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Zeiss Primostar 3 Microscopes The Zeiss Primostar 3 microscopes were designed for teachers, students, and clinical labs. This video shows some of the features of the Zeiss Primostar 3 microscopes.   Binocular Fixed Köhler iPlan Achromat Microscope   The Zeiss Primostar 3 binocular fixed Köhler microscope has the following features: iPlan Achromat Objectives 4x, 10x, 40x, (op …

USP 751 Test Microscope: Metal Particles in Ophthalmic Ointments The USP 751 test was designed to limit to a level considered to be unobjectionable, the number and size of discrete metal particles that may occur in ophthalmic ointments. USP 751 Test Procedure The USP 751 test procedure requires extruding the contents of 10 tubes individually into separate, clear, flat-bottom 60mm petri dishes that …

Spirogyra Algae Under the Microscope Spirogyra is a green algae commonly found in freshwater habitats. There are more than 400 species of Spirogyra in the world. Spirogyra measures 10-100µm in width and may be several centimeters in length. Thank you to Kiran for providing these images captured under the microscope at 100x. Photo credit: Kiran     Photo credit: Kiran     …

Different Types of Microscopes Explained The microscopes described below each create their image in a different way. The most commonly used microscope is the light microscope, which uses the light we can see to pass through a sample and produce an image. 5 Microscopes Create Images Using Different Techniques: Light Microscopes Confocal Microscopes Scanning Electron Microscopes (SEM) Helium Ion Mi …