(such as other fixtures) and act as a powerful magnifying glass, causing damage inside the fixture. In some cases , typically with plano-convex lenses or lens arrays, light striking the front glass at an angle can cause damage around the edge of the front glass outside the fixture. The ...
focuses and concentrates light just like a magnifying glass. Direct sunlight and other bright light sources can cause internal damage to the fixture, melting components or starting an internal fire within seconds. Damage can occur whether the fixture is powered on or off. To avoid problems: ∙...
They consisted of 23 disyllabic target words with the stress always being on the first syllable. Again, all target words were part of a series of three or four words (e.g. Tube (VːC) 'tube', Lupe (VːCː) 'magnifying glass', Suppe (VCː) 'soup'). The target words ...
Too much. I wandered off to look at the rows of miniature glass bottles, ancient Leica cameras, handcrafted joiner's tools and horn-handled magnifying glasses that filled the other stalls. But that collage piece was working on me: on the swell of overpriced Edwardiana, its jaunty angularity...
Elvis is a professional optical brand integrating design, production and marketing. Its main product types are telescope, night vision device, range finder, sight glass and magnifying glass. It has the world's high-end optical lenses and optical equipment, as well as optical technology. Has been...