Watchmakers eyeglasses, extra large lenses, set of four

SUMMARY Set of four eyeglasses. Brightly colour-coded for easy identification. Extra large, 30mm diameter lenses (most eyeglasses are 20mm) Extra powerful, 5X, 10X, 15X and 20X (most eyeglasses are between 2X and 10X) DETAIL Red: marked “5X” magnification By our measurements, the magnification is closer to 5.5X (working distance 47mm) Green: marked “10X” magnification By our measurements. the magnification is closer to 8X (working distance 30mm) Grey: marked”15X” magnification By our measurements the magnification is closer to 10X (working distance 26mm) Blue: marked 20X magnification By our measurements: the magnification is closer to 17X (working distance 15mm) Note, when you buy from us you know what you are getting, the markings on these inexpensive magnifiers are always ‘approximate’. FURTHER INFORMATION To see the relationship between magnification and working distance, click here. To read all about magnifiers and magnification, click here.