Product basic info
Primary colours: Black, Transparent
Physical properties
Number of pieces: 1
magnifier type: Head magnifier
Technical data
Dioptre: 3.2
Lens type: Bifocal
Magnification specifications:
- magnification:
- single magnifying glass: 1.8x
- double magnifying glass: 2.3x
- dioptre:
- lens (dioptre): 3.2
- bifocal lens (dioptre): 5.2
(EN)