glasses) magnifier headLupentopf, lose Operating unit (magnifying glasses) Magnification12.5 xDioptre50 dptMaterialsmanual_system varioPLUS.pdf2.2 MBmanual_scale system varioPLUS.pdf461.3 KBProduct

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red reading linemagnifier headLupentopf, lose Operating unit (magnifying glasses) Magnification5 xDioptre20 dptMaterialsmanual_system varioPLUS.pdf2.2 MBmanual_scale system varioPLUS.pdf461.3 KBProduct

g inkl. einsetzbarer Mess-Skala, Teilung 0,5mm und 1/64 inchmagnifier headLupentopf inkl. LED-Batteriegriff Optical Properties Magnification10 xDioptre38 dptMaterialsmanual_system varioPLUS_944579_05-212

NotesLieferung inkl. einsetzbarer Mess-Skala,Teilung 0,5mm und 1/64 inchmagnifier headLupentopf, lose Optical Properties Magnification10 xDioptre38 dptMaterialsmanual_system varioPLUS_944579_05-212 MBmanual_scale

g inkl. einsetzbarer Mess-Skala, Teilung 0,5mm und 1/64 inchmagnifier headLupentopf inkl. LED-Batteriegriff Optical Properties Magnification10 xDioptre38 dptMaterialsmanual_system varioPLUS_944579_05-212

NotesLieferung inkl. einsetzbarer Mess-Skala,Teilung 0,5mm und 1/64 inchmagnifier headLupentopf, lose Optical Properties Magnification10 xDioptre38 dptMaterialsmanual_system varioPLUS_944579_05-212 MBmanual_scale

incl. usable measuring scale, graduation 0.5mm and 1/64 inchmagnifier headLupentopf, lose Operating unit (magnifying glasses) Magnification10 xDioptre38 dptMaterialsmanual_system varioPLUS.pdf2.2&nbsp

usable measuring scale, graduation 0.5mm and 1/64 inchmagnifier headLupentopf inkl. LED-Batteriegriff Operating unit (magnifying glasses) Magnification10 xDioptre38 dptMaterialsmanual_system varioPLUS.pdf2

reciprocal value of the focal length of a lens measured in metres: a power of +5dpt therefore has a reciprocal length of 1/5 metres or 20 centimetres. What is long-sightedness? In the case of long-sightedness [...] read we require a functioning retinal surface of around 2.5 degrees to the left and right of the fixation point, i.e. a visual angle of around 5 degrees in total. A reading angle is necessary as our eyes [...] 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