automatically switches off after 30 minutes.Hard foam case included.Technical data Lens properties Lens Size100 x 75 mm Optical Properties Magnification3 xDioptre12 dptMaterialsmanual_visolux_944574_05-211.3
t light (Order No. 2090) only suitable for use with item 2032.Technical data Lens properties Lens Size100 x 50 mm Miscellaneous Properties NotesBest. Nr. Etui: 20211 Optical Properties Magnification2.6
Despite their differences in appearance, all these test symbols have one thing in common - their size is always five times the thickness of the line, and in the case of the Landolt ring, the gap width [...] 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.
for wearing around the neckTechnical data Lens properties Lens geometryasphericLens materialPXM®Lens SizeØ 35 mm Light and lighting Light source typeLEDColour temperature6000 K Material and appearance Ma
protect the lens. The pouch can also be used for cleaning the lens.Technical data Lens properties Lens Size100 x 75 mm Optical Properties Magnification2.8 xDioptre7 dptMaterialsmanual_scribolux_944650_05-21859
pocket.Leather case protects the lens from being scratched.Available in many different colours and sizes.Product PropertiesFolding magnifier in timeless, classic design.Biconvex PXM® lightweight lens, duplex
made of particularly lightweight cr 39-plastic for a distortion-free image.Available in two frame sizes or as clip-ons, including case.Supplied in hard case.Clip-ons supplied in soft case with belt clip
for wearing around the neckTechnical data Lens properties Lens geometryasphericLens materialPXM®Lens SizeØ 35 mm Light and lighting Light source typeLEDColour temperature6000 K Material and appearance Ma
