Knight Optical offer a range of Stock N-BK7 Precision Grade Windows, for use with our Graticules. Graticules are manufactured by photolithographically printing a highly accurate pattern onto a glass ...
Pyser Optics offers a large range of eyepiece reticle/graticule patterns, most of which are available from stock, and in sizes to fit all microscopes and magnifiers. All reticles are manufactured ...
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