Optik regularly publishes an update of the software for the vario DIGITAL FHD Advanced. To receive the latest version, please register your vario DIGITAL FHD Advanced at "Product Registration". Technical [...] Electronic vision aids vario DIGITAL 16 FHD Advanced Art. Nr. 165916 Product BenefitsBest image qualityVery large field of view and true colour image reproductionPortable use thanks to the user-friendly [...] handicraft work and enables you to read the upper area of the reading material more easilyThe camera has a cover to protect against dust and dirtUsers can carry out software updates and resets themselvesUSB

from one another, whereby the mode of action has an angled progression. Which range of light waves is visible to the eye? The light which is visible to us has a wavelength in the range of 380 nanometres [...] instructions. If in doubt, please ask your optician for help. Can I charge the battery handle of the Vario Plus system and use it at the same time? No. For technical reasons, it cannot be used during the 4-hour [...] the 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