Gossen-Probe-Test-Leads-Test-lead-adapter-634417-Gossen-F516G-The-Gossen-F516G-test-lead-adapter-serves-as-a-replacement-part-for-luminance-measurement-devices-Manufactured-by-Gossen-Photo-it-enhances-the-functionality-of-the-MAVOLUX-luxmeter-Ideal-for-precise-light-measurement-this-accessory-is-designed-to-maintain-accuracy-in-luminance-readings-Gossen-F516G-Photo-Test-Lead-Adapter-Luminance-15-Measure-Angle