distance (aE)400 mmObject cutting width (s)49 mmDistance Eye - Lens (e)250 mm Lens properties magnifiying glasses Lens SizeØ60mm Operating unit (magnifying glasses) Magnification3,0xDioptre12 dptMaterial [...] Hand-held and reading magnifiers mobilux® LED, Ø60mm/ 3x Art. Nr. 15112 Your browser does not support the video tag.Product BenefitsSuitable for reading small print, e.g. in a telephone directory or [...] precisely 400 mm. The image can therefore be seen clearly with readers which have an addition of +2.5 dpt.Display and Optoform equipement available.Product Accessories"mobase" - Stand for mobilux® LED