The Omano OM136C monocular compound microscope is one of our best-selling school microscopes and more than merits our Best Rated award. With better design and construction than the OM118 series, it is a microscope that will last a lifetime and accordingly, carries an Omano lifetime limited warranty. Features include professional halogen illumination, three fully coated achromatic objective lenses, Abbe 1.25 N.A condenser with iris diaphragm. Accessory pack includes Usborne’s book, “The World of the Microscope”, and 5 prepared slides. Recommended for K-12. Omano® is a registered trademark of The Microscope Store, LLC. All rights reserved.