temperature6500 K Material and appearance MaterialABSColourSchwarz Optical Properties Magnification3,0x (Handelsvergrößerung)Dioptre8 dptMaterialsmanual_easyPOCKET_944243_ 06-21758.9 KBProduct overview
acuity of 0.1 is sufficient for a person to be able to orientate themselves outdoors. However, a visual acuity of 0.8 is required for reading travel timetables. Other minimum values include: 0.4 for watching [...] watching television, 0.5 for reading the newspaper and 0.7 for reading a telephone directory. Is the ability of the eye to read solely dependent on visual acuity? No. In order to be able to read we require
of arc, then their visual acuity will be 1. If the person being tested has a visual acuity of only 0.5, then the test symbol displayed must be doubled in size in order for it to be recognised.