red reading linemagnifier headLupentopf, lose Operating unit (magnifying glasses) Magnification4 xDioptre16 dptMaterialsmanual_system varioPLUS.pdf2.2 MBmanual_scale system varioPLUS.pdf461.3 KBProduct
5x show Product mobilux® LED, Ø60mm/ 3x show Product mobilux® LED, 75x50mm/ 4x show Product mobilux® LED, Ø60mm/ 4x show Product mobilux® LED, Ø58mm/ 5x show Product mobilux® LED, Ø58mm/ 6x [...] 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
the same time? No. For 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 [...] dioptre is equal to the reciprocal 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 [...] a visual acuity of 0.8 is required for reading travel timetables. Other minimum values include: 0.4 for watching television, 0.5 for reading the newspaper and 0.7 for reading a telephone directory. Is