3 Eye Loupe 14X Double Plastic Watchmaker Jeweler Tools This is a new set of three 14X double eye loupes These eye loupes can be unscrewed into two separate 7X loupes The lenses used in these magnifiers provide durability for a long life When together, the 14X loupes have a focal distance of 3/4" (19 mm) When separated, the 7X loupes each have a focal distance of 1 1/2" (38 mm)