large visual field.Product PropertiesThe Galilean systems Galilei 2.0 GF, Galilei 2.2x and Galilei 2.5x are mounted on the system carrier frame for use.The Galilei systems are installed using the adapter [...] power (not shown).16230 Frosted lens16233 Reading cap 3.0 dpt16234 Reading cap 4.0 dpt16235 Reading cap 5.0 dpt16236 Reading cap 6.0 dpt16238 Reading cap 8.0 dpt162310 Reading cap 10.0 dpt162312 Reading cap [...] use: they can simply be flipped up out of the way without being removed.The reading caps 3 dpt/ 4 dpt/ 5 dpt are also suitable for binocular use when used with the corresponding convergence adapter. Fitting

tilted for comfortable viewing angle4 to 12x magnification (hand-held at a distance of 5 cm approx. 1.9- to 4.5x)5 viewing modes: true colour, contrast-enhanced black/white, white/black, black/yellow and [...] icon)Display modestrue colours white/black black/white yellow/black black/yellow Dimensions Dimensions7.5 x 21 x 4 cmWeight230 g Extended features Reading guidelinereading line & reading lineLive image from [...] not been used for approx. 3 minutes to ensure low power consumption.Weight: 230 gBattery run time: 2.5 to 3 hours, charging time: approx. 2 hoursLithium ion rechargeable batteryMains voltage requirement

tilted for comfortable viewing angle4 to 12x magnification (hand-held at a distance of 5 cm approx. 1.9- to 4.5x)5 viewing modes: true colour, contrast-enhanced black/white, white/black, black/yellow and [...] icon)Display modestrue colours white/black black/white yellow/black black/yellow Dimensions Dimensions7.5 x 21 x 4 cmWeight230 g Extended features Reading guidelinereading line & reading lineLive image from [...] not been used for approx. 3 minutes to ensure low power consumption.Weight: 230 gBattery run time: 2.5 to 3 hours, charging time: approx. 2 hoursLithium ion rechargeable batteryMains voltage requirement

acuity Vision task Visual acuity 0,8 Reading travel timetables Visual acuity 0,7 Reading a telephone directory Visual acuity 0,5 Reading the newspaper Visual acuity 0,4 Watching television Visual acuity 0

argeable batteryEven more versatile to use thanks to battery operationOperating time 4.5 hoursCharging time: 3.5 hoursProduct AccessoriesAccessories:1659109 vario DIGITAL BagPadded carry bag (suitable [...] red/white violet/black black/violet black/orange orange/black Dimensions Dimensions50 x 43.5 x 16 cmWeight8.7 kg Extended features Reading guidelinereading line & reading lineDLS - Dynamic Line ScrollingJaBlue [...] properties Power supplypower supply (external)Power supply charging deviceIn: 100-240VAC 50/60Hz 1.5A max, Out: 19VDC 3.42AOperating temperature10 – 40 °CCharging portRund-HohlsteckerPort for data transmission

argeable batteryEven more versatile to use thanks to battery operationOperating time 4.5 hoursCharging time: 3.5 hoursProduct AccessoriesAccessories:1659109 vario DIGITAL BagPadded carry bag (suitable [...] red/white violet/black black/violet black/orange orange/black Dimensions Dimensions50 x 43.5 x 16 cmWeight8.7 kg Extended features Reading guidelinereading line & reading lineDLS - Dynamic Line ScrollingJaBlue [...] properties Power supplypower supply (external)Power supply charging deviceIn: 100-240VAC 50/60Hz 1.5A max, Out: 19VDC 3.42AOperating temperature10 – 40 °CCharging portRund-HohlsteckerPort for data transmission

125x)Generous depth of field for variable viewing distancesStand with ergonomic tilted angleNon-reflective 7" display,16:9Large field of view of 70 mmDynamic Line Scrolling (DLS), the line area on the display [...] sUSB port,  Type C port for transmitting images onto a computer (PC and Mac)Operating time: 3.5 hWeight: 460 gIncluded in delivery: HDMI cable, USB Type C cable, 4 GB SD card, universal charging device [...] mmDisplay TechnologyTFT-LCD, reflexionsfreiScreen size/diagonal in cm17.9 cmScreen size/diagonal in Inch7 "Screen resolution1024 x 600pxScreen lightnessyes (multistage)Lighting image tray/supportseveral LEDs

125x)Generous depth of field for variable viewing distancesStand with ergonomic tilted angleNon-reflective 7" display,16:9Large field of view of 70 mmDynamic Line Scrolling (DLS), the line area on the display [...] sUSB port,  Type C port for transmitting images onto a computer (PC and Mac)Operating time: 3.5 hWeight: 460 gIncluded in delivery: HDMI cable, USB Type C cable, 4 GB SD card, universal charging device [...] mmDisplay TechnologyTFT-LCD, reflexionsfreiScreen size/diagonal in cm17.9 cmScreen size/diagonal in Inch7 "Screen resolution1024 x 600pxScreen lightnessyes (multistage)Lighting image tray/supportseveral LEDs

chule-waldkirch.de Blindeninstitutsstiftung Beratungszentrum für Blinde u. Sehbehinderte-Haus 7 Ohmstr. 7 97076 Würzburg Phone: +49 931 20920 Fax: +49 931 2092251 Email: information@blindeninstitut.de [...] in.de Internet: www.berlin-mitte.de Blinder- und Sehbehinderten- verband Thüringen e.V. DBSV Markt 5/6 07545 Gera Phone: +49 365 22653531 Email: bsvt.e.v.@t-online.de Internet: www.bsv-thueringen.de Blinden-& [...] fokus-ev.de Albinismus Selbsthilfegruppe e.V. - NOAH Grünerweg 3a 51503 Rösrath Phone: +49 700 252464768-7 Internet: www.albinismus.de Johanniterschule/Rheinische Schule für Sehbehinderte Johanniterstr. 103-105

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 case of long-sightedness [...] 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 the ability of the eye to read solely dependent [...] 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