Specialized Counting Chamber Measuring Reticles

The Weibel microscope reticle is used to determine surface-to-volume ratios and average thickness of layers in stereology - specifically relating to the morphology of cells. Learn more about Weibel microscope reticles here. Available in diameters of 16mm...

The circle area of the porton reticle increase the root 2 progression as do the dividings on the right hand side of the rectangle. These dividings are numbered for convenience. The specimen is racked on the mechanical stage of the...

Patterson Globe counting chamber reticle for measuring and counting sand grains, soil particulates, plant seeds, fertilizers, abrasives, liquid droplets, pigments, pulverized coal, silica fibers and fine dust. Learn more about the...

In order to meet USP 788 standards when using this reticle you will need to determine the diameter reticle required by your microscope (if you are unsure of how to measure this please call us, we will be happy to help you figure it out), and the...