How to use a loupe and check for common malfunctions before buying one. Using a loupe incorrectly may put you in a weaker bargaining position when negotiating the price. This is because in the market incorrect use will identify you as someone out of the loop (sorry).
For those interested in which loupe might be right for them ~ I have another video on that topic.
https://youtu.be/E0eZuYx-dW8
To explore more or contact me directly, visit: www.gemshepherd.com