BiLumix Manual Videos PART II (1.5x, 2.5x and 4.0x Loupes)

1. How to attach and Detach 1.5x Loupe?

 2. How to Calibrate 2.5x loupe?

 3. How to install 2.5x loupe onto BiLumix Headlamp?

 4. How to Calibrate 4.0x loupe?

 5. How to Install 4.0x Loupe? (SPECIAL Calibration Method)