in groups, including three extra-low dispersion (ed) elements and two anomalous dispersion elements. it features a minimum focusing distance of cm ( . ft), a nine-blade aperture diaphragm, uses pentax's high-definition (hd) multi-layer coating on its elements and features a weather-resistant design...
surfaces ltd.) benefiting from a unique facility, where temperatures remain constant year-round and vibration is practically non-existent, optical surfaces ltd is able to routinely produce and test demanding telescope spectrograph optics (aspheres, flats, lenses, mirrors and prisms) that stretch the...
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/ ) automatic analytical monitor and control of industrial process (class / ) sample mechanical transport means in or for automated analytical system (class / ) means for analyzing liquid or solid sample (class / ) means for analyzing gas sample (class / ) miscellaneous laboratory apparatus and elements...
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substrates in general h f / ) {g b / } (class g b/ ) re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers [n: (by varying the order of the information g b/ , g b/ )] {g b / } (class g b/ ) recording or reproducing by optical...
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