The Discovery Crafts DHD 20 is a head magnifier useful for precision work. It also comes in handy for assessing surface defects and reading small print or drawings. The magnifier provides hands-free, powerful magnification and has built-in lighting. Its functions will be useful for the jeweler, watchmaker, model maker, service center technician and many other professionals.

The magnifier uses three separate lenses that can be combined with each other: two rectangular lenses and a small circular lens. The small lens is for the right eye only. Four magnifications are available, the highest magnification is only possible for monocular observation. Each lens is made of high transparency polymer optical glass.

The magnifier can be attached to the head with an adjustable headband. Batteries are required to operate the lighting.

- Magnifier with combinable lenses
- The lens of the right eye can be folded to the side
- 4 zoom levels; optics made of polymer optical glass
- Built-in, battery-operated LEDs
- Adjustable headband