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- Nikon CF N Plan Achro 20X DL Phase Contrast Microscope Objective
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Nikon CF N Plan Achro 20X DL Phase Contrast Microscope Objective
(You save $208.00)
Product Description
Nikon CFN 20X DL Ph2 Phase Contrast Plan Achromatic Objective. The unique performance of Nikon CF (chromatic-aberration free) objectives is a result of Nikon's advanced technology in glass formulation and lens manufacture. Nikon has pioneered multilayer anti-reflection coatings, computer aided lens design and unique ED (extra-low dispersion) glasses with properties similar to fluorite materials. These advances have enabled the creation of new CFN objective lenses with higher numerical apertures, longer working distances and the highest possible resolution and contrast. The objective has a whopping NA (numerical aperture) of 0.50 and a WD (working distance) of 1.78mm. It is also spring loaded. It has a 160mm TL (tube length), RMS threads, and requires a coverslip thickness of 0.17mm. It is of the finest construction and in new pristine condition. All glass surfaces are free from fungus, dust, scratches, and element separations. Photographs are of one of the actual objectives offered for sale. The Nikon product number is 85042 with a list price of $1,040.00 when last sold by Nikon.
