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Gemology — optical characterization of gemstones and minerals by interference figure analysis
Low-magnification specimen survey and orientation on Leica DM series microscopes
The DL phase ring produces a dark specimen outline on a light background
and optical sectioning workflows
clinical procedures
Olympus UPlanXAPO 20X Objective | 0.80 NA Extended Apochromat, Infinity Corrected OLYMPUS MAGNIFICATION CHANGERS OLYMPUS Gemology — optical characterization ofVersatile 20x extended apochromat objective for high quality imaging. 20x Magnification, NA 0. 80 Combines clear resolution with generous working distance for diverse samples. Extended Apochromat Optics Corrects chromatic and spherical aberrations for crisp, flat field images. Broad Wavelength Performance Designed for use in brightfield, fluorescence, and advanced imaging modes. Working Distance (0. 61 mm) Ample space between lens and sample for
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