More from Amazon.com : http://www.amazon.com/gp/product/B005OMU8EC?tag=purrfectcatdi-20 <br /> <br />AmScope EP10X23R WF10X Microscope Eyepiece with Reticle (23mm) <br /> <br />10X Magnification Power <br />Graduated in 1100 and 100 Graduations Overall <br />23mm Mounting Size in diameter <br />Wide Field of View <br />This item is brand new from the manufacturer As these slides are not second hand there is no risk of contamination from previous use
