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National Optical, 740-160ASC, DIN 40xR Super High Contrast Objective Lens, 0.65 N.A., Model 215-RLED Only
The National 740-160ASC 40xR Retractable Super High Contrast Objective Lens is for use with the 160 and 165 microscope series. It features a 0.65 numerical aperture and 40x magnification. A retractable objective lens provides additional protection against lens or slide damage. The lens also provides a high amount of contrast for greater separation and definition while viewing specimens.
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