • Page 4 LUMU POWER User guide 2.1 PHOTO SPOT METERING Mode This mode transforms your iPhone into the spot meter. You don't need any Lumu hardware to enable it. You can measure the exposure of the whole visible frame or only of a small point.
  • Page 5 LUMU POWER User guide 2.2 DOME SIDE OF THE LUMU POWER Lumu Power is an incident light meter, so when measuring Ambient or Flash Exposure you have to place it close to your subject and keep the Dome faced directly towards the camera lens.
  • Page 6 LUMU POWER User guide PHOTO FLASH Mode You operate it like the PHOTO AMBIENT Mode. After you capture a flash, you can adjust parameter values with swiping. App will automatically recalculate all displayed info. In addition to the standard photo parameters, this mode gives you two additional measurements: •...
  • Page 7 LUMU POWER User guide 2.3 FLAT SIDE OF THE LUMU POWER ILLUMINANCE Mode • AVG icon in the bottom left will plot the graph of the measurement and calculate average illuminance in real time. For this option to be visible, you have to set “CONTINUOUS MEASURING”...
  • Page 8 LUMU POWER User guide New features in the next app updates: Option to show GREEN/MAGENTA shift in other scales, such as Wratten numbers, plusgreen/minusgreen etc. CHROMATICITY Mode Currently only showing chromaticity coordinates in CIE 1931 color space, more will be added in the future app updates.

  • Page 9: Lumu Power Device

    LUMU POWER User guide 3 LUMU POWER DEVICE Lumu Power incorporates two state-of-the art sensors. True Color sensor, based on the color standard CIE 1931/DIN 5033, and Fast Silicone Photodiode with CIE spectral luminous efficiency. Shape of the Flat and Dome diffusers ensure the correct angular response, as specified in the ISO 2720-1974 (E) standard.

  • Page 10: Support

    LUMU POWER User guide Tech specs: Color Temperature • Illuminance • Sensitivity: Visible light • Range: 0.15 - 250,000 lux • Accuracy: +/- 3% • Dynamic range: 1:1,000,000 
 • Flat Diffuser, Cosine-type response • Accuracy: in Kelvin values: 1% at 2,000K, 10% at 20,000K •...

  • Page 11: Lumulabs D.o.o

    More than 20,000 people make better photos and movies with the help of the original Lumu Light Meter, the new Lumu Power or using just Spot Metering in the Lumu Light Meter app. We design and manufacture our products in Slovenia, Europe.