Kellner and Huygenian Focusing Eyepieces, Electron Microscopy Sciences - 67990-F7, Huygenian Eyepiece, Å7
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Kellner and Huygenian Focusing Eyepieces, Electron Microscopy Sciences – 67990-F7, Huygenian Eyepiece, Å7

Original price was: $406.11.Current price is: $81.22.

SKU: 8616 Category:

Description

HUYGENIAN EYEPIECE, X7. Composed of two plano convex lenses, separated by an air space, the image plane is between the two lenses, the top lens is adjusted to bring the graticule into focus

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