30° vs 60° Red Light Therapy Panel: Which Lens Angle Is Better?

When choosing a red light therapy panel, many buyers focus on wavelength, irradiance, and LED quantity. However, one technical detail that also plays an important role is the lens angle. A common question from distributors, clinics, and end users is: Is a 30-degree lens better, or is a 60-degree lens better? The answer depends on…