Lumu Light Meter - Black

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Product Overview

  • Incident Light Meter for iOS 7.0 & Later
  • Digital Silicone Photodiode
  • Hemispherical Diffuser
  • Measuring Range: 0.15-250,000 lux
  • Repeat Accuracy: ±0.1 EV
  • 3.5mm Headphone Connection
  • Aluminum Construction
  • Powered by iOS Device
  • Photo, Video, & Pinhole iOS Apps
  • Leather Strap & Pouch Included
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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 7.0 and later and utilizes a digital silicone photodiode along with a hemispherical cardioid-type diffuser and black aluminum 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.

In order to optimize usage for your applications, there are three iOS apps available: Photo, Video, and Pinhole. The Photo app is designed for stills shooters offering a variety of controls, metering options, and settings, including a reflected light mode using the device's camera. Video users will be pleased by their own dedicated app which adds much needed motion parameters such as frame rate to the mix. And, the Pinhole app allows extreme long exposure photographers to work alongside a timer and accurate metering system.

This meter is very convenient coming in at just 24 x 18 mm in size and it has 2.286mm of free space between it and the device in order to remain bumper-proof. Also, it comes with a leather neck strap and storage pouch to ensure your investment is either by your side or safely put away.

Lumu Photo App

  • Photo Mode: Offers parameters such as time (shutter speed), aperture, ISO, EV, and lux.
  • Camera Mode: Uses device's camera to create a reflective reading.
  • Average Mode: Calculate average value or contrast between multiple measurements.
  • Measure Mode: Show EV and incident light levels in lux or fc (foot candle).
  • Notes: Store measurements with camera info, location, notes, and a photo.
  • Settings: EV compensation for using ND filters, EV step in 1 EV or 1/3 EV, custom wallpaper.

Lumu Video App

  • Video Mode: Calculate video parameters, including frame rate.
  • Filter Compensation: EV compensation for using ND filters.
  • Measure Mode: Show EV and incident light levels in lux or fc.
  • Lumu Pinhole App
  • Photo Mode: Calculate correct time and start a timer.
  • Notes: Store measurements with camera info, location, notes, and a photo.
  • GTIN - 3831118400027
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Type Digital light meter for ambient light
Receptor Head Hemispherical diffuser, cardioid-type
Receptor Element Digital silicone photodiode
Measuring Methods Incident light
Measuring Range 0.15-250,000 lux (EV -4 to 20, ISO 100)
Repeat Accuracy ±0.1 EV
Power Source Draws from iOS device
Power Consumption 10 mW max.
Connection 4-pin 3.5 mm headset jack
Compatibility iPhone, iPad, and iPod Touch (optimized for iPhone 5 or later) iOS 7.0 or later
Certifications CE, FCC
Construction Aluminum housing
Operating Temperature -10 to 50°C
Storage Conditions -20 to 60°C
Dimensions 24 x 18 mm
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What’s In The Box
  • Lumu Light Meter - Black
  • Lumubag Storage Bag
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