US$ 60.95
Microscope slides
and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities
9-inch inner diameter with a 5
and packaged as a single optics kit
Optically Worked Double Concave Glass Lens, 75mm Diameter, 200mm Focal Length Face Size_38mm Microscope slidesPairs 75mm of aperture with a 200mm diverging focal length on a double concave glass lens, the gentler curvature softening divergence for clearer virtual image observation in refraction setups.