The dome magnifiers are made of a whole piece of perspex. The bottoms don't suffer friction. They can be put on a piece of paper directly and used not only as magnifiers but also as paperweights. Meanwhile they are presentable on the office desks.
|
Model
|
Specification
|
Aperture(mm)
|
Diopter
|
Magnification
|
Height(mm)
|
|
6910
|
3.5×95
|
95
|
10Dpt
|
3.5X
|
65
|
|
6911
|
4×80
|
80
|
12Dpt
|
4X
|
52
|
|
6912
|
4×65
|
65
|
12Dpt
|
4X
|
45
|
|
6913
|
4×50
|
50
|
12Dpt
|
4X
|
33
|
