Galilean Systems for Near-FocusThe Eschenbach Galilean systems for near and for distance and are available monocularly or binocularly. They are ideal for watching TV or a sporting event. Galilean systems are small, light-weight optical systems similar to telescopes. They are comprised of a positive objective lens and a negative ocular lens.
Adjust-A-Scope loupe features independent focusing. The lens can be adjusted like binoculars to vary the working distance. It is an adjustable and lightweight lens offering a 3" depth of field.
- Adjustable Focus
- Easy to Install
- Lightweight - Approximately 1 oz.
- Offers a 3" Depth of Field