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 the field of view. With only two standard batteries, the necessary voltage is stepped up to the 3.6 volts required. The step-up converter used here guarantees bright, even illumination over a long period
mmDisplay TechnologyTFT-LCD, reflexionsfreiScreen size/diagonal in cm29.5 cmScreen size/diagonal in Inch11.6 "Screen resolution1920 x 1800pxScreen lightnessyes (multistage)Lighting image tray/supportseveral LEDs [...] Time (Battery)/Battery run time2.5 hCharging time4 hPower supply charging deviceIn: 100-240VAC 50/60Hz 0.4A max, Out: 5VDC 2.5AOperating temperature10 – 40 °CCharging portUSB-CPort for data transmission to [...] Typ AVideo Image InputHDMI Typ A Warranty Electronic Aids Warranty (Product)2 yearsWarranty (Battery)6 monthsAccessories Accessories Art. Nr. 1655109 visolux DIGITAL Bag show Accessory Accessories Art
