reading simple as camera is centrally positioned under the display.Extra writing position for writing or working under the display.Easy to use due to large operating buttons which are easy to see and tactile [...] white/black, black/yellow, yellow/black.Generous depth of focus for variable viewing distances.Incremental magnification from 1.7 to 12x, depending on use.Freeze-frame and image capture function: images [...] brightness can be dimmed in the case of a high level of glare sensitivity.Automatic shut-off if the device has not been used for approx. 3 minutes to ensure low power consumption.Dimensions: 174 mm x 90.3
PropertiesHigh-contrast and true-to-detail, high resolution digital camera with a specially calculated lensGenerous depth of field for variable viewing distancesHigh magnification range from 2 x to 22 x [...] white/red red/white violet/black black/violet DimensionsDimensions20 x 29 x 4 cmWeight1050 g Extended features Reading guidelinereading line & reading lineDLS - Dynamic Line ScrollingJaLive image from external [...] facility on inserted SD card (defeatable)USB type-C port for image feed to the computer (PC and Mac)HDMI port for simultaneous display of the live image on an external display (TV, monitor or projector)Long
PropertiesHigh-contrast and true-to-detail, high resolution digital camera with a specially calculated lensGenerous depth of field for variable viewing distancesHigh magnification range from 2 x to 22 x [...] white/red red/white violet/black black/violet DimensionsDimensions20 x 29 x 4 cmWeight1050 g Extended features Reading guidelinereading line & reading lineDLS - Dynamic Line ScrollingJaLive image from external [...] facility on inserted SD card (defeatable)USB type-C port for image feed to the computer (PC and Mac)HDMI port for simultaneous display of the live image on an external display (TV, monitor or projector)Long
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 dioptre values correct [...] long-sightedness. What is a vision defect? An eye is described as having a vision defect when it has less than normal vision. The term is very imprecise, as a vision defect can have a wide variety of causes [...] loses some of its image quality. What is the difference between Fresnel lenses and diffractive lenses? The Fresnel lens refracts light. Diffractive lenses defract light.
