Lightray Diffuser and Cosine Corrector
Best precision tool for photographers seeking accurate light measurement.
Turn your smartphone into a professional-grade light meter with this simple, high-precision optical attachment. It eliminates the need for expensive, bulky hardware by leveraging your device's camera to deliver accurate PAR, PPFD, and lux readings instantly.
$34.95
at
Greenergardensmn
Who it's for
- Field researchers requiring precise irradiance data under varying sun positions
- Lab technicians needing consistent color rendering index measurements
- Engineers looking for plug-and-play optical hardware integration
Who should skip it
- Low-light specialists working with faint photon counts
- Budget-conscious hobbyists who only need basic light intensity readings
- Industrial workers operating in high-debris or oily manufacturing environments
Performance breakdown
Measurement Accuracy
Swiss-engineered optics deliver readings that rival dedicated, high-end hardware.
Ease of Setup
Clip-on design ensures instant, calibration-free integration with your smartphone.
Build Quality
Hand-assembled construction feels robust despite its compact, lightweight form factor.
Versatility
Seamlessly tracks PAR, PPFD, and color temperature for diverse lighting needs.
Portability
Ultra-compact profile makes it the ultimate tool for field measurements.
Device Compatibility
Universal clip design fits almost any modern smartphone camera array.
Key Specs
Material
Semi-transparent diffuser disc with rubber seal
Mounting Type
Clip-on
Accessory Type
Diffuser and Cosine Corrector
Compatible Device Brand
Apple, Samsung, Google, Xiaomi, OPPO
Connectivity Type
None (Optical)
Country of Origin
Switzerland
Water Resistant
false
Required Software
Photone or LM-3000 app
Compatibility
iOS (iPhone 5S and newer, iPad 2013 and newer), Select Android devices
Know before you buy
Still have a question?
Ask Metto anything about the Lightray Diffuser and Cosine Corrector before you decide.
