mmObject cutting width (s)20 mmDistance Eye - Lens (e)40 mm Lens properties magnifiying glasses Lens SizeØ 35 mm Operating unit (magnifying glasses) Magnification10,0 xDioptre38 dptMaterialsmanual_mobiluxLED [...] 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

value of the focal length of a lens measured in metres: a power of +5 dpt therefore has a reciprocal length of 1/5 metres or 20 centimetres. What is long-sightedness? In the case of long-sightedness, [...] technical reasons, it cannot be used during the 4-hour charging period. What is a dioptre? A dioptre (dpt) is the unit of measurement of the optical power of a lens. In the case of spectacle lenses, negative