SUMMARY

Set of four colour-coded eyeglasses (four strengths) in an easy-access multi-compartment box.

If you use different magnifications for different jobs (or if you don't know which magnification you need!) this is a good choice.

DETAIL

Green: 3X magnification
(working distance 89mm, 3.5 inches)

Red: 5X magnification
(working distance 50mm, 2 inches)

Blue: 7.5X magnification
(working distance 34mm, 1.3 inches)

White: 10X magnification
(working distance 24mm, 1 inch)

FURTHER INFORMATION

To see the relationship between magnification and working distance, .

To read all about magnifiers and magnification, .