Bifocal magnifiers with metal handles and frames
Both the frames and handles of these magnifiers are made of light metal. The surface is sprayed with red, orange or black enamel paint. They are widely used and offer durable service. The bifocal plastic lenses are light in weight. Five models of the magnifiers are provided as options.
|
Model
|
Specification
|
Aperture
|
Diopter
|
Magnification
|
|
6731
|
2×90
|
90mm
|
4 12
|
2X 4X
|
|
6732
|
2.5×84
|
84mm
|
6 16
|
2.5X 5X
|
|
6733
|
3×70
|
70mm
|
8 20
|
3X 6X
|
|
6734
|
3.5×60
|
60mm
|
10 24
|
3.5X 7X
|
|
6735
|
4×50
|
50mm
|
12 28
|
4X 8X
|
