Miller Disc Reticle Corner KR-802

Miller Disc Reticle Corner KR-802

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Miller Disc Reticle Corner KR-802
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Miller Disc Reticle - Square in Corner or Corner

Total ruled area: 7 X 7mm For counting components of greatly varying densities in a specimen. The frequency of the sparsely distributed particles in the major square is related in the proportion 1:10 to that of the denser populations counted only in the smaller square.

A squared reticle can be used for counting. Here the basic principle is that a small area of the specimen is analyzed in order to obtain information about the total area. This removes much irksome work and is preferable in certain instances to analyzing the whole area. For example when it is desired to compare the proportion of large to small particles in a specimen, by using the Miller Disc, the smaller particles may be counted only in the small square, the result being multiplied by ten for comparison with the number of larger particles in the large square.

Part Number KR-802 (Corner) or KR-802A (Center)


Shipping & Returns


We provide complimentary UPS ground shipping for online orders exceeding $99 to all destinations within the Continental U.S.A. Most items are drop-shipped from one of our suppliers. Due to the highly configurable nature of microscopes and our vast product portfolio, lead times can vary. Should you need expedited shipping, kindly reach out to us for a personalized quote and to ensure your availability.

We welcome international orders on a case-by-case basis. Buyers are accountable for any international duties, taxes, brokerage, or import fees that may be incurred. We encourage customers to reach out to us at prior to purchase, to ensure the microscope will meet their needs and expectations.


For most items, we accept returns within 14 days of purchase, with the buyer responsible for covering all shipping charges. Please refer to our Full Returns Policy for further details. (Note: Many returns stem from purchasing the wrong product for a specific application. To prevent this, we recommend consulting a Microscope Central expert before making your purchase.

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